Phase of flight and conditions

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

7,593 of 183,329 records match these filters, leaving out 1,380 unreviewed and minor records. Include them

Phase of flight

The phase in which the NTSB's defining event happened.

Phase of flight
Phase	Occurrences	Share	Fatal occurrences	Fatalities
En route	En route: 1,819 occurrences, 24.0% of the occurrences shown. 176 were fatal. The bar is scaled to the largest row (Not recorded, 2,350).	24.0%	176	6,472
Landing	Landing: 1,016 occurrences, 13.4% of the occurrences shown. 33 were fatal. The bar is scaled to the largest row (Not recorded, 2,350).	13.4%	33	354
Approach	Approach: 567 occurrences, 7.5% of the occurrences shown. 124 were fatal. The bar is scaled to the largest row (Not recorded, 2,350).	7.5%	124	3,134
Taxi	Taxi: 544 occurrences, 7.2% of the occurrences shown. 11 were fatal. The bar is scaled to the largest row (Not recorded, 2,350).	7.2%	11	657
Takeoff	Takeoff: 478 occurrences, 6.3% of the occurrences shown. 30 were fatal. The bar is scaled to the largest row (Not recorded, 2,350).	6.3%	30	657
Initial climb	Initial climb: 403 occurrences, 5.3% of the occurrences shown. 66 were fatal. The bar is scaled to the largest row (Not recorded, 2,350).	5.3%	66	2,182
Standing	Standing: 353 occurrences, 4.6% of the occurrences shown. 34 were fatal. The bar is scaled to the largest row (Not recorded, 2,350).	4.6%	34	102
Pushback/towing	Pushback/towing: 114 occurrences, 1.5% of the occurrences shown. 4 were fatal. The bar is scaled to the largest row (Not recorded, 2,350).	1.5%	4	4
Prior to flight	Prior to flight: 33 occurrences, 0.4% of the occurrences shown. 1 were fatal. The bar is scaled to the largest row (Not recorded, 2,350).	0.4%	1	2
Unknown	Unknown: 25 occurrences, 0.3% of the occurrences shown. 11 were fatal. The bar is scaled to the largest row (Not recorded, 2,350).	0.3%	11	226
Maneuvering	Maneuvering: 21 occurrences, 0.3% of the occurrences shown. 8 were fatal. The bar is scaled to the largest row (Not recorded, 2,350).	0.3%	8	22
Other	Other: 15 occurrences, 0.2% of the occurrences shown. 1 were fatal. The bar is scaled to the largest row (Not recorded, 2,350).	0.2%	1	1
Uncontrolled descent	Uncontrolled descent: 14 occurrences, 0.2% of the occurrences shown. 13 were fatal. The bar is scaled to the largest row (Not recorded, 2,350).	0.2%	13	230
Emergency descent	Emergency descent: 2 occurrences, 0.0% of the occurrences shown. 1 were fatal. The bar is scaled to the largest row (Not recorded, 2,350).	0.0%	1	4
After landing	After landing: 1 occurrences, 0.0% of the occurrences shown. 0 were fatal. The bar is scaled to the largest row (Not recorded, 2,350).	0.0%	0	0
Not recorded	Not recorded: 2,350 occurrences, 30.9% of the occurrences shown. 1,800 were fatal. The bar is scaled to the largest row.	30.9%	1,800	61,684

Most common defining events

The NTSB picks one defining event per accident to group similar accidents. It is not meant to indicate or suggest a cause.

Most common defining events
Defining event	Occurrences	Share	Fatal occurrences	Fatalities
Engine failure or malfunction	Engine failure or malfunction: 284 occurrences, 3.7% of the occurrences shown. 50 were fatal. The bar is scaled to the largest row.	3.7%	50	282
Miscellaneous	Miscellaneous: 269 occurrences, 3.5% of the occurrences shown. 23 were fatal. The bar is scaled to the largest row (Engine failure or malfunction, 284).	3.5%	23	96
Turbulence	Turbulence: 226 occurrences, 3.0% of the occurrences shown. 7 were fatal. The bar is scaled to the largest row (Engine failure or malfunction, 284).	3.0%	7	136
Turbulence encounter	Turbulence encounter: 221 occurrences, 2.9% of the occurrences shown. 1 were fatal. The bar is scaled to the largest row (Engine failure or malfunction, 284).	2.9%	1	1
Ground-water loop-swerve	Ground-water loop-swerve: 121 occurrences, 1.6% of the occurrences shown. 2 were fatal. The bar is scaled to the largest row (Engine failure or malfunction, 284).	1.6%	2	51
Wheels-up	Wheels-up: 119 occurrences, 1.6% of the occurrences shown. 1 were fatal. The bar is scaled to the largest row (Engine failure or malfunction, 284).

Weather conditions

Visual (VMC) or instrument (IMC) meteorological conditions at the time of the event.

Weather conditions
Conditions	Occurrences	Share	Fatal occurrences	Fatalities
Visual Meteorological Cond	Visual Meteorological Cond: 3,524 occurrences, 46.4% of the occurrences shown. 269 were fatal. The bar is scaled to the largest row.	46.4%	269	4,901
Instrument Meteorological Cond	Instrument Meteorological Cond: 867 occurrences, 11.4% of the occurrences shown. 156 were fatal. The bar is scaled to the largest row (Visual Meteorological Cond, 3,524).	11.4%	156	4,205
Unknown	Unknown: 133 occurrences, 1.8% of the occurrences shown. 16 were fatal. The bar is scaled to the largest row (Visual Meteorological Cond, 3,524).	1.8%	16	606
Not recorded	Not recorded: 3,069 occurrences, 40.4% of the occurrences shown. 1,866 were fatal. The bar is scaled to the largest row (Visual Meteorological Cond, 3,524).	40.4%	1,866	65,819

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