DEFINITIONS FOR MOST COMMON TERMS
USED
IN OUR AIRCRAFT ACCIDENT INDEX
Listings that contain the code "(NR)" indicate
that no report exists. These incidents have been added to the index
for reference purposes, but we usually have only the information provided
in this index. This is a new field and
most are blank. They will be filled as we reindex all of the reports,
which is in work.
| Collision with Objects | Any accident in which the aircraft came in contact with any object in flight such as birds, wires, water, mountains, towers, or the ground. |
| Collision with Ground | Collision with ground is also used when an aircraft dove into the ground and no other cause cound be determined. |
| Forced Landing | A landing , either on land or water, made when it is impossible for the aircraft to remain airborne due to various reasons. |
| Landing Accident | Any accident that occurs during the action of bringing and aircraft down and to a stop including, approach, touchdown, and landing roll. |
| MACR-Aircraft Accident | Missing Air Crew Report that records information for aircraft and/or crew involved in an aircraft accident, most often also reported in an separate aircraft accident report. |
| MACR-Combat | Missing Air Crew Report that records information of aircraft and/or crew members lost in battle. |
| MACR-Missing Aircraft | Missing Air Crew Report that records information of aircraft and/or crew that did not return, but were likely not a result of enemy action often also reported in an aircraft accident report. |
| Mid-Air Collision | Any collision of two or more aircraft during flight. |
| Spin/Stall | Any accident resulted from a uncontrolled, nose-down verticle descent in which an aircraft revolves or otherwise drops due to separation of air flow. |
| Structural Failure | Any accident caused by failure of aircraft components, often coming off in flight, caused by material failure or external forces/conditions to the aircraft. |
| Take-Off Accident | Any accident during the action of getting the aircraft into the air. |
| Taxiing Accident | Any Accident during the movement of aircraft on the ground or water under the power of its own engines other than take-off and landing. |
| (2) | Number of individuals involved in this specific aircraft (if more than one) |
| (W) | Accident resulted in a total wreck of the aircraft (beyond economical repair) |
| (P) | Accident resulted in the use of a parachute |
| (F) | Accident resulted in one or more fatalities |
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