LHR - Airport Operations Planning Domain Model EP

Data Element Name

Data Element Description

Data Element Type

Actual Inblock Time

Corresponds to the actual date and time when the parking brakes have been engaged at the parking position.

Acronym: AIBT

Timestamp

Actual Landing Time

Corresponds to the actual date and time when the aircraft has landed (touch down)

Acronym: ALDT

Timestamp

Airborne Holding Duration

Information about the number of minutes that the aircraft was held airborne to avoid congestion at airport.

Number

Aircraft Movement Identifier

This identifier uniquely identifies the movement of an aircraft at Heathrow

String

on a specific day of operation. This is also known as Flight ID.

Arrival Passenger Count

Information about the total number of passengers in arriving flight.

Number

Baggage Reclaim

Indicates the specific baggage reclaim conveyor that the baggage is loaded.

String

Estimated Inblock Time

Corresponds to the estimated time that an aircraft will arrive in-block.

Acronym: EIBT

Timestamp

Estimated Landing Time

Corresponds the estimated time that an aircraft will touchdown on the runway.
(Equivalent to ATC ETA – Estimated
Time of Arrival = landing)

Acronym: ELDT

Timestamp

First Bag Time

Indicates the time the first bag that was
loaded in the baggage reclaim conveyor.

Timestamp

Is Inblock

Indicates whether the arriving aircraft is in-block or not.

In-block: the arrival of the aircraft at its first parking position with its parking brakes engaged

boolean

Is Landed

Indicates whether the arriving aircraft has landed or not.

Landing: ATM phase used in ConOps scenario, from the beginning of the landing flare until aircraft exits the landing runway, comes to a stop on the runway, or when power is applied for take off in the case of a touch-and-go landing

boolean

Is Team Landing

Indicates if this arriving aircraft is a part of team landing

boolean

Landing Time

Derived Column - could be either Actual or Estimated Landing Time

Timestamp

Last Bag Time

Indicates the time the last bag that was loaded in the baggage reclaim conveyor.

Timestamp

Minimum Turnaround Time

The minimum turn-round time agreed with an AO/GH (aircraft operator/ground handler) for a specified flight or aircraft type.

Acronym: MTTT

Number

Scheduled Inblock Time

Corresponds to the time that an aircraft is scheduled to arrive at its first parking position.

Acronym: SIBT

Timestamp

Data Element Name

Data Element Description

Data Element Type

Aircraft Movement Identifier

This identifier uniquely identifies the movement of an aircraft at Heathrow on a specific day of operation. This is also known as Flight ID.

String

Departure Airport

IATA Departure Airport code.

String

IBT Median Hour

The hour value of In Block Time for an

Number

arrival

Origin Region

The origin region of arriving aircraft

String

PAD Lower Percentile

Percentage value of lower percentile, e.g. 5% percentile, for Predicted Airborne Delay (PAD).

Number

PAD Maximum

Maximum value for Predicted Airborne Delay (PAD).

String

PAD Median

Median value for Predicted Airborne Delay (PAD).

String

PAD Minimum

Minimum value for Predicted Airborne Delay (PAD).

String

PAD Upper Percentile

Percentage value of upper percentile, e.g. 95% percentile, for Predicted Airborne Delay (PAD).

Number

PIBT Earliest

The earliest Predicted In-Block Time (PIBT).

Timestamp

PIBT Latest

The latest Predicted In-Block Time (PIBT).

Timestamp

PIBT Lower Percentile

Percentage value of lower percentile, e.g. 5% percentile, for Predicted In-Block Time (PIBT).

Number

PIBT Median

The median value for Predicted In-Block Time (PIBT).

Timestamp

PIBT Upper Percentile

Percentage value of upper percentile, e.g. 95% percentile, for Predicted In-Block Time (PIBT).

Number

SIBT

Scheduled In-Block Time.

Corresponds to the time that an aircraft is scheduled to arrive at its first parking position.

Timestamp

SIBT Hour Range

Describes the hour value of the SIBT

Number

Stack

The area (common fix) where aircrafts are kept on hold (in the air) during preparation of landing with vertical separation.
Only 4 values allowed:

• BIG - Biggin
• BNN - Bovingdon
• LAM - Lambourne
• OCK - Ockham

String

Taxi In Time

Estimated or actual taxi time from landing to gate.
Acronym: EXIT.

Number

Data Element Name

Data Element Description

Data Element Type

IATA Aircraft Type

Aircraft Type code as identified by
IATA

String

ICAO Aircraft Type

Aircraft Type code as identified by
ICAO

String

Minimum Stand Code

Information about the type of stand (stand code) required for an aircraft type.

String

Wake Vortex Code

Category of wake turbulence which is generated by the passage of an aircraft through the air.

Examples: Light (L), Medium (M),
Heavy (H), Super (J)

String

Data Element Name

Data Element Description

Data Element Type

Description

Information about the name of aircraft component

String

Identifier

This identifier uniquely identifies an aircraft component

String

Data Element Name

Data Element Description

Data Element Type

Aircraft Movement Identifier

This identifier uniquely identifies the movement of an aircraft at Heathrow on a specific day of operation. This is also known as Flight ID.

