NTSB investigations: Lycoming IO-360-A1B6D, CA
50 cases on aircraft whose registry engine model is Lycoming IO-360-A1B6D. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.
Cases per year
| 1973 | 1 |
|---|---|
| 1976 | 3 |
| 1977 | 2 |
| 1979 | 1 |
| 1980 | 1 |
| 1984 | 1 |
| 1985 | 2 |
| 1986 | 2 |
| 1987 | 1 |
| 1988 | 3 |
| 1989 | 2 |
| 1992 | 1 |
| 1993 | 4 |
| 1994 | 2 |
| 1995 | 2 |
| 1996 | 1 |
| 1999 | 1 |
| 2000 | 1 |
| 2001 | 1 |
| 2003 | 1 |
| 2005 | 1 |
| 2006 | 1 |
| 2007 | 5 |
| 2008 | 2 |
| 2015 | 1 |
| 2017 | 2 |
| 2018 | 1 |
| 2020 | 1 |
| 2022 | 2 |
| 2025 | 1 |
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 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"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 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" DESCRun 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 WPR25FA146Accident · 1 fatalClass 3 · FieldFinal reportCessna 177RG · Grass Valley, CAAn 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 WPR22LA373Accident · No injuriesClass 4 · LimitedFinal reportCessna 177RG · Avalon, CAThe 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 WPR22LA287Accident · No injuriesClass 3 · LimitedFinal reportCessna 177RG · Livermore, CAThe total loss of engine power due to an inadequately maintained fuel injection servo.NTSB WPR20LA117Accident · No injuriesClass 3 · LimitedFinal reportCessna 177RG · Santa Paula, CAThe 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 WPR18FA279Accident · 1 fatalClass 2 · FieldFinal reportCessna 177RG · La Verne, CAThe 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 GAA17CA505Accident · No injuriesData collectionFinal reportCessna 177RG · Byron, CAThe pilot’s improper preflight fuel planning, which resulted in a loss of engine power due to fuel exhaustion.NTSB WPR17LA142Accident · Minor injuriesLimited investigationFinal reportCessna 177RG · Vacaville, CAThe 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 GAA16CA074Accident · No injuriesData collectionFinal reportCessna 177 · Palm Springs, CAThe 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 LAX08CA276Accident · No injuriesData collectionFinal reportCessna 177RG · Lake Tahoe, CAThe 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 SEA08CA106Accident · No injuriesData collectionFinal reportCessna 177RG · Redding, CAThe 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 LAX07CA276Accident · No injuriesData collectionFinal reportCessna 177RG · Compton, CAthe pilot misjudged the flare resulting in a hard landing and loss of aircraft control.NTSB SEA07LA187Accident · No injuriesLimited investigationFinal reportCessna 177RG · Fresno, CAThe pilot's failure to maintain directional control of the airplane during takeoff.NTSB SEA07LA172Accident · Minor injuriesLimited investigationFinal reportCessna 177RG · Oceanside, CAThe 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 LAX07CA146Accident · Minor injuriesData collectionFinal reportCessna 177RG · Perris, CAa loss of engine power while in cruise flight due to an improperly installed magneto housing by the owner/pilot.NTSB LAX07LA122Accident · 1 fatalLimited investigationFinal reportScottish Bulldog 120 · So Lake Tahoe, CAThe pilot's failure to maintain clearance from objects and the mountainous terrain.NTSB LAX06CA239Accident · No injuriesData collectionFinal reportCessna 177RG · Camarillo, CAthe 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 LAX06LA058Accident · 1 fatalLimited investigationFinal reportCessna 177RG · Dixon, CAthe 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 LAX03LA136Accident · No injuriesLimited investigationFinal reportCessna 177RG · Redding, CAThe 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 LAX01LA193Accident · Minor injuriesLimited investigationFinal reportCessna 177RG · Pauma Valley, CAThe 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 LAX01LA062Accident · No injuriesLimited investigationFinal reportCessna 177RG · San Carlos, CAA loss of engine power for undetermined reasons during an extended downwind leg in the landing pattern.NTSB