| flightLegIdentifier | See entity definition above. |
| heliFightData | See entity definition below. |
| departureDelay | See entity definition above. A Delay related to a departure. |
| sobt | Scheduled Off-Block Time. The time that an aircraft is scheduled to depart from its parking position. Always UTC time. |
| tobt | Target Off-Block Time. The time that an Aircraft Operator or Ground Handler estimates that an aircraft 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 from the TWR. Always UTC time. |
| eobt | Estimated Off-Block Time. The estimated time at which the aircraft will start movement associated with departure. Always UTC time. |
| aobt | Actual 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. |
| etot | Estimated Take Off Time. The estimated take off time taking into account the EOBT plus EXOT. Always UTC time. |
| atot | Actual Take Off Time. The time that an aircraft takes off from the runway. (Equivalent to ATC ATD–Actual Time of Departure, ACARS = OFF). Always UTC time. |
| mailWeightLoaded | Weight in Kilos of mail loaded onto the aircraft. |
| cargoWeightLoaded | Weight in Kilos of cargo (freight) loaded onto the aircraft at the current airport. |
| paxBoarding | The number of "seated passengers" boarding the aircraft, infants excluded.
PaxBoarding = PaxAdultBoarding + PaxChildBoarding |
