# NTSB investigations: Lycoming IO-360-A1B6D, CA NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports. ## Latest cases - [NTSB WPR25FA146](https://openairdocs.org/ntsb/WPR25FA146.md): Cessna 177RG · Grass Valley, CA · Accident · 1 fatal · Class 3 · Field · Final report · May 1, 2025 · N52156 · Substantial damage > An improperly tightened B-nut fitting at the fuel flow divider, which resulted in a fuel leak and loss of engine power due to fuel starvation, and the inadequate maintenance inspection, which failed to detect and correct the discrepancy. - [NTSB WPR22LA373](https://openairdocs.org/ntsb/WPR22LA373.md): Cessna 177RG · Avalon, CA · Accident · No injuries · Class 4 · Limited · Final report · Aug 18, 2022 · N52946 · Substantial damage > The pilot’s failure to extend the landing gear before landing, resulting in a gear up landing and substantial damage to the airplane’s belly. - [NTSB WPR22LA287](https://openairdocs.org/ntsb/WPR22LA287.md): Cessna 177RG · Livermore, CA · Accident · No injuries · Class 3 · Limited · Final report · Jul 30, 2022 · N2591V · Substantial damage > The total loss of engine power due to an inadequately maintained fuel injection servo. - [NTSB WPR20LA117](https://openairdocs.org/ntsb/WPR20LA117.md): Cessna 177RG · Santa Paula, CA · Accident · No injuries · Class 3 · Limited · Final report · Apr 5, 2020 · N98SW · Substantial damage > The pilot’s failure to ensure adequate fuel onboard for the planned flight, which resulted in a total loss of engine power due to fuel exhaustion. - [NTSB WPR18FA279](https://openairdocs.org/ntsb/WPR18FA279.md): Cessna 177RG · La Verne, CA · Accident · 1 fatal · Class 2 · Field · Final report · Sep 30, 2018 · N46321 · Substantial damage > The pilot's failure to maintain adequate airspeed and the exceedance of the airplane's critical angle of attack during a turn, which resulted in an aerodynamic stall and subsequent loss of control. Contributing to the accident was an undetermined engine… - [NTSB GAA17CA505](https://openairdocs.org/ntsb/GAA17CA505.md): Cessna 177RG · Byron, CA · Accident · No injuries · Data collection · Final report · Aug 22, 2017 · N8053G · Substantial damage > The pilot’s improper preflight fuel planning, which resulted in a loss of engine power due to fuel exhaustion. - [NTSB WPR17LA142](https://openairdocs.org/ntsb/WPR17LA142.md): Cessna 177RG · Vacaville, CA · Accident · Minor injuries · Limited investigation · Final report · Jul 7, 2017 · N7532V · Substantial damage > The total loss of engine power during initial climb for reasons that could not be determined because postaccident examination of the engine revealed no mechanical failure or malfunction that would have precluded normal operation. - [NTSB GAA16CA074](https://openairdocs.org/ntsb/GAA16CA074.md): Cessna 177 · Palm Springs, CA · Accident · No injuries · Data collection · Final report · Nov 14, 2015 · N2112Q · Substantial damage > The failure of a shaft seal at the nose gear retraction/extension actuator, which resulted in a loss of hydraulic fluid and a main landing gear collapse during landing. - [NTSB LAX08CA276](https://openairdocs.org/ntsb/LAX08CA276.md): Cessna 177RG · Lake Tahoe, CA · Accident · No injuries · Data collection · Final report · Aug 19, 2008 · N8053G · Substantial damage > The pilot's inadequate compensation for the wind and density altitude conditions and failure to attain and maintain an adequate airspeed that resulted in a stall/mush. - [NTSB SEA08CA106](https://openairdocs.org/ntsb/SEA08CA106.md): Cessna 177RG · Redding, CA · Accident · No injuries · Data collection · Final report · Apr 8, 2008 · N1925Q · Substantial damage > The failure of the pilot under instruction to lower the landing gear, the failure of both pilots to follow the landing checklist, and the flight instructor's inadequate supervision of the flight. - [NTSB LAX07CA276](https://openairdocs.org/ntsb/LAX07CA276.md): Cessna 177RG · Compton, CA · Accident · No injuries · Data collection · Final report · Sep 16, 2007 · N1844Q · Substantial damage > the pilot misjudged the flare resulting in a hard landing and loss of aircraft control. - [NTSB SEA07LA187](https://openairdocs.org/ntsb/SEA07LA187.md): Cessna 177RG · Fresno, CA · Accident · No injuries · Limited investigation · Final report · Jun 26, 2007 · N47RH · Substantial damage > The pilot's failure to maintain directional control of the airplane during takeoff. - [NTSB SEA07LA172](https://openairdocs.org/ntsb/SEA07LA172.md): Cessna 