LAX99LA243Accident · Minor injuriesLimited investigationFinal reportCessna 177RG · Quincy, CAthe 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 LAX96LA270Accident · No injuriesLimited investigationFinal reportCessna 177RG · Folsom, CAAn 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 LAX96LA029Accident · Minor injuriesLimited investigationFinal reportCessna 177RG · Madera, CAFuel 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 LAX95LA187Accident · Minor injuriesLimited investigationFinal reportCessna 177RG · Oakland, CAThe 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 LAX95LA009Accident · No injuriesLimited investigationFinal reportCessna 177RG · Laytonville, CAwere the pilot's failure to maintain the proper airspeed and attain the proper touchdown point.NTSB LAX94FA318Accident · 4 fatalField investigationFinal reportCessna 177RG · So. Lake Tahoe, CAThe 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 LAX94LA068Accident · No injuriesLimited investigationFinal reportCessna 177RG · Santa Monica, CAThe pilot's failure to attain the proper touchdown point and improper recovery from a bounced landing.NTSB LAX94FA004Accident · 4 fatalField investigationFinal reportCessna 177RG · Petaluma, CAVFR 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 LAX93LA340Accident · No injuriesLimited investigationFinal reportCessna 177RG · Cameron Park, CAThe 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 LAX93LA163Accident · No injuriesLimited investigationFinal reportCessna 177RG · Imperial, CAThe flight's encounter with a dust devil.NTSB LAX92LA190Accident · No injuriesLimited investigationFinal reportCessna 177RG · Mammoth Lakes, CAThe 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 LAX90LA035Accident · Serious injuriesLimited investigationFinal reportCessna 177RG · Van Nuys, CAThe incorrect installation of the engine cowl and baffle seals during the installation of the engine following an overhaul.NTSB LAX89LA208Accident · No injuriesLimited investigationFinal reportCessna 172N · Sacramento, CAThe 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 LAX88FA314Accident · 1 fatalField investigationFinal reportCessna 177RG · San Luis Obispo, CAPilots 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 LAX88FA272Accident · 3 fatalField investigationFinal reportCessna 177RG · Cedar Grove, CAPilots decision to attempt a flight through a mountainous area at an altitude insufficient to ensure terrain clearance.NTSB LAX88LA248Accident · Serious injuriesLimited investigationFinal reportCessna 177RG · Weaverville, CAAt 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 LAX87FA093Accident · 4 fatalField investigationFinal reportCessna 177RG · S Lake Tahoe, CAAfter 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 LAX86FVM07Accident · No injuriesFinal reportCessna 177RG · San Jose, CAThe 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 LAX86LA199Accident · No injuriesLimited investigationFinal reportCessna 177RG · Placerville, CAWhile 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 LAX86FA048Accident · 3 fatalField investigationFinal reportCessna 177RG · San Bernardino, CAThe 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 LAX85LA140Accident · No injuriesLimited investigationFinal reportCessna 177RG · Ukiah, CAOn 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 LAX85LA010Accident · Minor injuriesLimited investigationFinal reportCessna 177RG · Concord, CAThe 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 LAX80FUM20Accident · No injuriesClosedCessna 177RG · El Cajon, CANTSB OAK79DVG49Accident · Serious injuriesClosedCessna 177RG · David, CANTSB OAK77DVG67Accident · No injuriesClosedCessna 177RG · Trinity Center, CANTSB LAX77FUM20Accident · No injuriesClosedCessna 177RG · Borrego Sprngs, CANTSB LAX77FUG08Accident · Minor injuriesClosedCessna 177RG · Redlands, CANTSB OAK76DVA65Accident · No injuriesClosedCessna 177RG · Columbia, CANTSB LAX76FUG35Accident · No injuriesClosedCessna 177RG · Rancho Mirage, CANTSB LAX74FUG11Accident · Serious injuriesClosedCessna 177RG · San Brnadno, CA