An occurrence, other than an accident, associated with the operation of an aircraft which affects or could affect the safety of operation.
Other occurrence.
Safety occurrences that can not be defined as 'accident', or 'incident'. Usually these cases involve aircraft being damaged (beyond repair) on the ground as a result of hurricanes, typhoons, sabotage, hangar fires etc.
Unfiled occurrence.
Insufficient information is available to determine the exact type of occurrence.
Write-off / hull-loss (Aviation Safety Network).
Airplane damage that is beyond economic repair. Hull loss / write-off also include events in which:
• Airplane is missing
• Search for the wreckage has been terminated without it being located
• Airplane is substantially damaged and inaccessible
Status:
Status of the information. Final means that the official final investigation report was used to compile the accident description. Preliminary- Official means that the official preliminary investigation report was used and Preliminary means press information and other unofficial information was used.
Date:
Date of occurrence (local time), format DD MMM YYYY. DD or MMM becomes XX or XXX if the exact day or month of an occurrence is unknown.
Time:
Time of the accident – local time.
*Note: for approx. 200 occurrences UTC time is mentioned; this needs to be converted to local time. Especially for older accidents this can be difficult as research needs to be done regarding dates when daylight saving time became into effect.
Type:
Manufacturer and exact model involved in the accident. For Boeing models for instance a (first) customer code is being used. The second and third digits indicate this code. Customer code for Boeing 747-206 is '06', which is KLM.
Where possible the name of the manufacturer is used at the time the airplane in question was built. For example, the MD-11 remains “McDonnell Douglas MD-11” and does not become Boeing MD-11 or Boeing (McDD) MD-11.
Operator / Operating for:
The company, organisation or individual operating the aircraft at the time of the accident. This does not necessarily have to be the owner.
Leased from:
The company, organisation or individual that owns the aircraft, but did not operate it at the time of the accident.
Registration:
The registrationmark applied on the the aircaft at the time of the accident. Airplanes involved in some occurrences carried illegal/unofficial registration marks. In these cases the unofficial registration is given.
Msn / C/n:
Manufacturer serial number/construction number. Some manufacturers like Boeing and McDonnell Douglas include the line number, preceded by a /. Thus a Boeing 767, c/n 24542/28 means it has construction number 24542, and that it is the 28th B767 off the production line. Construction numbers for each manufacturer are usually unique.
Year built:
Year the aircraft in question was manufactured.
Engines:
Number and type (model and mark) of engines.
Total airframe hrs:
Total airframe hours at the time of the accident.
Cycles:
Total number of take-offs and landings at the time of the accident.
Crew:
Exact number of flight- and cabincrew members aboard the aircraft at the time of departure, and number of passengers fatally injured as a direct result of the accident. An injury is classified as fatal if death results from the injury within 30 days from the date of the accident (ICAO) Deadheading crewmembers are judged 'passengers'.
Passengers:
Number of passengers aboard the aircraft at the time of departure, and number of passengers fatally injured as a direct result of the accident.
An injury is classified as fatal if death results from the injury within 30 days from the date of the accident (ICAO)
Total: Number of occupants (crew + passengers) aboard the aircraft at the time of the accident, and number of occupants fatally injured as a direct result of the accident. An injury is classified as fatal if death results from the injury within 30 days from the date of the accident (ICAO).
Ground casualties:
Number of fatalities on the ground as a direct result of the occurrence. Ground casualties exclude fatalities as a result of an airplane collision on the ground.
See also: COLLISION CASUALTIES
Collision casualties:
Number of fatalities aboard other aircraft involved in collision accidents.
Airplane damage:
Describes the amount of damage to the airplane as a result of the occurrence. Possible values are: Written off (See also: DEFINITIONS), Substantial, Minor, None, and Unknown.
Airplane fate:
Describes the amount of damage to the airplane as a result of the occurrence. Possible values are: Written off (See also: DEFINITIONS), Substantial, Minor, None, and Unknown.
Location:
Location
Exact location of the accident, or the distance from the crash location relative to the nearest significant inhabited place or airport