String

Deicing Mode

Will hold one of two values: Stand or
Pad

Stand indicates that de-icing tasks will be completed on stand
Pad indicates that de-icing tasks will be completed at a remote pad, either JEDI
(for BA) or VADER

String

Deicing Provider Identifier

The identifier of an aircraft deicing provider at the airport.

String

Deicing Request Status

Indicates the status of the deicing request

State

Deicing Request Time

Information about the date and time the deicing request that was placed by deicing requester.

Timestamp

Flight Number

A unique number for a flight, typically a combination of airline code and a number

String

Identifier

This identifier uniquely identifies a deicing request

String

Offblock Time

The date and time by when the aircraft will be off block for Pad deicing.

During Pad De-icing, the aircraft is off block first and then taxies to a de-icing area (remote). Taxi times vary for such de-icing requests.

Timestamp

Data Element Name

Data Element Description

Data Element Type

Aircraft Component Identifier

This identifier uniquely identifies an aircraft component

String

Deicing Request Identifier

This identifier uniquely identifies the Deicing Request

String

Data Element Name

Data Element Description

Data Element Type

ACZT

Actual Commencement of De-icing Time

Timestamp

AEZT

Actual End of De-icing Time

Timestamp

Aircraft Deicing Request Identifier

The identifier of deicing request for which this deicing activity is being done.

String

Aircraft Movement Identifier

This identifier uniquely identifies the movement of an aircraft at Heathrow on a specific day of operation. This is also known as Flight ID.

String

ARZT

Actual Ready to De-ice Time

Timestamp

Deicing Status

The status of aircraft deicing work.

Deicing Status

ECZT

Estimated Commencement of De-icing Time

Timestamp

EEZT

Estimated End of De-icing Time

Timestamp

Entry Date Time

The date and time when this entry was inserted or updated

Timestamp

Entry Type

Indicates the type of work update - Insert or Update

String

ERZT

Estimated Ready to De-ice Time

Timestamp

Identifier

This identifier uniquely identifies the deicing work

String

Data Element Name

Data Element Description

Data Element Type

Aircraft Movement Identifier

This identifier uniquely identifies the movement of an aircraft at Heathrow on a specific day of operation. This is also known as Flight ID.

String

Delay Code

This code uniquely identifies a specific departure delay

String

Delay Description

The description of a specific departure delay code

String

Delay Duration

The duration of departure delay in minutes

Number

Message Timestamp

The date and time of the delay message

Timestamp

Scheduled Date

The scheduled date of aircraft movement

Date

Data Element Name

Data Element Description

Data Element Type

Actual Offblock Time

Corresponds to the time the aircraft pushes back / vacates the parking position.

Acronym: AOBT

Timestamp

Actual Ready Time

The time when the aircraft is ready for start up/push back or taxi immediately after clearance delivery, meeting the requirements set by the TOBT definition.

Timestamp

Actual Startup Approval Time

Corresponds to the time that an aircraft receives its start up approval i.e. the approval time to move from its parking position.

Acronym: ASAT

Timestamp

Actual Startup Request Time

Corresponds to the time when the pilot requests start up clearance.

Acronym: ASRT

Timestamp

Actual Takeoff Time

The time that an aircraft takes off from the runway (Equivalent to ATC ATD–Actual Time of Departure,
ACARS = OFF)

Acronym: ATOT

Timestamp

Aircraft Movement Identifier

This identifier uniquely identifies the movement of an aircraft at Heathrow on a specific day of operation. This is

String

also known as Flight ID.

Calculated Offblock Time

CTOT (Calculated Take-Off Time) minus taxi time.

Acronym: COBT

Timestamp

Calculated Takeoff Time

An Air Traffic Flow & Capacity
Management (ATFCM) departure slot, forming part of an Air Traffic Control (ATC) clearance, which is issued to a
flight affected by Network Management regulations.

Acronym: CTOT

Timestamp

EOBT Update Time

Indicates the time the EOBT was updated in the system.

Timestamp

Estimated Departure Time

The estimated time at which an aircraft will become airborne.

Acronym: ETD - Estimated Time of Departure

Timestamp

Estimated Offblock Time

Corresponds to the estimated time at which the aircraft will commence movement associated with departure.

Acronym: EOBT

Timestamp

Estimated Takeoff Time

Forecast of time when aircraft will become airborne taking into account the EOBT plus EXOT.

Acronym: ETOT

Timestamp

Is Airborne

Indicates whether the aircraft is on the air or not.

boolean

Is Offblock

Indicates whether the aircraft has departed from its parking stand or not.

boolean

Is Ready To Go Counter

Indicates whether the departing aircraft is ready to go with opening counter for the passengers

boolean

Scheduled Offblock Time

Corresponds to the time that an aircraft is scheduled to depart from its parking position.

Acronym: SOBT

Timestamp

SID

SID - Standard Instrument Departure

1. A procedure by which a departure route is designated following the Instrument Flight Rules (IFR).
   
   
   
2. A designated instrument flight rule (IFR) departure route linking the aerodrome or a specified runway of the aerodrome with a specified significant point, normally on a designated ATS route, at which the en-route phase of a flight commences.

