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

8,975 of 183,362 records: Airline. · Show all 183,362

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: 2,127 occurrences, 23.7% of the occurrences shown. 181 were fatal. The bar is scaled to the largest row (Not recorded, 2,723).	23.7%	181	6,478
Landing	Landing: 1,239 occurrences, 13.8% of the occurrences shown. 36 were fatal. The bar is scaled to the largest row (Not recorded, 2,723).	13.8%	36	360
Approach	Approach: 669 occurrences, 7.5% of the occurrences shown. 127 were fatal. The bar is scaled to the largest row (Not recorded, 2,723).	7.5%	127	3,140
Taxi	Taxi: 619 occurrences, 6.9% of the occurrences shown. 13 were fatal. The bar is scaled to the largest row (Not recorded, 2,723).	6.9%	13	659
Takeoff	Takeoff: 609 occurrences, 6.8% of the occurrences shown. 30 were fatal. The bar is scaled to the largest row (Not recorded, 2,723).	6.8%	30	657
Initial climb	Initial climb: 500 occurrences, 5.6% of the occurrences shown. 69 were fatal. The bar is scaled to the largest row (Not recorded, 2,723).	5.6%	69	2,187
Standing	Standing: 381 occurrences, 4.2% of the occurrences shown. 34 were fatal. The bar is scaled to the largest row (Not recorded, 2,723).	4.2%	34	102
Pushback/towing	Pushback/towing: 127 occurrences, 1.4% of the occurrences shown. 4 were fatal. The bar is scaled to the largest row (Not recorded, 2,723).	1.4%	4	4
Prior to flight	Prior to flight: 46 occurrences, 0.5% of the occurrences shown. 1 were fatal. The bar is scaled to the largest row (Not recorded, 2,723).	0.5%	1	2
Unknown	Unknown: 38 occurrences, 0.4% of the occurrences shown. 11 were fatal. The bar is scaled to the largest row (Not recorded, 2,723).	0.4%	11	226
Other	Other: 24 occurrences, 0.3% of the occurrences shown. 1 were fatal. The bar is scaled to the largest row (Not recorded, 2,723).	0.3%	1	1
Maneuvering	Maneuvering: 23 occurrences, 0.3% of the occurrences shown. 9 were fatal. The bar is scaled to the largest row (Not recorded, 2,723).	0.3%	9	24
Uncontrolled descent	Uncontrolled descent: 15 occurrences, 0.2% of the occurrences shown. 14 were fatal. The bar is scaled to the largest row (Not recorded, 2,723).	0.2%	14	233
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, 2,723).	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, 2,723).	0.0%	0	0
Not recorded	Not recorded: 2,723 occurrences, 30.3% of the occurrences shown. 1,807 were fatal. The bar is scaled to the largest row.	30.3%	1,807	61,802

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: 304 occurrences, 3.4% of the occurrences shown. 54 were fatal. The bar is scaled to the largest row.	3.4%	54	288
Miscellaneous	Miscellaneous: 277 occurrences, 3.1% of the occurrences shown. 28 were fatal. The bar is scaled to the largest row (Engine failure or malfunction, 304).	3.1%	28	101
Turbulence encounter	Turbulence encounter: 267 occurrences, 3.0% of the occurrences shown. 1 were fatal. The bar is scaled to the largest row (Engine failure or malfunction, 304).	3.0%	1	1
Turbulence	Turbulence: 256 occurrences, 2.9% of the occurrences shown. 7 were fatal. The bar is scaled to the largest row (Engine failure or malfunction, 304).	2.9%	7	136
Ground-water loop-swerve	Ground-water loop-swerve: 141 occurrences, 1.6% of the occurrences shown. 2 were fatal. The bar is scaled to the largest row (Engine failure or malfunction, 304).	1.6%	2	51
Wheels-up	Wheels-up: 132 occurrences, 1.5% of the occurrences shown. 1 were fatal. The bar is scaled to the largest row (Engine failure or malfunction, 304).

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: 3,738 occurrences, 41.6% of the occurrences shown. 281 were fatal. The bar is scaled to the largest row (Not recorded, 4,060).	41.6%	281	4,919
Instrument Meteorological Cond	Instrument Meteorological Cond: 966 occurrences, 10.8% of the occurrences shown. 161 were fatal. The bar is scaled to the largest row (Not recorded, 4,060).	10.8%	161	4,219
Unknown	Unknown: 211 occurrences, 2.4% of the occurrences shown. 18 were fatal. The bar is scaled to the largest row (Not recorded, 4,060).	2.4%	18	619
Not recorded	Not recorded: 4,060 occurrences, 45.2% of the occurrences shown. 1,872 were fatal. The bar is scaled to the largest row.	45.2%	1,872	65,922

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