NTSB investigations, 1991, CA
180,658 investigations by the National Transportation Safety Board since 1962: 174,636 accidents, the rest incidents and other occurrences. Each has NTSB’s narrative and, once the investigation is done, its probable cause; since 2008, its findings and sequence of events.
Cases per year
| 1962 | 10 |
|---|---|
| 1963 | 11 |
| 1964 | 659 |
| 1965 | 654 |
| 1966 | 755 |
| 1967 | 799 |
| 1968 | 668 |
| 1969 | 613 |
| 1970 | 617 |
| 1971 | 605 |
| 1972 | 510 |
| 1973 | 499 |
| 1974 | 523 |
| 1975 | 488 |
| 1976 | 484 |
| 1977 | 497 |
| 1978 | 548 |
| 1979 | 473 |
| 1980 | 472 |
| 1981 | 403 |
| 1982 | 391 |
| 1983 | 441 |
| 1984 | 388 |
| 1985 | 329 |
| 1986 | 316 |
| 1987 | 315 |
| 1988 | 322 |
| 1989 | 289 |
| 1990 | 318 |
| 1991 | 291 |
| 1992 | 277 |
| 1993 | 260 |
| 1994 | 242 |
| 1995 | 237 |
| 1996 | 223 |
| 1997 | 182 |
| 1998 | 212 |
| 1999 | 186 |
| 2000 | 222 |
| 2001 | 183 |
| 2002 | 176 |
| 2003 | 182 |
| 2004 | 171 |
| 2005 | 191 |
| 2006 | 187 |
| 2007 | 207 |
| 2008 | 158 |
| 2009 | 187 |
| 2010 | 158 |
| 2011 | 141 |
| 2012 | 134 |
| 2013 | 128 |
| 2014 | 117 |
| 2015 | 118 |
| 2016 | 119 |
| 2017 | 162 |
| 2018 | 119 |
| 2019 | 114 |
| 2020 | 105 |
| 2021 | 94 |
| 2022 | 111 |
| 2023 | 103 |
| 2024 | 101 |
| 2025 | 91 |
| 2026 | 82 |
Where
Open the mapLatest cases
Query with SQL
duckdb -csv -c "SELECT c.\"ntsbNumber\", c.\"eventDate\", c.\"eventType\", c.\"eventCity\", c.\"eventStateOrRegion\", a.n_number, a.\"aircraftMake\", a.\"aircraftModel\", c.\"highestInjuryLevel\", c.\"totalFatal\", c.\"completionStatus\", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c.\"mKey\" AND a.position = 1
WHERE year(c.\"eventDate\") = 1991
AND c.\"eventStateOrRegion\" = 'CA' AND c.\"eventCountry\" = 'USA'
ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1 WHERE year(c."eventDate") = 1991 AND c."eventStateOrRegion" = 'CA' AND c."eventCountry" = 'USA' ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB LAX92LA074Accident · Minor injuriesLimited investigationFinal reportPiper PA32RT-300 · Big Bear City, CAThe failure of the pilot to maintain directional control and improper use of the rudder. Contributing to the accident was the improper installation by the company of a hand control mechanism that required the pilot to operate the airplane controls with one…NTSB LAX92LA073Accident · No injuriesLimited investigationFinal reportCessna 150F · Lancaster, CAThe pilot misjudging the landing flare. A factor in the accident was the pilot's lack of total flight experience.NTSB LAX92LA070Accident · 2 fatalLimited investigationFinal reportBellanca 7KCAB · Happy Camp, CAThe excessive nature of the maneuvers attempted by the pilot at a low altitude during the takeoff initial climb, the failure of the pilot to maintain proper pitch attitude and airspeed to avoid an aerodynamic stall, and inadequate altitude to perfrom…NTSB LAX92LA069Accident · No injuriesLimited investigationFinal reportGates Learjet Lear 25B · Carlsbad, CAThe pilot not attaining the proper touchdown point because of excessive altitude and airspeed, and the pilot's failure to perform a go-around. A factor in this accident was the rough and uneven terrain which was encountered after the aircraft departed the…NTSB LAX92LA068Accident · No injuriesLimited investigationFinal reportCessna 210K · Watsonville, CAThe pilot's inadequate fuel calculation and failure to service the airplane's fuel tanks with adequate quantities of fuel to compete the fights. The loss of engine power resulting from fuel exhaustion was a factor in the accident.NTSB LAX92FA067Accident · 2 fatalField investigationFinal reportCessna 152 · Ventura, CAThe failure of the pilot to maintain adequate altitude above the ground to recover from an inadvertent stall. Contributing to the accident was the pilot's handling of the aircraft specifically an excessive angle of attack which resulted in reduced airspeed…NTSB