Cause findings

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

1,864 of 183,362 records: 1 more filter, leaving out 156 unreviewed and minor records. Include them · Show all 183,362

1,798 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: 172 occurrences, 9.6% of occurrences with cause findings. 3 were fatal. The bar is scaled to the largest row.	9.6%	3	5
Reason for occurrence undetermined	Reason for occurrence undetermined: 152 occurrences, 8.5% of occurrences with cause findings. 34 were fatal. The bar is scaled to the largest row (Pilot in command › Directional control, not maintained, 172).	8.5%	34	59
Pilot in command › Aircraft control, not maintained	Pilot in command › Aircraft control, not maintained: 138 occurrences, 7.7% of occurrences with cause findings. 53 were fatal. The bar is scaled to the largest row (Pilot in command › Directional control, not maintained, 172).	7.7%	53	89
Pilot in command › Clearance, not maintained	Pilot in command › Clearance, not maintained: 105 occurrences, 5.8% of occurrences with cause findings. 39 were fatal. The bar is scaled to the largest row (Pilot in command › Directional control, not maintained, 172).	5.8%	39	54
Pilot in command › Airspeed, not maintained	Pilot in command › Airspeed, not maintained: 101 occurrences, 5.6% of occurrences with cause findings. 47 were fatal. The bar is scaled to the largest row (Pilot in command › Directional control, not maintained, 172).	5.6%	47	78
Pilot in command › Compensation for wind conditions, inadequate	Pilot in command › Compensation for wind conditions, inadequate: 78 occurrences, 4.3% of occurrences with cause findings. 1 were fatal. The bar is scaled to the largest row (Pilot in command › Directional control, not maintained, 172).	4.3%	1	2
Fluid, fuel › Exhaustion	Fluid, fuel › Exhaustion: 57 occurrences, 3.2% of occurrences with cause findings. 9 were fatal. The bar is scaled to the largest row (Pilot in command › Directional control, not maintained, 172).	3.2%	9	12
Pilot in command › Flare, improper	Pilot in command › Flare, improper: 54 occurrences, 3.0% of occurrences with cause findings. 0 were fatal. The bar is scaled to the largest row (Pilot in command › Directional control, not maintained, 172).	3.0%	0	0
Pilot in command › Altitude/clearance, not maintained	Pilot in command › Altitude/clearance, not maintained: 44 occurrences, 2.4% of occurrences with cause findings. 26 were fatal. The bar is scaled to the largest row (Pilot in command › Directional control, not maintained, 172).	2.4%	26	51
Pilot in command › In-flight planning/decision, improper	Pilot in command › In-flight planning/decision, improper: 40 occurrences, 2.2% of occurrences with cause findings. 15 were fatal. The bar is scaled to the largest row (Pilot in command › Directional control, not maintained, 172).	2.2%	15	24

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