All Classes (461)
Thing
'Abnormal situation information'
'ADS-B data'
'Aerodrome warning'
'Aeronautical information'
'Air information system'
'Air traffic control agent'
'Air traffic control assessment team fitness'
'Air traffic control assistance to the air traffic controller in recovering control of traffic'
'Air traffic control clearance'
'Air traffic control conditional equipment maintenance'
'Air traffic control coordination'
'Air traffic control corrective equipment maintenance'
'Air traffic control equipment maintenance'
'Air traffic control equipment'
'Air traffic control instruction'
'Air traffic control medical and competence check'
'Air traffic control monitoring of sector traffic load'
'Air traffic control preventive equipment maintenance'
'Air traffic control procedure'
'Air traffic control rostering/sector opening in relation to expected traffic'
'Air traffic control service information'
'Air traffic control service warning'
'Air traffic control system'
'Air traffic control team briefing'
'Air traffic control team management'
'Air traffic control use of procedures'
'Air traffic controller'
'Air traffic flow management service provision'
'Air traffic management backup power system'
'Air traffic management communication related system'
'Air traffic management coordination'
'Air traffic management monitorable object'
'Air traffic management monitoring'
'Air traffic management observance of Procedures for Factors relating to the air Navigation Services - Operations [PANS-OPS]'
'Air traffic management operation'
'Air traffic management planning and design'
'Air traffic management procedure'
'Air traffic management regulation'
'Air traffic management service personel'
'Air traffic management service personnel operating procedures/instructions for support functions'
'Air traffic management service personnel operating procedures/instructions for technical systems engineering'
'Air traffic management service personnel operating procedures/instructions for technical systems maintenance'
'Air traffic management service personnel operating procedures/instructions'
'Air traffic management service provision'
'Air traffic management service unit'
'Air traffic management support system'
'Air traffic management system'
'Air traffic management use of radar data processing system'
'Air traffic management use of radar source'
'Air traffic management use of traffic display system'
'Air traffic management use/testing of controller working position equipment'
'Air traffic management'
'Air traffic management's information data system'
'Air traffic management's stipulation of prior permission required'
'Air traffic management's use of equipment'
'Air traffic service procedure'
'Airborne collision'
'Airborne proximity warning'
'Aircraft collision'
'Aircraft ground collision'
'Aircraft identification in the air traffic control operations'
'Aircraft identification'
'Airspace management service provision'
'Airspace management'
'Airspace use plan part'
'Altimeter setting'
'Approach clearance'
'Area radar'
'Assigned code'
'Assigned mode'
'Atomic event'
'Automated terminal information service information'
'Automatic dependent surveillance ground system'
'Avoiding action warning'
'Bird strike'
'Blocked communication'
'Call sign'
'Call-sign confusion'
'Clearance procedure'
'Climb at instruction'
'Climb procedure'
'Communication part'
'Communication technique'
'Complex event'
'Conditional Route Factors Availability Message'
'Conditional route information'
'Conditional route type information'
'Context event'
'Contingency plan'
'Controled flight into terrain'
'Controled flight toward terrain'
'Critical Incident Stress Management'
'Cross-border Factors relating to the Area information'
'Damage manifestation'
'Data block'
'Data exchange network'
'Data interpretation'
'Datalink system'
'Departure clearance'
'Departure procedure'
'Descent procedure'
'Deviation from ATC Clearance or Instruction'
'Distance Measuring Equipment Signal'
'Electronic data display'
'Emergency procedure'
'En route weather information'
'En route weather phenomena which may affect the safety of aircraft operations information'
'En-route navigation aid's serviceability information'
'En-route weather phenomena which may affect the safety of low level aircraft operations information'
'Expedite clearance instruction'
'Flight crew weather report'
'Flight crew'
'Flight data corruption'
'Flight data processing system'
'Flight data processing'
'Flight data'
'Flight information'
'Flight plan sorting-classification'
'Flight progress strip'
'Frequency selection in the air traffic control communication'
'Hazard warning'
'HF radio telephony'
'Holding procedure'
'ILS aircraft equipment'
'ILS glide path'
'ILS ground system part'
'ILS localizer'
'Inadequate separation'
'Information input error in the air traffic control operations'
'Instrument landing system ground system'
'Intercom system'
'Land and hold short procedure'
'Loss of communications (LOC)'
'Loss of separation'
'Low Visibility Procedure'
'Microwave landing ground system'
'Microwave landing system ground system'
'Mid-air collision'
'Minimum safe altitude warning system warning'
'Minimum safe flight level/altitude/height/sector altitude information'
'Missed approach procedure'
'Missed approach'
'MLS glide slope'
'MLS localizer'
'Model aircraft'
'Monitoring system'
'Navaids en-route radar'
'Navaids marker beacon'
'Navaids other radar'
'Navaids surface radar'
'Navigation advisory information'
'Navigation aids during the hand-over/take-over'
'Navigational aid'
'Near Collision'
'Near mid-air collision'
'Noise abatement climb procedure'
'Noise abatement procedure'
'Non - standard hand-over/take-over'
'Non-directional beacon signal'
'Non-directional beacon'
'Object change event'
'Object creation event'
'Object destruction event'
'Object snapshot'
'Occurence report'
'Operations room'
'Other factors related to the air traffic control action after an accident, incident or emergency'