LAX92LA066Accident · No injuriesLimited investigationFinal reportCessna 150G · Point Mugu, CAThe pilot's disregard of the available wind information. Contributing to this accident was a high tail wind.NTSB LAX92LA063Accident · Serious injuriesLimited investigationFinal reportPiper PA34-200T · San Andreas, CAThe failure of the nonmultiengine/instrument rated pilot in command to accomplish the proper emergency procedure during a loss of engine power. Contributing to the accident was the pilot's improper training, lack of instrument experience, heavy fog reported…NTSB LAX92LA062Accident · No injuriesLimited investigationFinal reportCessna 210M · Palo Alto, CAAn engine power loss due to a partial blockage of the fuel selector valve with debris.NTSB LAX92LA057Accident · 1 fatalLimited investigationFinal reportPiper PA-34-200T · Pine Valley, CAThe pilot's failure to monitor the proper altitude over obserable rising terrain. A contributing factor was the pilot's encounter with a strong downdraft.NTSB LAX92LA061Accident · No injuriesLimited investigationFinal reportNorth American-Kenney T-28D-5, NA-260 · Bermuda Dunes, CAAn inadequate annual inspection performed by the mechanic. Contributing to this accident was the deterioration of the fuel bladder self-sealing lining and partial blockage of the fuel screens.NTSB LAX92LA060Accident · No injuriesLimited investigationFinal reportCessna 180 · Bakersfield, CAThe pilot's failure to maintain directional control of the aircraft during the landing roll due to inadequate compensation for the existing wind conditions. A factor in the accident was the pilot's lack of total experience.NTSB LAX92FA064Accident · 1 fatalField investigationFinal reportGlasair SH-2R · Nuevo, CAThe failure of the pilot to perform preventative maintenance on the airplane's powerplant which resulted in a loss of performance during an unknown phase of operation. Contributing to the accident was fouled spark plugs and the partial loss of aircraft…NTSB LAX92LA056Accident · No injuriesLimited investigationFinal reportPiper PA22-150 · Palo Alto, CAThe pilot's failure to maintain directional control during the landing rollout.NTSB LAX92LA055Accident · No injuriesLimited investigationFinal reportCessna 421B · San Andreas, CAThe pilot's inadequate preflight inspection and his failure to follow the airplane's checklist. A contributing factor was the dark night condition.NTSB LAX92FA054Accident · 4 fatalField investigationFinal reportAerospatiale SA 316B · Bridgeport, CAFailure of the helicopter's tail rotor drive shaft and drive shaft bearing due to undetermined reason(s).NTSB LAX92LA053Accident · No injuriesLimited investigationFinal reportCessna 180 · Long Beach, CAThe failure of the pilot to maintain directional control during the landing touchdown.NTSB LAX92LA050Accident · 1 fatalLimited investigationFinal reportSpeyer Avid Amphibian · San Ysidro, CAFailure of the pilot/builder to follow the manufacturer's recommended airframe modification procedure to prevent the inflight loss of a flaperon due to flutter. Contributing to the accident was in inflight separation of the wing when the design limits of the…NTSB LAX92FA047Accident · 3 fatalField investigationFinal reportBell 206BIII · Davis, CAThe decision of the pilot to continue night low level flight in forecasted adverse weather conditions. Contributing to the accident was the foggy weather and dark night conditions which restricted the pilot's visual outlook.NTSB LAX92LA046Accident · 2 fatalLimited investigationFinal reportBellanca 7ECA · Fremont, CAThe pilot-in-command's failure to maintain an airspeed above the stall speed. His over confidence in his personal ability, lack of familiarity with the aircraft, and his inadequate training in acrobatic flight were factors in the accident.NTSB LAX92FA283Accident · 5 fatalField investigationFinal reportCessna 336A · Big Bear City, CA1) The pilot inadequately