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IataLoadData

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FlightId IATA based identifier for this flight, usually issued long before the flight actually takes place.

FlightId is normally the concatenation of OperatingAirlineIATA, FlightNumber and OperationalSuffix.

FlightId typically identifies a flight to the majority of systems, but it is not unique across time. It's unique only in conjunction with FlightDepartureDate.

Exception: Some airlines use their ICAO code (OperatingAirlineICAO) instead of OperatingAirlineIATA. This might be because they aren't an IATA member or because they just prefer the ICAO code. Regardless, this means that it is allowed to use OperatingAirlineICAO as part of FlightId.

FlightId is then defined as the concatenation of AirlineIATAorICAO, FlightNumber and OperationalSuffix.

CallsignA call sign is used to uniquely identify an aircraft using the airspace around a particular airport.  Call signs in aviation are derived from several different policies, depending upon the type of flight operation. In most countries, unscheduled general aviation flights identify themselves using the call sign corresponding to the aircraft's registration number.  Commercial operators, including scheduled airline, air cargo and air taxi operators, will usually use an ICAO or FAA-registered call sign for their company. These will typically consist of the ICAO code of the operating airline followed by a flight identification.  The flight identification is very often the same as the flight number, but could be different due to call sign confusion, if two or more flights close to each other have similar flight numbers (i.e. KLM649 and KLM645 or BAW466 and BAW646).
FlightDepartureDate The scheduled date (based on UTC) of departure of flight. For flights with multiple legs this is the departure of the first leg. This date must not change once set as it is used to make the FlightIds unique.
DepartureAirportIATADeparture airport IATA code (see AirportIATA for description of term).
ArrivalAirportIATAArrival airport IATA code (see AirportIATA for description of term).
DepartureAirportICAODeparture airport ICAO code (see AirportICAO for description of term).
ArrivalAirportICAOArrival airport ICAO code (see AirportICAO for description of term).
FlightDIIndicatorIndicator showing what kind of flight (domestic, international, Schengen) this is. See also: AirportDIIndicator.
SOBTScheduled Off-Block Time. The time that an aircraft is scheduled to depart from its parking position. Always UTC time.
AOBTActual Off-Block Time. Time the aircraft pushes back / vacates the parking position. (Equivalent to Airline / Handlers ATD – Actual Time of Departure & ACARS=OUT). Always UTC time.
SIBTScheduled In-Block Time. The time that an aircraft is scheduled to arrive at its first parking position. Always UTC time.
AIBTActual In-Block Time. The time that an aircraft arrives in-blocks. (Equivalent to Airline/Handler ATA –Actual Time of Arrival, ACARS = IN). Always UTC time.
AircraftRegistration An aircraft registration is a unique alphanumeric string that identifies an aircraft. In accordance with the Convention on International Civil Aviation all aircraft must be registered with a national aviation authority and they must carry proof of this registration in the form of a legal document called a Certificate of Registration at all times when in operation.

An aircraft can be re-registered in special cases, for instance if it's sold to an operator in another country.
FlightServiceTypeIATAIATA SSIM Appendix C Service Types.
FlightServiceTypeExtendedInstallation/customer specific set of flight service types. Typically used when the defined set in FlightServiceType isn't specific enough. Encoded as integer to clearly separate it from FlightServiceType.
PersonsOnboardAll persons on board the plane. Often known as souls on board.

PersonsOnboard = CrewActiveOnBoard + PaxSeatedOnBoard + PaxInfantOnBoard

CrewActiveOnBoardNumber of working crew members (cockpit, cabin and jump seat) on board the aircraft.
CrewPassiveBoardingNumber of passive crew boarding the aircraft. Often called "DHC" (Dead Head Crew). Included in PaxAdultBoarding.
DutyTravelBoardingNumber of duty travelers (employees of the relevant airline on business trip) boarding the aircraft. Included in PaxAdultBoarding.
PaxInfantBoardingThe number of infants boarding the plane.
PaxBoardingThe number of "seated passengers" boarding the aircraft, infants excluded.
PaxBoarding = PaxAdultBoarding + PaxChildBoarding 
PaxTransferBoardingThe number of transfer passengers boarding the flight. These passengers are also included in the PaxBoarding number.
PaxTransitThe number of seated passengers and passive crew that stay on the aircraft at one stop on a multi leg flight.
PaxDisembarkingThe number of passengers and passive crew disembarking the plane, infants excluded.
PaxDisembarking = PaxAdultDisembarking + PaxChildDisembarking
PaxInfantDisembarkingThe number of infants disembarking the plane.
CargoWeightLoadedWeight in Kilos of cargo (freight) loaded onto the aircraft at the current airport.
CargoWeightUnloadedWeight in Kilos of cargo (freight) unloaded off the aircraft at the current airport.
MailWeightLoadedWeight in Kilos of mail loaded onto the aircraft.
MailWeightUnloadedWeight in Kilos of mail unloaded off the aircraft.


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