String

Startup Delay

Indicates any delay (in minutes) in starting up the aircraft.

Number

Target Offblock Source Display

The name of source for TOBT

String

Target Offblock Time

Corresponds to the timestamp entered by the despatcher of the departing aircraft to state the time when the aircraft will be ready for departure.

Timestamp

Acronym: TOBT

Target Offblock Time Display

The name of source for TOBT

Timestamp

Target Offblock Time Source

A code that indicates the source of
TOBT

String

Target Startup Approval Time

Corresponds to the time provided by
ATC taking into account TOBT,
CTOT and/or the traffic situation that an aircraft can expect to receive start up / push back approval.

Acronym: TSAT

Timestamp

Target Takeoff Time

Corresponds to the Target Take Off Time taking into account the Target off block time plus the taxi time.

Acronym: TTOT

Timestamp

Data Element Name

Data Element Description

Data Element Type

Aircraft Movement Identifier

This identifier uniquely identifies the movement of an aircraft at Heathrow on a specific day of operation. This is also known as Flight ID.

String

Destination Aerodrome

Destination Airport code as identified by IATA.

String

PGD Lower Percentile

Percentage value of lower percentile, e.g. 5% percentile, for Predicted Ground Delay (PGD).

Number

PGD Maximum

Maximum value for Predicted Ground Delay (PGD).

Number

PGD Median

Median value for Predicted Ground Delay (PGD).

Number

PGD Minimum

Minimum value for Predicted Ground Delay (PGD).

Number

PGD Upper Percentile

Percentage value of upper percentile, e.g. 95% percentile, for Predicted Runway Hold Delay (PRHD).

Number

POBT Earliest

The earliest Predicted Off-Block Time (POBT).

Timestamp

POBT Latest

The latest Predicted Off-Block Time (POBT).

Timestamp

POBT Lower Percentile

Percentage value of lower percentile, e.g. 5% percentile, for Predicted Off-Block Time (POBT).

Number

POBT Median

The median value for Predicted Off-Block Time (POBT).

Timestamp

POBT Upper Percentile

Percentage value of upper percentile, e.g. 95% percentile, for Predicted Off-Block Time (POBT).

Number

PRHD Lower Percentile

Percentage value of lower percentile, e.g. 5% percentile, for Predicted Off-Block Time (POBT).

Number

PRHD Maximum

Maximum value for Predicted Runway Hold Delay (PRHD).

Number

PRHD Median

Median value for Predicted Runway Hold Delay (PRHD).

Number

PRHD Minimum

Minimum value for Predicted Runway Hold Delay (PRHD).

Number

PRHD Upper Percentile

Percentage value of upper percentile, e.g. 95% percentile, for Predicted Runway Hold Delay (PRHD).

Number

SID

SID - Standard Instrument Departure

String

1. A procedure by which a departure route is designated following the Instrument Flight Rules (IFR).
   
   
   
2. A designated instrument flight rule (IFR) departure route linking the aerodrome or a specified runway of the aerodrome with a specified significant point, normally on a designated ATS route, at which the en-route phase of a flight commences.

SOBT

Scheduled Off-Block Time.

Corresponds to the time that an aircraft is scheduled to depart from its parking position.

Timestamp

Taxi Out Time

Taxi Out Time.

Number

Data Element Name

Data Element Description

Data Element Type

Aircraft Flow Rate

The value of Aircraft Flow Rate as regulated by Air Traffic Control

int

From Date

Effective date for Aircraft Flow Rate

Date

Identifier

This identifier uniquely identifies Aircraft Flow Rate.

int

To Date

End date for Aircraft Flow Rate

Date

Data Element Name

Data Element Description

Data Element Type

Actual Off

Date and time when the aircraft actually moved off the origin facility

Timestamp

Actual On

Date and time when the aircraft actually reached the destination facility.

Timestamp

Aircraft Movement Identifier

This identifier uniquely identifies the movement of an aircraft at Heathrow on a specific day of operation. This is also known as Flight ID.

String

Aircraft Registration

Aircraft registration mark. It is the unique alphanumeric string that identifies a civil aircraft.

String

AODB Unique ID

An Unique identifier that helps us to identify the resource utilisation and ground movements associated with an aircraft movement.

String

Data Operation Type

Amend or Insert Ground Movement record - given by source

String

From Facility Identifier

The identifier of facility from which the aircraft is being moved.

String

Ground Movement Unique ID

The identifier of Ground Movement message

String

IATA Airline Code

The airline code as identified by IATA

String

ICAO Airline Code

The airline code as identified by ICAO

String

Method

Ground movement method

String

Movement Status

The status of ground movement

String

Planned Off

Date and time when the aircraft will be off the origin facility

Timestamp

Planned On

Date and time when the aircraft will be

Timestamp

at the destination facility.

Previous Actual Off

The actual date on which the aircraft moved out of origin facility previously

Timestamp

To Facility Identifier

The identifier of facility to which the aircraft is being moved.