evaluating the weather, and 2) the pilot making the inflight decision to continue flight into adverse weather conditions. Factors in this accident were 1) the inability of the pilot to see the mountainous terrain due to the ambient…NTSB LAX92FA043Accident · 3 fatalField investigationFinal reportCessna 172M · Carmel Valley, CAThe pilot's failure to maintain a safe altitude above the ground during an intentional low altitude flight in mountainous terrain. Contributing factors related to the pilot becoming distracted while flying over the ground and to his failure to initiate a…NTSB LAX92LA048Accident · No injuriesLimited investigationFinal reportCessna 182H · Fortuna, CAThat the pilot misjudged the flare altitude. Contributing to the accident was the failure of the flight instructor to adequately supervise the flight.NTSB LAX92LA052Accident · No injuriesLimited investigationFinal reportCessna 195A · Camarillo, CAThe failure of the pilot to maintain directional control during the landing ground roll.NTSB LAX92LA037Accident · No injuriesLimited investigationFinal reportCessna 180 · Sacramento, CAThe partial failure of the brake system due to contamination.NTSB LAX92LA036Accident · No injuriesLimited investigationFinal reportCessna 152 · Hayward, CAThe failure of the pilot to maintain directional control of the aircraft after it settled back onto the runway following a premature takeoff rotation. A factor in the accident was the lack of total experience of the pilot.NTSB LAX92LA038Accident · No injuriesLimited investigationFinal reportQuestaire Venture · San Luis Obispo, CAThe pilot's inability to control the aircraft during the landing roll due to a failure of the left brake and nose wheel steering systems. The failure of the brake and steering systems was due to a deterioration of the 'o' ring seals caused by the use of…NTSB LAX92LA035Accident · No injuriesLimited investigationFinal reportCessna 210 · San Diego, CAThe total loss of engine power due to unknown reason(s). A factor in this accident was the lack of suitable terrain to land the airplane, without incurring damage to the airplane.NTSB LAX92LA034Accident · No injuriesLimited investigationFinal reportRobinson R-22B · Riverside, CAThe failure of the engine to transmission drive belt and the pilots failure to correctly judge of the landing flare during the subsequent autorotation.NTSB LAX92LA032Accident · No injuriesLimited investigationFinal reportCessna 152 · Reedley, CAThe student pilot's improper use of the flight controls and his failure to maintain directional control of the aircraft. A contributing factor in the accident was the students lack of total experience.NTSB LAX92LA031Accident · No injuriesLimited investigationFinal reportCessna T210L · Van Nuys, CAThe inadvertent loss of control during the initial climb after takeoff that resulted from the collapse of the rudder pedal because of a worn locking pin hole in the rudder pedal stowing system, which allowed the pin to disengage.NTSB LAX92LA028Accident · No injuriesLimited investigationFinal reportGrumman G-164 · Pauma, CAFuel starvation due to a restricted fuel tank vent line. Contributing to the accident was inadequate maintenance.NTSB LAX92LA023Accident · Minor injuriesLimited investigationFinal reportPiper PA28-140 · Chiriaco Summit, CAThe delayed actions of the pilot-in-command in selecting a go-around ND subsequent loss of directional control which resulted in the airplane drifting off the runway centerline and colliding with terrain. Contributing to the accident was failure of the pilot…NTSB LAX92LA029Accident · 3 fatalLimited investigationFinal reportBell 206B · Vallejo, CAThe pilot's intentional flight into known adverse weather, continued flight into instrument meteorological conditions, and improper altitude. Contributing to the accident was low ceilings, poor visibility, and restricted visual lookout.NTSB LAX92FA017Accident · 2 fatalField