177RG · Oceanside, CA · Accident · Minor injuries · Limited investigation · Final report · Jun 19, 2007 · N2144Q · Substantial damage > The improper installation of the propeller governor (gasket) by maintenance personnel, which resulted in a oil exhaustion induced total loss of engine power. Contributing to the accident was the lack of suitable terrain for the forced landing. - [NTSB LAX07CA146](https://openairdocs.org/ntsb/LAX07CA146.md): Cessna 177RG · Perris, CA · Accident · Minor injuries · Data collection · Final report · Apr 30, 2007 · N177R · Substantial damage > a loss of engine power while in cruise flight due to an improperly installed magneto housing by the owner/pilot. - [NTSB LAX07LA122](https://openairdocs.org/ntsb/LAX07LA122.md): Scottish Bulldog 120 · So Lake Tahoe, CA · Accident · 1 fatal · Limited investigation · Final report · Apr 8, 2007 · N706X · Substantial damage > The pilot's failure to maintain clearance from objects and the mountainous terrain. - [NTSB LAX06CA239](https://openairdocs.org/ntsb/LAX06CA239.md): Cessna 177RG · Camarillo, CA · Accident · No injuries · Data collection · Final report · Jul 19, 2006 · N34480 · Substantial damage > the pilot's failure to extended the landing gear and verify the proper landing gear configuration prior to landing, resulting in a gear-up landing. - [NTSB LAX06LA058](https://openairdocs.org/ntsb/LAX06LA058.md): Cessna 177RG · Dixon, CA · Accident · 1 fatal · Limited investigation · Final report · Dec 15, 2005 · N8040G · Substantial damage > the pilot's intentional flight at low altitude and failure to maintain obstacle clearance with a high tension static line. The glare from the setting sun was a factor. - [NTSB LAX03LA136](https://openairdocs.org/ntsb/LAX03LA136.md): Cessna 177RG · Redding, CA · Accident · No injuries · Limited investigation · Final report · Apr 11, 2003 · N1925Q · Substantial damage > The pilot's improper engine starting procedures, and his failure to maintain clearance with a parked airplane, resulting in a collision with the parked and unoccupied airplane. - [NTSB LAX01LA193](https://openairdocs.org/ntsb/LAX01LA193.md): Cessna 177RG · Pauma Valley, CA · Accident · Minor injuries · Limited investigation · Final report · May 27, 2001 · N8287G · Substantial damage > The pilot's intentional flight into instrument meteorological conditions and failure to maintain clearance from terrain during an approach for landing under visual flight rules. - [NTSB LAX01LA062](https://openairdocs.org/ntsb/LAX01LA062.md): Cessna 177RG · San Carlos, CA · Accident · No injuries · Limited investigation · Final report · Dec 21, 2000 · N2102Q · Substantial damage > A loss of engine power for undetermined reasons during an extended downwind leg in the landing pattern. - [NTSB LAX99LA243](https://openairdocs.org/ntsb/LAX99LA243.md): Cessna 177RG · Quincy, CA · Accident · Minor injuries · Limited investigation · Final report · Jul 5, 1999 · N2175Q · Substantial damage > the pilot's failure to attain and maintain an adequate airspeed for the existing wind conditions, and, his failure to abort the takeoff when it became apparent that the aircraft performance was not as anticipated. Factors in the accident were the tailwind and… - [NTSB LAX96LA270](https://openairdocs.org/ntsb/LAX96LA270.md): Cessna 177RG · Folsom, CA · Accident · No injuries · Limited investigation · Final report · Jul 13, 1996 · N52185 · Substantial damage > An oil starvation failure of the engine due to a mechanic's failure to put the proper gasket stack on when the propeller governor was replaced. The mechanic's omission was due to the airframe manufacturer's failure to ensure that the service and parts manuals… - [NTSB LAX96LA029](https://openairdocs.org/ntsb/LAX96LA029.md): Cessna 177RG · Madera, CA · Accident · Minor injuries · Limited investigation · Final report · Oct 30, 1995 · N4110C · Substantial damage > Fuel exhaustion due to the pilot's improper preflight planning and failure to ensure that adequate fuel was onboard to complete the flight. Darkness was a related factor. - [NTSB LAX95LA187](https://openairdocs.org/ntsb/LAX95LA187.md): Cessna 177RG · Oakland, CA · Accident · Minor injuries · Limited investigation · Final report · May 14, 1995 · N34938 · Destroyed > The pilot's poor preflight planning/preparation by exceeding the airplane certificated maximum allowable takeoff gross weight and failure to abort the takeoff in a timely manner. The ditch was a factor in