Select a Common Occurrence Type
All
Operational non-compliance
Birdstrike
Airspace infringement
Diversion/return
Breakdown of co-ordination
Warning devices
Missed approach
Runway incursion
Interference from the ground
Engine failure or malfunction
Landing gear/indication
E/GPWS warning
Fumes
Air-ground-air
Rejected take-off
Abnormal engine indications
Wildlife - Other
Avionics/flight instruments
Turbulence/windshear/microburst
Separation issue
Select an Occurrence Type by Category
Level 1
All
Airspace
Technical
Operational
Environment
Consequential events
Infrastructure
Select from all Occurrence Types
Begin typing in the field below to filter the list of Occurrence Types.
All
Airspace - Aircraft separation - Airborne collision alert system warning
Airspace - Aircraft separation - Collision
Airspace - Aircraft separation - Issues
Airspace - Aircraft separation - Loss of separation
Airspace - Aircraft separation - Loss of separation assurance
Airspace - Aircraft separation - Near collision
Airspace - Airspace infringement -
Airspace - ANSP Operational error - ATC Procedural Error
Airspace - ANSP Operational error - Failure to pass traffic
Airspace - ANSP Operational error - Information / procedural error
Airspace - ANSP Operational error - Other
Airspace - Breakdown of co-ordination -
Airspace - Encounter with RPA - Collision with RPA
Airspace - Encounter with RPA - Near encounter with RPA
Airspace - Encounter with RPA - Sighting
Airspace - Operational Non-compliance -
Airspace - Other -
Consequential events - Ditching -
Consequential events - Diversion / return -
Consequential events - Emergency / Precautionary descent -
Consequential events - Emergency evacuation -
Consequential events - Forced / Precautionary landing -
Consequential events - Fuel dump / burn off -
Consequential events - Missed approach / go-around -
Consequential events - Other -
Consequential events - Rejected take-off -
Environment - Interference with aircraft from ground -
Environment - Other -
Environment - Weather - Icing
Environment - Weather - Lightning strike
Environment - Weather - Other
Environment - Weather - Turbulence / Windshear / Microburst
Environment - Weather - Unforecast weather
Environment - Wildlife - Animal strike
Environment - Wildlife - Birdstrike
Environment - Wildlife - Other
Infrastructure - ATM -
Infrastructure - Navaids -
Infrastructure - Other -
Infrastructure - Radar / Surveillance -
Infrastructure - Runway lighting -
Operational - Aircraft control - Airframe overspeed
Operational - Aircraft control - Control issues
Operational - Aircraft control - Hard landing
Operational - Aircraft control - Incorrect configuration
Operational - Aircraft control - In-flight break-up
Operational - Aircraft control - Loss of control
Operational - Aircraft control - Other
Operational - Aircraft control - Stall warnings
Operational - Aircraft control - Unstable approach
Operational - Aircraft control - Wheels up landing
Operational - Aircraft loading - Dangerous goods
Operational - Aircraft loading - Loading related
Operational - Aircraft loading - Other
Operational - Communications - Air-ground-air
Operational - Communications - Callsign confusion
Operational - Communications - Other
Operational - Communications - Transponder related
Operational - Crew and cabin safety - Cabin injuries
Operational - Crew and cabin safety - Cabin preparations
Operational - Crew and cabin safety - Depressurisation
Operational - Crew and cabin safety - Flight crew incapacitation
Operational - Crew and cabin safety - Inter-crew communications
Operational - Crew and cabin safety - Other
Operational - Crew and cabin safety - Passenger related
Operational - Crew and cabin safety - Unrestrained occupants / objects
Operational - Flight preparation / Navigation - Aircraft preparation
Operational - Flight preparation / Navigation - Flight below minimum altitude
Operational - Flight preparation / Navigation - Lost / unsure of position
Operational - Flight preparation / Navigation - Other
Operational - Flight preparation / Navigation - VFR into IMC
Operational - Fuel related - Contamination
Operational - Fuel related - Exhaustion
Operational - Fuel related - Leaking or venting
Operational - Fuel related - Low fuel
Operational - Fuel related - Other
Operational - Fuel related - Starvation
Operational - Fumes, Smoke, Fire - Fire
Operational - Fumes, Smoke, Fire - Fumes
Operational - Fumes, Smoke, Fire - Smoke
Operational - Ground operations - Foreign object damage / debris
Operational - Ground operations - Ground handling
Operational - Ground operations - Jet blast / Prop / Rotor wash
Operational - Ground operations - Other
Operational - Ground operations - Taxiing collision / Near collision
Operational - Ground proximity alerts / warnings -
Operational - Miscellaneous - Missing aircraft
Operational - Miscellaneous - Other
Operational - Miscellaneous - Security related
Operational - Miscellaneous - Warning Devices
Operational - Runway events - Depart / App / Land Wrong Runway
Operational - Runway events - Other
Operational - Runway events - Runway Excursion
Operational - Runway events - Runway Incursion
Operational - Runway events - Runway undershoot
Operational - Terrain Collisions - Collision with terrain
Operational - Terrain Collisions - Controlled flight into terrain
Operational - Terrain Collisions - Ground strike
Operational - Terrain Collisions - Wirestrike
Technical - Airframe - Doors / Exits
Technical - Airframe - Furnishings and fittings
Technical - Airframe - Fuselage / Wings / Empennage
Technical - Airframe - Landing gear / Indication
Technical - Airframe - Objects falling from aircraft
Technical - Airframe - Other
Technical - Airframe - Windows
Technical - Powerplant / propulsion - Abnormal engine indications
Technical - Powerplant / propulsion - Auxiliary power unit
Technical - Powerplant / propulsion - Engine failure or malfunction
Technical - Powerplant / propulsion - Other
Technical - Powerplant / propulsion - Propellers / Rotor malfunction
Technical - Powerplant / propulsion - Transmission and gearboxes
Technical - Systems - Air / Pressurisation
Technical - Systems - Anti-ice protection
Technical - Systems - Avionics / Flight Instruments
Technical - Systems - Datalink (UAS)
Technical - Systems - Electrical
Technical - Systems - Fire protection
Technical - Systems - Flight controls
Technical - Systems - Fuel
Technical - Systems - Hydraulic
Technical - Systems - Other