“LGT” Long ground time. The Aircraft will remain at the Airport for some time, and the airport needs the current AircraftParkingPosition. The aircraft must be moved to a new position.
“ARC” Area change. The aircraft is parked in the wrong area of the airport and must be moved. For example, between international and domestic parking positions.
“REQ” Airport request. The airport has requested that the aircraft is moved for some reason.
“MNT” Maintenance. An Airlinehas requested that the aircraft is moved to a place where maintenance can be done.
“ACH” Aircraft change. An airline has requested that the aircraft for a departure is changed.
“POS” Airlinerequest. An airline has requested that the aircraft is moved for some reason.
Additional values might be defined. Airports can define their own values, but please use two-letter codes to avoid conflict with values defined by the ACI DD.