this accident. - [NTSB LAX95LA009](https://openairdocs.org/ntsb/LAX95LA009.md): Cessna 177RG · Laytonville, CA · Accident · No injuries · Limited investigation · Final report · Oct 15, 1994 · N7577V · Substantial damage > were the pilot's failure to maintain the proper airspeed and attain the proper touchdown point. - [NTSB LAX94FA318](https://openairdocs.org/ntsb/LAX94FA318.md): Cessna 177RG · So. Lake Tahoe, CA · Accident · 4 fatal · Field investigation · Final report · Aug 12, 1994 · N217AF · Destroyed > The pilot's decision to take off from a high density altitude airport at an over allowable gross weight condition. Factors in the accident were the high density altitude, down drafts, and the pilot's lack of familiarity operting from high density altitude… - [NTSB LAX94LA068](https://openairdocs.org/ntsb/LAX94LA068.md): Cessna 177RG · Santa Monica, CA · Accident · No injuries · Limited investigation · Final report · Dec 7, 1993 · N52039 · Substantial damage > The pilot's failure to attain the proper touchdown point and improper recovery from a bounced landing. - [NTSB LAX94FA004](https://openairdocs.org/ntsb/LAX94FA004.md): Cessna 177RG · Petaluma, CA · Accident · 4 fatal · Field investigation · Final report · Oct 3, 1993 · N45022 · Destroyed > VFR flight by the pilot(s) into instrument meteorological conditions (IMC), and failure to maintain a proper altitude and/or clearance from terrain, while approaching the destination airport. Factors related to the accident were: the low ceiling and terrain. - [NTSB LAX93LA340](https://openairdocs.org/ntsb/LAX93LA340.md): Cessna 177RG · Cameron Park, CA · Accident · No injuries · Limited investigation · Final report · Aug 28, 1993 · N33195 · Substantial damage > The pilot's failure to assure that the landing gear was down and locked. Factors relating to this accident were the alternator failure due to a broken wire and the low battery output. - [NTSB LAX93LA163](https://openairdocs.org/ntsb/LAX93LA163.md): Cessna 177RG · Imperial, CA · Accident · No injuries · Limited investigation · Final report · Apr 3, 1993 · N34205 · Substantial damage > The flight's encounter with a dust devil. - [NTSB LAX92LA190](https://openairdocs.org/ntsb/LAX92LA190.md): Cessna 177RG · Mammoth Lakes, CA · Accident · No injuries · Limited investigation · Final report · Apr 26, 1992 · N33248 · Substantial damage > The pilot-in-command's inaccurate weather evaluation, his improper setting of the mixture control, and his failure to maintain proper climb airspeed. Factors related to the accident were: high density altitude, unfavorable wind with mountain wave activity and… - [NTSB LAX90LA035](https://openairdocs.org/ntsb/LAX90LA035.md): Cessna 177RG · Van Nuys, CA · Accident · Serious injuries · Limited investigation · Final report · Nov 17, 1989 · N2069Q · Substantial damage > The incorrect installation of the engine cowl and baffle seals during the installation of the engine following an overhaul. - [NTSB LAX89LA208](https://openairdocs.org/ntsb/LAX89LA208.md): Cessna 172N · Sacramento, CA · Accident · No injuries · Limited investigation · Final report · May 30, 1989 · N737WR · 2 aircraft · Minor damage > The pilot of the other aircraft displayed poor judgement when he elected to continue taxiing in the runup area when visual lookout could not be maintained. - [NTSB LAX88FA314](https://openairdocs.org/ntsb/LAX88FA314.md): Cessna 177RG · San Luis Obispo, CA · Accident · 1 fatal · Field investigation · Final report · Sep 8, 1988 · N33283 · Destroyed > Pilots erroneous interpretation of his missed approach clearance, and, his performance of the published missed approach procedure for the santa maria ILS instead of the San Luis Obispo localizer. - [NTSB LAX88FA272](https://openairdocs.org/ntsb/LAX88FA272.md): Cessna 177RG · Cedar Grove, CA · Accident · 3 fatal · Field investigation · Final report · Jul 30, 1988 · N52504 · Destroyed > Pilots decision to attempt a flight through a mountainous area at an altitude insufficient to ensure terrain clearance. - [NTSB LAX88LA248](https://openairdocs.org/ntsb/LAX88LA248.md): Cessna 177RG · Weaverville, CA · Accident · Serious injuries · Limited investigation · Final report · Jul 2, 1988 · N1532H · Substantial damage > At the end of a cross country flt, the plt was landing the airplane in a 5 kt, gusting to 10 kt tailwind. The airplane did not touch down until past mid-field and the plt said the brakes were not effective until two thirds of the way down the