Cause findings

Not a complete record. A partial collection of documented occurrences: counts, not rates, and no measure of aviation risk. Coverage

1,907 of 183,362 records: 1 more filter, leaving out 122 unreviewed and minor records. Include them · Show all 183,362

1,830 occurrences have findings that the NTSB designated as a cause. These are the most common areas of those findings; an occurrence can have causes in several areas. Share is of occurrences with cause findings.

Cause areas
Cause area	Occurrences	Share	Fatal occurrences	Fatalities
Pilot in command › Directional control, not maintained	Pilot in command › Directional control, not maintained: 166 occurrences, 9.1% of occurrences with cause findings. 2 were fatal. The bar is scaled to the largest row.	9.1%	2	3
Reason for occurrence undetermined	Reason for occurrence undetermined: 129 occurrences, 7.0% of occurrences with cause findings. 32 were fatal. The bar is scaled to the largest row (Pilot in command › Directional control, not maintained, 166).	7.0%	32	44
Pilot in command › Aircraft control, not maintained	Pilot in command › Aircraft control, not maintained: 128 occurrences, 7.0% of occurrences with cause findings. 56 were fatal. The bar is scaled to the largest row (Pilot in command › Directional control, not maintained, 166).	7.0%	56	101
Pilot in command › Airspeed, not maintained	Pilot in command › Airspeed, not maintained: 104 occurrences, 5.7% of occurrences with cause findings. 52 were fatal. The bar is scaled to the largest row (Pilot in command › Directional control, not maintained, 166).	5.7%	52	87
Pilot in command › Clearance, not maintained	Pilot in command › Clearance, not maintained: 94 occurrences, 5.1% of occurrences with cause findings. 29 were fatal. The bar is scaled to the largest row (Pilot in command › Directional control, not maintained, 166).	5.1%	29	50
Pilot in command › Compensation for wind conditions, inadequate	Pilot in command › Compensation for wind conditions, inadequate: 74 occurrences, 4.0% of occurrences with cause findings. 0 were fatal. The bar is scaled to the largest row (Pilot in command › Directional control, not maintained, 166).	4.0%	0	0
Fluid, fuel › Exhaustion	Fluid, fuel › Exhaustion: 49 occurrences, 2.7% of occurrences with cause findings. 1 were fatal. The bar is scaled to the largest row (Pilot in command › Directional control, not maintained, 166).	2.7%	1	1
Pilot in command › Altitude/clearance, not maintained	Pilot in command › Altitude/clearance, not maintained: 41 occurrences, 2.2% of occurrences with cause findings. 26 were fatal. The bar is scaled to the largest row (Pilot in command › Directional control, not maintained, 166).	2.2%	26	45
Pilot in command › In-flight planning/decision, inadequate	Pilot in command › In-flight planning/decision, inadequate: 41 occurrences, 2.2% of occurrences with cause findings. 12 were fatal. The bar is scaled to the largest row (Pilot in command › Directional control, not maintained, 166).	2.2%	12	22
Pilot in command › In-flight planning/decision, improper	Pilot in command › In-flight planning/decision, improper: 37 occurrences, 2.0% of occurrences with cause findings. 9 were fatal. The bar is scaled to the largest row (Pilot in command › Directional control, not maintained, 166).	2.0%	9	16

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