String

Data Element Name

Data Element Description

Data Element Type

Activate

Indicates if the alert is to be activated in the system.

boolean

Code

This code uniquely identifies an aircraft movement alert

String

Description

The description of an aircraft movement alert

String

Enable

Indicates if the alert is to be enabled for use in the system.

boolean

Priority

The priority that needs to be given to the alert

Number

Severity

The severity of an aircraft movement alert

Number

Data Element Name

Data Element Description

Data Element Type

Action

The type of action requested by
IDAHO

String

Aircraft Movement Identifier

This identifier uniquely identifies the movement of an aircraft at Heathrow on a specific day of operation. This is also known as Flight ID.

String

Request Timestamp

Information about the date and time the request was placed by IDAHO.

Timestamp

Data Element Name

Data Element Description

Data Element Type

Aircraft Movement Identifier

This identifier uniquely identifies the movement of an aircraft at Heathrow on a specific day of operation. This is also known as Flight ID.

String

Alert Code

Identifies the code of an aircraft movement alert

String

IATA Airline Code

The airline code as identified by IATA

String

IATA Service Type

Information about the type of air taxi service that this aircraft movement is associated with

String

Identifier

String

Scheduled Date Time

This identifier uniquely identifies the movement of an aircraft at Heathrow on a specific day of operation. This is also known as Flight ID.

Timestamp

Severity

The severity of an aircraft movement alert

Number

Terminal Identifier

The identifier of terminal building

String

Data Element Name

Data Element Description

Data Element Type

Aircraft Category

Category of wake turbulence which is

String

generated by the passage of an aircraft through the air. This is also known as Wake Vortex Code.

Examples: Light (L), Medium (M),
Heavy (H), Super (J)

Aircraft IATA ID

IATA Flight Number. Used for flight correlation.

String

Aircraft Movement Identifier

This identifier uniquely identifies the movement of an aircraft at Heathrow on a specific day of operation. This is also known as Flight ID.

String

Aircraft Type

A group of alphanumeric characters used to identify, in an abbreviated form, a type of aircraft.

String

Call Sign

Unique code assigned to an aircraft in order to identify a flight/aircraft uniquely for communication by the ATC community.

String

Confidence Interval Maximum

Describes the upper percentile value corresponding to PIBT/POBT-earliest

Number

Confidence Interval Minimum

Describes the lower percentile value corresponding to PIBT/POBT-earliest

Number

Confidence Range

Describes the lower and upper percentile values corresponding to the extremes of prediction (lower and upper).

String

Flight Number

A unique number for a flight, typically a combination of airline code and a number.

String

Flight Picker

A system calculated value based on plan type - used for prioritizing the flight information

int

IATA Airline Code

The airline code as identified by IATA

String

Linking Flight

The flight number of preceding leg, i.e.
arriving flight.

String

Movement Type

Indicates the type of aircraft movement - Inbound or Outbound

Movement Type

Night Jet Type

Describes the kind of Night Jet movement (values include Scheduled NJMs, Early running flights, Late running flights).

String

Predicted Cancellation

Indicates any possibility of cancellation of this movement

String

Predicted Night Movement

Indicates any possibility of being a night movement

String

Prediction Plan Identifier

This identifier uniquely identifies a plan from DCB.

String

Punctuality Lower Percentile

Percentage value of lower percentile, e.g. 5%

Number

Punctuality Maximum

Maximum value for punctuality

Number

Punctuality Median

Median value for punctuality

Number

Punctuality Minimum

Minimum value for punctuality

Number

Punctuality Upper Percentile

Percentage value of upper percentile, e.g. 95%

Number

Runway Identifier

The runway allocated to this aircraft movement.

String

Scheduled Actual Time Difference

The time difference between the scheduled In/Off block time and the actual In/Off block time

Number

Scheduled Date

The scheduled date of aircraft movement.

Date

Scheduled Movement Hour

The operating hour of aircraft

Number

movement based on its scheduled time.

Simulation Result

Indicates the simulation result, e.g.
ACCOMMODATED

String

Stand Code

Information about the type of stand (stand code) required for an aircraft type.

String

Terminal Identifier

Terminal information as given in the ACL schedule.

String

Data Element Name

Data Element Description

Data Element Type

Identifier

This identifier uniquely identifies a plan from DCB.

String

Last Updated On

The date and time when the plan was updated last time

Timestamp

Plan Date

Day of results of this plan.

Date

Plan Status

The status of prediction plan provided by DCB

Prediction Plan Status

Plan Type

The type of plan provided by DCB.

Prediction Plan Type

Received Time

The date and time when the prediction plan was received from DCB

Timestamp

Data Element Name

Data Element Description

Data Element Type

Aircraft Movement Identifier

This identifier uniquely identifies the movement of an aircraft at Heathrow on a specific day of operation. This is also known as Flight ID.

String

Contractor Identifier

Rig Provider - most cases it's Deicing Provider Identifier.

String

Rig Description

Descriptive text sufficient to identify the equipment to a report user.

String

Rig Identifier

Information that identifies the equipment.

String

Data Element Name

Data Element Description

Data Element Type

Aircraft Movement Identifier

This identifier uniquely identifies the movement of an aircraft at Heathrow on a specific day of operation. This is also known as Flight ID.