'Physical agent'
'Physical object'
'Precision approach'
'Primary approach radar'
'Primary radar'
'Primary surface radar'
'Primary surveillance radar'
'Radar aircraft identification'
'Radar data processing system'
'Radio communication'
'Radio navaids area navigation'
'Radio navaids marker'
'Radio navigation system'
'Radio signal'
'Recording systems'
'Regional pressure reference datum (en-route/regional)'
'Relay/relayed message'
'Reportable event'
'Resulting event'
'Runway condition information'
'Runway incursion'
'Secondary approach radar'
'Secondary area radar'
'Secondary radar'
'Secondary surface radar'
'Secondary surveillance radar'
'Sector splitting'
'Short term conflict alert warning'
'Simultaneous intersecting runway operation procedure'
'Snow fall information'
'Spatial object'
'STAP - Parameters Automatic Transmission System'
'Strategic planning'
'Surface radar'
'Surveillance radar element of a precision approach radar system approach'
'Surveillance radar element of a precision approach radar system'
'Surveillance radar'
'Surveillance system'
'Takeoff clearance'
'Technical system'
'Telephone system'
'Temporal entity'
'Temporary Segregated Area information'
'Time instant'
'Time interval'
'Transition altitude information'
'Trope change'
'UHF radio telephony'
'Unauthorized operation'
'Unlawful action'
'Unusual situation handling'
'Very high frequency omni-directional radio range ground system'
'Very high frequency omni-directional radio range signal'
'VHF radio telephony'
'Visual aircraft identification'
'Volcanic activity report'
'Volcanic ash'
'VOR signal corruption'
'Weather briefing during the hand-over/take-over'
'Weather information'
'Wildlife strike'
'Wind shear warning'
A-SMGCS_system
Abnormal_situation
Accident
acknowledgement
Action
ADS-B_function
Aerodrome
aerodrome_forecast
Aerodrome_hazard_warning-notification
aerodrome_lighting
Aerodrome_surface_area_Incursion
Aerodrome_surface_coverage
Aeronautical_information_service
Aeronautical_information_service_agent
Agent
air-ground_communication
Air_navigation_service
Air_traffic_advisory_service
Air_traffic_control_clearance-instruction-approval
Air_traffic_control_service
Air_traffic_control_service_provision
air_traffic_control_transponder_system
Air_traffic_flow_management_agent
Air_traffic_flow_management_service
air_traffic_management_agent
air_traffic_management_power_system
Air_traffic_management_s_use_of_primary_area_radar
Air_traffic_management_service
Airborne_element_of_ATM
Airborne_object
Aircraft
Aircraft_communication_related_system
Aircraft_life_phase
Aircraft_performance
Airplane
Airport
Airport_authority
Airspace
Airspace_capacity
Airspace_management_agent
Airspace_management_cell
Airspace_Management_service
Airspace_use_plan
airways-route_procedure
alerting_procedure
Animal
Approach
Approach_procedure
Apron-ramp
Apron_incursion
Area_coverage
atc_vor_function
atc_workstation
Automatic_direction_finder_system
Availability
aviation_routine_weather_report
aviation_selected_special_weather_report
Baloon
Bird
Building
Characteristic
Chart
civil_sector_agent
civil_unit
Clarity
Climb
Collision
Communication
Communication_function
Condition
Conflict
conflict_detection
conflict_resolution
Control_and_monitoring_position
Controled_flight
Coordination
Damage
Data
Data_mismatch_encounter
Data_problem_manifestation
Data_processing
Delay
delay_information
Design
Detection
Deviation
Deviation_from_Air_traffic_management_regulation
Dirigible
Disposition
Distance_measuring_equipment-ultra_high_frequency_tactical_air_navigation_aid
distance_measuring_equipment_ground_system
DME_function
Document
Endurant
Entity
Equipment
Errorneous_data
Evaluation
Event
external_coordination
Fact
Factor
Familiarization
Flight
Flight_participant
Flight_phase
Flight_plan_data_processing_system_part
Flight_stage
Frequency
Function
Ground_collision
Ground_facility
Ground_object
ground_to_ground_communication
Hand-over_take-over_briefing
Hand-over_take-over_part
Hand-over_take-over_procedure
Handling
Hardware_failure
Headset
Hearback
Helicopter
Heliport
Inability_of_provision
Individual
Information
Information_problem_manifestation
Information_reception_problem
information_update_event
Injury
Installation
integration
internal_coordination
Land_and_hold_short_operation
Landing_area
Landing_clearance
Level_bust
Location
loss_of_system_function
Loss_of_system_integrity
Low_visibility_operation
Management
Microlight
microwave_landing_ground_system_part
military_sector_agent
military_unit
Minimum_safe_altitude_warning
Monitoring
Natural_object
Navigation
Navigation_function
NDB_function
Network
NOTAM
Nothing
Object
Occurence
Operation
Operational_communication
Organization
Out-of-date_data_provision
Overlapping_period_during_the_hand-over-take-over
Parachute
Participation
Passenger
Perdurant
Person
Phraseology
Pilot_readback
Planning_and_design
Potential
Power_supply
precision_approach_radar
Procedure
Process
Provision
Radar_working_technique
Radio_communication_equipment
Radio_Transmission
Radio_transmitter
Readback
readback-hearback_error_detection
Reception
Regulation
Regulation_related_event
Regulation_use
relief_from_position
Removal
Report
Request
Response
Runway
Runway_incursion_where_no_avoiding_action_is_necessary
Runway_surface_condition
s_hand-over-take-over
Sector
Security_event
Service
short_term_conflict_alert
Simultaneous_intersecting_runway_operation
Situation
Software
Software_failure
special_coordination_procedure
Speed
support_system
Surveillance_function
System_design
take-over
Taxiway
Taxiway_incursion
Technical_system_failure
Technical_system_related_event
Terrain
Traffic_load
transfer_of_communication
transfer_of_traffic
Transition_altitude
Trope
Unauthorized_penetration_of_airspace
Universal
Up-to-date_data
Updated_airspace_use_plan
Use
use_of_phraseology
User_Request_Evaluation_Tool
VDF
Vehicle
Very_high_frequency_omni-directional_radio_range_aircraft_system
VOR_function
working_technique