rwy. The… - [NTSB LAX87FA093](https://openairdocs.org/ntsb/LAX87FA093.md): Cessna 177RG · S Lake Tahoe, CA · Accident · 4 fatal · Field investigation · Final report · Jan 19, 1987 · N123DJ · Destroyed > After departing at night from south lake Tahoe, CA, the plt contacted ARTCC & requested radar flt following. A short time later, he declared an emergency & said he was reversing course with a loss of eng power. Radar & radio contact with the acft were lost as… - [NTSB LAX86FVM07](https://openairdocs.org/ntsb/LAX86FVM07.md): Cessna 177RG · San Jose, CA · Accident · No injuries · Final report · Aug 7, 1986 · N45188 · Substantial damage > The acft was landed with the gear in the partially extended. Tower personnel attempted to warn the plt of the gear position with use of the radio and light gun signals; however, the landing was continued. Post accident examination of the landing gear system… - [NTSB LAX86LA199](https://openairdocs.org/ntsb/LAX86LA199.md): Cessna 177RG · Placerville, CA · Accident · No injuries · Limited investigation · Final report · Apr 29, 1986 · N34020 · Destroyed > While enroute to san francisco, CA the engine began to overspeed & the prop gov control was not effective in arresting/controlling the overspeed condition. Shortly thereafter the engine oil pressure depleted to zero. The pilot elected to land in the ice house… - [NTSB LAX86FA048](https://openairdocs.org/ntsb/LAX86FA048.md): Cessna 177RG · San Bernardino, CA · Accident · 3 fatal · Field investigation · Final report · Nov 28, 1985 · N7541V · Destroyed > The instrument rated plt & his family flew from TX to CA. It was night time upon arrival and the plt did not communicate with any FAA facility. Earlier in the flt, during a refueling stop, the plt had telephoned a friend and his parents to arrange to be… - [NTSB LAX85LA140](https://openairdocs.org/ntsb/LAX85LA140.md): Cessna 177RG · Ukiah, CA · Accident · No injuries · Limited investigation · Final report · Feb 14, 1985 · N2180Q · Substantial damage > On a dark night, the plt failed to observe that the taxiway (on which he was taxiing) made a 90 deg turn to connect with the beginning of the rwy. Where the taxiway turned, the acft continued straight ahead & went into a 3 ft deep ditch. There were no taxiway… - [NTSB LAX85LA010](https://openairdocs.org/ntsb/LAX85LA010.md): Cessna 177RG · Concord, CA · Accident · Minor injuries · Limited investigation · Final report · Oct 10, 1984 · N52936 · Substantial damage > The plt stated that he did a go-around while on final approach to runway 19L because of excessive speed. The plt re-entered the traffic pattern and was cleared by the tower to lnd on rwy 19R. The plt stated that he was advised by the tower to initiate the… - [NTSB LAX80FUM20](https://openairdocs.org/ntsb/LAX80FUM20.md): Cessna 177RG · El Cajon, CA · Accident · No injuries · Closed · May 8, 1980 · N1819Q · Substantial damage - [NTSB OAK79DVG49](https://openairdocs.org/ntsb/OAK79DVG49.md): Cessna 177RG · David, CA · Accident · Serious injuries · Closed · Jun 2, 1979 · N34493 · No damage - [NTSB OAK77DVG67](https://openairdocs.org/ntsb/OAK77DVG67.md): Cessna 177RG · Trinity Center, CA · Accident · No injuries · Closed · Sep 18, 1977 · N35913 · Substantial damage - [NTSB LAX77FUM20](https://openairdocs.org/ntsb/LAX77FUM20.md): Cessna 177RG · Borrego Sprngs, CA · Accident · No injuries · Closed · Feb 27, 1977 · N1846Q · Substantial damage - [NTSB LAX77FUG08](https://openairdocs.org/ntsb/LAX77FUG08.md): Cessna 177RG · Redlands, CA · Accident · Minor injuries · Closed · Nov 5, 1976 · N2121Q · Substantial damage - [NTSB OAK76DVA65](https://openairdocs.org/ntsb/OAK76DVA65.md): Cessna 177RG · Columbia, CA · Accident · No injuries · Closed · May 20, 1976 · N2516V · Substantial damage - [NTSB LAX76FUG35](https://openairdocs.org/ntsb/LAX76FUG35.md): Cessna 177RG · Rancho Mirage, CA · Accident · No injuries · Closed · Feb 23, 1976 · N2027Q · Substantial damage - [NTSB LAX74FUG11](https://openairdocs.org/ntsb/LAX74FUG11.md): Cessna 177RG · San Brnadno, CA · Accident · Serious injuries · Closed · Jul 27, 1973 · N8218G · Substantial damage ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql 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 c."eventStateOrRegion" = 'CA' AND c."eventCountry" = 'USA' AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41593')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?engine=41593&state=CA --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.