String

Aircraft Registration

Aircraft registration mark. It is the unique alphanumeric string that identifies a civil aircraft.

String

Airline Code

IATA or ICAO airline code.

String

Allocation Timestamp

Date and time when a stand was allocated to the aircraft

Timestamp

Call Sign

Unique code assigned to an aircraft in order to identify a flight/aircraft uniquely for communication by the ATC community.

String

Flight Number

A unique number for a flight, typically a combination of airline code and a number

String

IATA Service Type

Information about the type of air taxi service that this aircraft movement is associated with

String

Minutes Difference

Minutes difference between expected landing time and stand allocated time

Number

Movement Type

Indicates the type of aircraft movement

String

• Inbound or Outbound

Scheduled Date Time

The scheduled date and time of aircraft movement

Timestamp

Type

Categorisation of stand allocation - based on minutes difference calculated.
E.g. ELDT-5MIN

String

Data Element Name

Data Element Description

Data Element Type

Aircraft Movement Identifier

This identifier uniquely identifies the movement of an aircraft at Heathrow on a specific day of operation. This is also known as Flight ID.

String

Changes

Indicates the number of stand changes

Number

IATA Airline Code

The airline code as identified by IATA.

String

IATA Service Type

Information about the type of air taxi service that this aircraft movement is associated with

String

ICAO Airline Code

The airline code as identified by ICAO

String

Movement Type

Indicates the type of aircraft movement - Inbound or Outbound

String

Scheduled Date Time

The scheduled date and time of aircraft movement

Timestamp

Terminal Identifier

The identifier of terminal building

String

Type

Categorisation of stand allocation - based on minutes difference calculated.
E.g. ELDT-5MIN, ALDT-5MIN

String

Data Element Name

Data Element Description

Data Element Type

Aircraft Movement Identifier

This identifier uniquely identifies the movement of an aircraft at Heathrow on a specific day of operation. This is also known as Flight ID

String

Movement Type

Indicates the type of aircraft movement - Inbound or Outbound

Movement Type

Plan Type

Derived value based on DCB Plan Type. The possible values are: Alternate, Baseline

String

Scheduled Date

The scheduled date of aircraft movement

Date

Target Block Time

Target In-block or Off-block Time

Timestamp

Data Element Name

Data Element Description

Data Element Type

IATA Code

The airline code as identified by IATA

String

ICAO Code

The airline code as identified by ICAO

String

Name

The name of airline party

String

Primary Ground Handler

The name of primary ground handler for an airline party

String

Data Element Name

Data Element Description

Data Element Type

Identifier

This identifier uniquely identifies the airport facility

String

Name

Information about the name of airport facility

String

Data Element Name

Data Element Description

Data Element Type

Airport Identifier

Identifier of airport facility

String

Description

Information about the description of alert

String

From Date

Effective date from which the alert will be active

Date

Headline

Information about the headline of the alert

String

Identifier

This identifier uniquely identifies the alert

String

To Date

End date till which the alert will be active

Date

Data Element Name

Data Element Description

Data Element Type

City Name

The city name of airport

String

IATA Code

The airport code as identified by IATA

String

IATA Name

The airport Name as identified by
IATA

String

ICAO Code

The airport code as identified by ICAO

String

Data Element Name

Data Element Description

Data Element Type

End Date

The end date of an airport schedule

Date

Identifier

This identifier uniquely identifies an airport schedule.

String

Start Date

The date from which the airport schedule is active

Date

Data Element Name

Data Element Description

Data Element Type

Capacity

The arrival or departure capacity of airport schedule for a specific operating hour

int

Hour

The operating hour of an airport schedule

int

Movement Type

Indicates the type of aircraft movement - Inbound or Outbound

Movement Type

Schedule Identifier

This identifier uniquely identifies an airport schedule.

String

Data Element Name

Data Element Description

Data Element Type

Alert Date

The Operation date for which the alert is generated

Date

Alert Description

The description of alert message

String

Alert Identifier

The identifier of alert message

String

Alert Type

The type of alert message

String

Generated Date

The date and time when the alert was generated

Timestamp

Data Element Name

Data Element Description

Data Element Type

Aircraft IATA ID

IATA Flight Number. Used for flight correlation.

String

Aircraft ID

ICAO Call sign

String

Aircraft Movement Identifier

This identifier uniquely identifies the movement of an aircraft at Heathrow on a specific day of operation. This is also known as Flight ID.

String

Aircraft Registration

Aircraft registration mark. It is the unique alphanumeric string that identifies a civil aircraft.

String

Aircraft Type

Contains the ICAO aircraft type

String

Aircraft Type IATA

IATA aircraft type

String

Airport Slot Arrival

This field shall contain the airport arrival slot date and time in case the flight arrives at a coordinated airport.

Timestamp

Arrival Procedure

Standard Instrument Arrival Route identifier.

String

Consolidated TTOT

Contains all constraints for individual flight and/or constraint based on departure capacity and including the imposed downstream constraints (CTOT)

Timestamp

Departure Aerodrome

Departure Airport ICAO. Used for flight correlation.

String

Destination Aerodrome

Destination Airport ICAO. Used for flight correlation.