investigationFinal reportCessna 414 · Long Beach, CAThe pilot's improper emergency procedures by not retracting the landing gear when he shut the engine down and his failure to maintain airspeed. The scavenge pump failure, shutting down the engine and the inadvertent stall were factors in the accident.NTSB LAX92LA024Accident · Minor injuriesLimited investigationFinal reportCessna 152 · Willits, CAThe pilot's poor in-flight decision to continue his flight in deteriorating weather, and his misjudged weather evaluation.NTSB LAX92LA022Accident · No injuriesLimited investigationFinal reportPiper PA-28-160 · Compton, CAThe improper maintenance of the alternator's drive belt by the aircraft owner which resulted in its total failure. A factor which contributed to the accident was the inadequate distance available for the pilot to stop the airplane.NTSB LAX92LA021Accident · Serious injuriesLimited investigationFinal reportSchweizer SGS-2-33A · Fremont, CAThe pilot's inadequate altitude on final approach.NTSB LAX92LA019Accident · 1 fatalLimited investigationFinal reportCessna 120 · Olancha, CAFailure of the pilot to maintain adequate airspeed resulting in an inadvertent stall while on final approach. Factors were the high density altitude and the pilot's poor approach planning.NTSB LAX92LA015Accident · Serious injuriesLimited investigationFinal reportPiper PA 24-250 · Linden, CAThe pilot in command inaccurately calculating the aircraft's fuel consumption, and not re-fueling the aircraft prior to takeoff from his last departure point. This resulted in a power loss due to fuel exhaustion. A factor in this accident was the unsuitable…NTSB LAX92LA013Accident · No injuriesLimited investigationFinal reportStinson 108-8 · Susanville, CAAn inadvertent stall due to the failure of the pilot to maintain a correct airspeed during the approach.NTSB LAX92LA012Accident · No injuriesLimited investigationFinal reportBeech K35 · Grass Valley, CAThe inadvertent encounter with a microburst/downburst phenomena associated with thunderstorm activity. A factor in the accident was the failure of the pilot to adequately assess the weather conditions during the landing attempt.NTSB LAX92LA011Accident · No injuriesLimited investigationFinal reportCessna 152 · Van Nuys, CAThe student pilot's improper landing flare which resulted in a hard landing and the buckling of the airplane's nose gear.NTSB LAX92LA009Accident · No injuriesLimited investigationFinal reportCessna 210 · Riverside, CAThe failure of a hydraulic gear return line, which caused the aircraft's main landing gear to collapse during landing touchdown.NTSB LAX92LA007Accident · No injuriesLimited investigationFinal reportCessna 421C · Santa Monica, CAThe failure of the pilot of the other aircraft to maintain an adequate visual lookout while taxiing his aircraft.NTSB LAX92LA004Accident · Serious injuriesLimited investigationFinal reportPiper PA-28-140 · Santa Rosa, CAThe failure of the student pilot to maintain control of the aircraft during a recovery from a bounced landing.NTSB LAX92LA003Accident · Minor injuriesLimited investigationFinal reportCessna C-172N · Palo Alto, CAAn inflight los of control due to the failure of the student pilot to correctly configure the rudder trim for takeoff.NTSB LAX92LA002Accident · No injuriesLimited investigationFinal reportCano Avid Flyer · Sonora, CAFuel starvation due to vapor lock.NTSB LAX92LA001Accident · Serious injuriesLimited investigationFinal reportBeech A36TC · Dunsmuir, CA1) Improper preflight planning by the aircraft owner, 2) failure of the owner to refuel the aircraft, 3) operation of the aircraft by the owner and a mechanic at a known fuel state below the minimum required for takeoff, and 4) failure of the mechanic to…NTSB LAX91LA414Accident · No injuriesLimited investigationFinal reportLet L-13 · Adelanto, CAImproper planning/decision by the pilot. Loss of thermal lift was a related factor.