Name	Data Type	Definition
type	CodeAircraftType	An indication of the type of aircraft.
engine	CodeAircraftEngineType	An indication of the type of aircraft engine.
numberEngine	CodeAircraftEngineNumberType	An indication for the number of engines of an aircraft.
typeAircraftICAO	CodeAircraftICAOType	A coded aircraft type designator assigned by ICAO to all aircraft heavier than micro-/ultra-light.
aircraftLandingCategory	CodeAircraftCategoryType	Classification of aircraft based on 1.3 times stall speed in landing configuration at maximum certified landing mass.
wingSpan	ValDistanceType	The distance between the wing tips of the aircraft.
wingSpanInterpretation	CodeValueInterpretationType	Indicates whether the Aircraft Characteristic concerns aircraft with larger or smaller wingspan.
classWingSpan	CodeAircraftWingspanClassType	A classification of aircraft by wing span dimension. It can be used to indicate the size of aircraft that a taxiway can handle.
weight	ValWeightType	The maximum aircraft take-off weight.
weightInterpretation	CodeValueInterpretationType	Indicates whether the Aircraft Characteristic concerns aircraft with bigger or smaller weight.
passengers	NoNumberType	The maximum number of passengers carried on an aircraft.
passengersInterpretation	CodeValueInterpretationType	Indicates whether the Aircraft Characteristic concerns aircraft with larger or smaller number of passengers.
speed	ValSpeedType	An Indicated Air Speed (IAS) that can be maintained by the aircraft.
speedInterpretation	CodeValueInterpretationType	Indicates whether the Indicated Air Speed that can be maintained by an aircraft is a maximum or minimum imposed value.
wakeTurbulence	CodeWakeTurbulenceType	The wake turbulence category of the aircraft.
navigationEquipment	CodeNavigationEquipmentType	An indication of the aircraft capability to use a certain ground based, satellite based or on-board system for aerial navigation.
navigationSpecification	CodeNavigationSpecificationType	A set of aircraft and flight crew requirements needed to support performance-based navigation operations.
verticalSeparationCapability	CodeRVSMType	An indication of the aircraft capability to maintain a specified vertical separation.
antiCollisionAndSeparationEquipment	CodeEquipmentAntiCollisionType	An indication of the aircraft equipment with collision avoidance systems.
communicationEquipment	CodeCommunicationModeType	An indication of the aircraft equipment with voice and data communication devices.
surveillanceEquipment	CodeTransponderType	An indication of the aircraft capability for operating with a certain surveillance system.

Association	Multiplicity	Role	To	Role description
hasAnnotations	0..*	annotation	Note

From	Association	Multiplicity	Role	To	Role description
ConditionCombination	dependsOnAircraft	0..*	aircraft	A type of aircraft for which the usage is specified.
AirspaceActivation	involvesAircraft	0..*	aircraft	The aircraft that the usage applies to.
ApproachCondition	isApprovedFor	0..*	aircraftCategory	Classification of aircraft based on 1.3 times stall speed in landing configuration at maximum certified landing mass.
CirclingArea	isEvaluatedFor	0..1	aircraftCategory	The category of Aircraft.
DepartureArrivalCondition	isDefinedFor	0..1	engineType	type of aircraft engine allowed for the condition
Procedure	isLimitedTo	0..*	aircraftCharacteristic	aircraft equipment or category limits
SegmentLeg	isValidFor	0..*	aircraftCategory	Classification of aircraft based on 1.3 times stall speed in landing configuration at maximum certified landing mass.
FlightConditionElementChoice	hasAircraft	0..1	aircraft	A condition based on an aircraft.
ObstacleAssessmentArea	isEvaluatedFor	0..*	aircraftCategory	Classification of aircraft based on 1.3 times stall speed in landing configuration at maximum certified landing mass.

1 - Aircraft Characteristics , 1 - Circling , 1 - Final Segment Leg Conditions , 1 - Obstacle Assessment Feature , 1 - Overview , 1 - SID , 2 - Flight restrictions - conditions , 3 - AirportHeliport Availability , 3 - Segment Leg , 4 - Airspace Activation