String

Estimated Offblock Time

Estimated off-block date/time from Flight Plan, if flight plan is filed.

Timestamp

IFPLID

Flight Plan Identifier if flight plan exists. Used for flight correlation.

String

Impact Severity Indicator

Used for impact assessment of non-punctual arrival upon the airport planning and AUs business needs.

String

Inblock Time

The time the aircraft is expected to arrive at stand/gate or the time the aircraft has arrives at the stand/gate

Timestamp

Landing Time

The time the aircraft is expected to land or the time the aircraft has landed.

Timestamp

Message Timestamp

The date and time when the API message was sent to network manager

Timestamp

Message Type

Type of API Messages: General, Takeoff, Target Timeover

String

Minimum Turnaround Time

Minimum turn-around time. Acronym: MTTT.

Number

Movement Status

Describes the current status of the flight in the arrival process by means of a pre-defined list of values

String

Runway Identifier

Identifier of the assigned arrival runway.

String

Scheduled Landing Time

IATA Scheduled Landing Time.

Timestamp

Shadow TTA

Describes a TTA that is possible for a flight but is not yet confirmed through the DCB system and therefore not requested to Eurocontrol.

String

Taxi Time

Estimated or actual taxi time from landing to gate.
Acronym: EXIT.

Number

Terminal Identifier

Identifier of the arrival terminal.

String

Data Element Name

Data Element Description

Data Element Type

ISO Code

The ISO code of country in which the airport city is located

String

ISO Name

The ISO Name of country in which the airport city is located

String

Data Element Name

Data Element Description

Data Element Type

Description

This information describes the deicing fluid utility.

String

Identifier

This information uniquely identifies the deicing fluid utility

Integer

Status

The information about the status of the deicing fluid utility.

Utility Status

Data Element Name

Data Element Description

Data Element Type

Deicing Fluid Identifier

The identifier of deicing fluid used by the deicing provider

String

Identifier

This identifier uniquely identifies an aircraft deicing provider at the airport.

String

Name

The company name of aircraft deicing provider

String

Data Element Name

Data Element Description

Data Element Type

Description

Description of the deicing user role

String

Identifier

This identifier uniquely identifies a deicing user role

String

Data Element Name

Data Element Description

Data Element Type

Aircraft IATA ID

IATA Flight Number. Used for flight correlation.

String

Aircraft ID

ICAO Call sign

String

Aircraft Movement Identifier

This identifier uniquely identifies the movement of an aircraft at Heathrow on a specific day of operation. This is also known as Flight ID.

String

Aircraft Type

Contains the ICAO aircraft type

String

Aircraft Type IATA

IATA aircraft type

String

Airport Slot Departure

This field shall contain the airport departure slot date and time in case the flight departs from a coordinated airport.

Timestamp

ARCID Inbound

ICAO Call sign of preceding leg

String

Confidence Factor

A value calculated by airport to indicate confidence in submitted TTOT.

String

Consolidated TTOT

Contains all constraints for individual flight and/or constraint based on departure capacity and including the
imposed downstream constraints (CTOT)

Timestamp

Departure Aerodrome

Departure Airport ICAO. Used for flight correlation.

String

Departure Aerodrome IATA

Departure Airport IATA.

String

Departure Procedure

Standard Instrument Departure or designator of last waypoint navaid/waypoint if runway not yet known.

String

Destination Aerodrome

Destination Airport ICAO. Used for flight correlation.

String

Destination Aerodrome IATA

Destination Airport IATA.

String

Earliest TTOT

Contains the airport departure capacity constraint. If provided for a regulated flight, it becomes a constraint for slot assignment. If it is not the most penalizing constraint is is retained for potential slot improvement.

Timestamp

Estimated Offblock Time

Estimated off-block date/time from Flight Plan, if flight plan is filed.

Timestamp

IFPLID

Flight Plan Identifier if flight plan exists. Used for flight correlation.

String

IFPLID Inbound

Flight Plan Identifier of preceding leg.

String

Is New Flight

Indicates if this is a new flight to Heathrow.

boolean

Message Timestamp

The date and time when the DPI message was sent to network manager

Timestamp

Message Type

Type of DPI message, e.g. P-DPI

String

Movement Status

Describes the current status of the flight in the departure process by means of a pre-defined list of values

String

Registration Mark

Aircraft registration mark. It is the unique alphanumeric string that identifies a civil aircraft.

String

Registration Mark Inbound

Aircraft registration of preceding leg as known by the AOP/AODB

String

Runway Identifier

Planned departure runway. Can help with trajectory prediction if SID and taxi time not known.

String

Scheduled Offblock Time

IATA schedule time and date of departure. The prime originator is the Airline. It is the time that an aircraft is scheduled to depart. Acronym: SOBT.
Used for flight correlation.

Timestamp

Target Offblock Time

Airline/ground handler constraints on off-block time. Acronym TOBT.

Timestamp

Taxi Time

Taxi Out Time.

Number

Terminal Identifier

The aerodrome terminal the flight is departing from.

String

Turnaround TTOT

Contains all the constraints stemming from TOBT or late ELDT if existing, else it contains the schedule time.

Timestamp

Data Element Name

Data Element Description

Data Element Type

Actual Offblock Time

Corresponds to the time the aircraft pushes back / vacates the parking position.

Acronym: AOBT

Timestamp

Actual Takeoff Time

The time that an aircraft takes off from the runway (Equivalent to ATC ATD–Actual Time of Departure,
ACARS = OFF)

Acronym: ATOT

Timestamp

Aircraft Movement Identifier

This identifier uniquely identifies the

String

movement of an aircraft at Heathrow on a specific day of operation. This is also known as Flight ID.

Aircraft Registration

The alphanumerical characters corresponding to the actual registration of the aircraft (up to 7 characters).

String

Aircraft Type

A group of alphanumeric characters used to identify, in an abbreviated form, a type of aircraft.

String

Calculated Takeoff Time

An Air Traffic Flow & Capacity
Management (ATFCM) departure slot, forming part of an Air Traffic Control (ATC) clearance, which is issued to a
flight affected by Network Management regulations.

Acronym: CTOT

Timestamp

Destination

Destination Airport as identified by ICAO.

String

DPI Milestone

The milestone during which the corresponding DPI was sent

String

DPI Sending Time

The date and time when the DPI message was sent to Eurocontrol

Timestamp

Estimated Offblock Time

Corresponds to the estimated time at which the aircraft will commence movement associated with departure.

Acronym: EOBT

Timestamp

Flight Number

A unique number for a flight, typically a combination of airline code and a number.

String

Is Regulated

Indicates if the corresponding flight is regulated

boolean

Is Remotehold

Indicates if the corresponding flight is on hold due to a request from destination

boolean

SID

SID - Standard Instrument Departure

1. A procedure by which a departure route is designated following the Instrument Flight Rules (IFR).
   
   
   
2. A designated instrument flight rule (IFR) departure route linking the aerodrome or a specified runway of the aerodrome with a specified significant point, normally on a designated ATS route, at which the en-route phase of a flight commences.

String

Target Offblock Time

Corresponds to the timestamp entered by the despatcher of the departing aircraft to state the time when the aircraft will be ready for departure.

Acronym: TOBT

Timestamp

Target Startup Approval Time

Corresponds to the time provided by
ATC taking into account TOBT,
CTOT and/or the traffic situation that an aircraft can expect to receive start up / push back approval.

Acronym: TSAT

Timestamp

Target Takeoff Time

Corresponds to the Target Take Off

Timestamp

Time taking into account the Target off block time plus the taxi time.

Acronym: TTOT

Terminal Identifier

The identifier of terminal building

String

Data Element Name

Data Element Description

Data Element Type

Aircraft Movement Identifier

This identifier uniquely identifies the movement of an aircraft at Heathrow on a specific day of operation. This is also known as Flight ID.

String

Flight Number

A unique number for a flight, typically
a combination of airline code and a number

String

Identifier

This identifier uniquely identifies the UDPP request.

String

Priority

Describes the priority value of a flight in sequencing and reducing ground delay compared to another flight operated by the same airline

String

Request Timestamp

The date and time when the UDPP request was raised

Timestamp

Swapped Flight Identifier

The flight identifier of flight that is being swapped with the one prioritised

String

Swapped Flight Number

The flight number of flight that is being swapped with the one prioritised

String

Data Element Name

Data Element Description

Data Element Type

Identifier

This identifier uniquely identifies a ground handler at the airport.

String

Name

The company name of ground handler

String

Data Element Name

Data Element Description

Data Element Type

Description

The description of measure

String

Name

The name of measure

String

Threshold Lower

The lower threshold limit of measure

Number

Threshold Upper

The upper threshold limit of measure

Number

Type

The type of measure

Measure Type

Unit

The unit of measure, e.g. percentage, minutes.

String

Data Element Name

Data Element Description

Data Element Type

Party Identifier

This identifier uniquely identifies a party at the airport. It could be an airline, ground handler or deicing provider.

String

Party Type

Indicates the type of party, e.g. airline

Party Type

Related Party Identifier

This identifier uniquely identifies a related party for a party. For example, it could be a ground handler related to an airline.

String

Related Party Type

Indicates the type of related party, e.g.
ground handler

Party Type

Data Element Name

Data Element Description

Data Element Type

Aircraft Movement Identifier

This identifier uniquely identifies the movement of an aircraft at Heathrow on a specific day of operation. This is also known as Flight ID.

String

Aircraft Registration

Aircraft registration mark. It is the unique alphanumeric string that identifies a civil aircraft.

String

Aircraft Type

4 character code; the first letter followed by 3 numbers (like B789) denoting the aircraft type

String

Call Sign

Unique code assigned to an aircraft in order to identify a flight/aircraft uniquely for communication by the ATC community.

ICAO Flight Number

String

Connection Risk Type

The Connection Risk Type associated with the connecting departing flight as defined in O2P system.

Possible Values:

• OK
• Tight
• Very Tight
• Missed
• Unknown

String

EOBT

Expected Off-Block Time. When the connecting departure flight is expected to be Off-block.

Timestamp

Flight Number

IATA Flight Number of the connected Departure flight.

String

MCT Variance

Minimum Connection Time (MCT) Variance.

MCT is defined as the minimum time required by transfer passengers to make to a connecting flight in a particular airport as determined by the airlines servicing the connecting flights.
MCT Variance depicts the variance (in minutes) to the defined MCT and is calculated based on the MCT and arrival and departure times for the connecting flights.

Number

POBT Median

Predictive Off-Block Time. The recurring predicted Off-Block time received from NATS-DCB2 feed

String

SOBT

Scheduled Off-Block Time. When the
connecting departure flight is scheduled to be Off-block.

Timestamp

Stand Identifier

The Stand assigned to the connecting departure flight.

String

Status

The Status of the connecting departure flight.

String

Terminal Identifier

The terminal number for the connecting departure flight.

String

TOBT

Target Off-Block Time. The time that an Aircraft Operator or Ground Handler estimates that the connecting departure flight will be ready, all doors closed, boarding bridge removed, push back vehicle available and ready to start up / push back immediately upon reception of clearance

String

Transfer Bag Count

The number of Transfer Bags

int

Transfer Passenger Count

The number of Transfer Passengers.

int

Data Element Name

Data Element Description

Data Element Type

Code

The region code of country in which the airport city is located

String

Name

The region name of country in which the airport city is located

String

Data Element Name

Data Element Description

Data Element Type

AODB Unique ID

An Unique identifier that helps us to identify the resource utilisation and ground movements associated with an aircraft movement.

String

Consumer Identifier

The identifier of consumer such as a flight identifier

String

Fixed Ground Power Status

Describes the operational status of the FGP system at each stand (if FGP is available).

String

Jetty A

The identifier of first jetty

String

Jetty A Status

The status of first jetty

String

Jetty B

The identifier of second jetty

String

Jetty B Status

The status of second jetty

String

Jetty C

The identifier of third jetty

String

Jetty C Status

The status of third jetty

String

Linked Consumer Identifier

The identifier of linked consumer such as a flight identifier

String

Resource Availability

The status of resource availability

String

Resource Code

Any code associated with a resource

String

Resource Identifier

The identifier of resource that is being used for an aircraft movement. It's typically the stand identifier.

String

Terminal Identifier

The identifier of terminal building

String

Data Element Name

Data Element Description

Data Element Type

Description

Descriptive text sufficient to identify the equipment to a report user.

String

Identifier

Information that identifies the equipment.

Usually supplied by a manufacturer but may be assigned by the enterprise. It may also be a unique identifier used to identify an equipment within a system like MAXIMO.

Examples include the Check-In Desk
Identifier and Reclaim / Carousel Identifier

String

Plate

Plate number of the equipment, typically assigned by its owner to internally identify it in a facility.

String

Status

Indicates the status of the equipment

Equipment Status

Data Element Name

Data Element Description

Data Element Type

Actual Duration

The actual duration of rig usage

Number

Actual End Time

Date and time till when a rig was actually used

Timestamp

Actual Start Time

Date and time from when a rig was actually used

Timestamp

Aircraft Movement Identifier

This identifier uniquely identifies the movement of an aircraft at Heathrow on a specific day of operation. This is also known as Flight ID.

String

Antiice Duration

The duration of rig usage for anti-icing

Number

Cancel Timestamp

Date and time when a rig schedule was canceled.

Timestamp

Identifier

This identifier uniquely identifies the rig utilisation

String

Rig Allocation Timestamp

Date and time when a rig was actually allocated

Timestamp

Rig Identifier

Information that identifies the rig equipment.

String

Rig Role

Indicates the role of rig, e.g. Primary,
Secondary

String

Schedule Duration

The duration of rig usage

Number

Schedule Status

Indicates the status of a rig schedule

String

Schedule Type

Indicates the type of usage, e.g. Deicing, Refilling

String

Scheduled End Time

Date and time till when a rig is scheduled to be used

Timestamp

Scheduled Start Time

Date and time from when a rig is scheduled to be used

Timestamp

Data Element Name

Data Element Description

Data Element Type

End Date Time

The date and time by when the runway status will end.

Timestamp

Runway Identifier

This identifier uniquely identifies a runway in the airport

String

Runway Status

The status of runway, e.g. OPEN for
ARRIVAL, CLOSED

State

Start Date Time

The date and time from which the runway status is effective

Timestamp

Data Element Name

Data Element Description

Data Element Type

Identifier

This identifier uniquely identifies a runway in the airport

String

Name

Information about the name of the runway in the airport

String

Data Element Name

Data Element Description

Data Element Type

Endpoint Value

Information on the visibility at the end

String

of the runway

Last Update Timestamp

The date and time when the last visual ranges were updated

Timestamp

Maintenance Flag

Information on any maintenance work at the runway

String

Midpoint Value

Information on the visibility at the midpoint of the runway

String

Runway Identifier

This identifier uniquely identifies a runway in the airport

String

Touchdown Value

Information on the visibility at the beginning of the runway

String

Data Element Name

Data Element Description

Data Element Type

Code

The sub region code of country in which the airport city is located

String

Name

The sub region name of country in which the airport city is located

String