NTSB investigations: Lycoming IO-320 series, CA
95 cases on aircraft whose registry engine model is Lycoming IO-320 series. 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
| 1965 | 3 |
|---|---|
| 1966 | 3 |
| 1967 | 2 |
| 1969 | 1 |
| 1970 | 7 |
| 1971 | 3 |
| 1972 | 5 |
| 1973 | 2 |
| 1974 | 1 |
| 1975 | 3 |
| 1976 | 5 |
| 1977 | 3 |
| 1978 | 7 |
| 1979 | 5 |
| 1980 | 2 |
| 1981 | 5 |
| 1982 | 2 |
| 1983 | 3 |
| 1984 | 1 |
| 1986 | 2 |
| 1987 | 3 |
| 1989 | 1 |
| 1990 | 1 |
| 1991 | 1 |
| 1992 | 1 |
| 1993 | 3 |
| 1997 | 1 |
| 2000 | 2 |
| 2003 | 3 |
| 2004 | 1 |
| 2006 | 2 |
| 2010 | 3 |
| 2011 | 1 |
| 2013 | 1 |
| 2015 | 2 |
| 2017 | 1 |
| 2018 | 1 |
| 2024 | 1 |
| 2026 | 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 ('41509'))
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 ('41509'))
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 WPR26LA107Accident · No injuriesClass 3 · LimitedPreliminary reportPiper PA-30 · Big Bear, CAOn February 23, 2026, at 1800 Pacific standard time, a Piper PA-30, N811LE, was substantially damaged when it was involved in an accident near Big Bear, California. The pilot and passenger were not injured. The airplane was operated as a 14 Code of Federal…NTSB WPR24LA275Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-30 · Concord, CAThe failure of the main landing gear to extend and lock for reasons that could not be determined based on the available information. Contributing to the accident was a mechanical failure of the manual landing gear release mechanism due to inadequate clearance…NTSB WPR18FA237Accident · 2 fatalClass 3 · FieldFinal reportChampion 7KCAB · Descanso, CAThe pilot's decision to enter a spin without sufficient altitude to recover. Also causal to the accident was the pilot's inadequate preflight weight and balance calculations, which placed the airplane outside the normal and acrobatic category flight envelope,…NTSB WPR17LA164Accident · No injuriesLimited investigationFinal reportPiper PA 28R-180 · San Jose, CAMaintenance personnel's incorrect installation of the aileron control cables and subsequent failure to verify proper aileron functionality following the maintenance, which resulted in roll control that was opposite of that commanded by the pilot, and the…NTSB WPR15LA136Accident · Serious injuriesLimited investigationFinal reportPiper PA30 - NO Series · Red Bluff, CAThe pilot's failure to maintain directional control during the landing roll, which resulted in a runway excursion and collision with terrain.NTSB WPR15FA081Accident · 1 fatalField investigationFinal reportGibbs Lancair 320 · Van Nuys, CAThe pilot's improper decision to take off despite low fuel alerts, which resulted in a total loss of engine power due to fuel exhaustion, his subsequent failure to maintain adequate airspeed and his exceedance of the airplane's critical angle of attack, which…NTSB WPR13CA164Accident · No injuriesData collectionFinal reportPiper PA-30 · Fullerton, CAThe pilot receiving instruction’s failure to maintain airplane control during takeoff and the flight instructor’s delayed remedial action.NTSB WPR11LA113Accident · Serious injuriesLimited investigationFinal reportPiper PA-30 · Big Bear City, CAThe pilot’s failure to maintain the minimum single-engine control speed while on final approach for landing. Contributing to the accident was the pilot's decision to fly with a known deficiency in one engine and a loss of power in that engine for reasons that…NTSB WPR11LA070Accident · Minor injuriesLimited investigationFinal reportBellanca 7KCAB · Corona, CAThe total loss of engine power due to oil exhaustion as a result of a broken oil line.NTSB WPR11LA063Accident · No injuriesLimited investigationFinal reportChampion 7KCAB · Rialto, CAFatigue cracking of the left main landing gear leg, which resulted in a gear collapse during landing.NTSB WPR10FA217Accident · 1 fatalField investigationFinal reportPiper PA-30 · Merced, CAPilot incapacitation due to the combined effect of multiple unreported medical conditions.NTSB LAX06FA089Accident · 4 fatalField investigationFinal reportPiper PA-30 · Visalia, CAthe pilot's failure to maintain airspeed during the landing approach, which resulted in a stall and uncontrolled descent. Contributing factors to the accident were the pilot's impairment due to his prolonged use of a highly sedating over-the-counter sleep aid…NTSB LAX06CA086Accident · Minor injuriesData collectionFinal reportBellanca 7KCAB · Fallbrook, CAthe student pilot's inadequate compensation for a crosswind condition and his failure to maintain directional control.NTSB LAX04LA325Accident · No injuriesLimited investigationFinal reportPiper PA-30 · Auburn, CAa collapse of the landing gear for undetermined reasons.NTSB LAX04FA057Accident · 2 fatalField investigationFinal reportWing D-1 · Rosamond, CAThe flying pilot's failure to obtain/maintain control of the airplane during practice stalls, which resulted in the inadvertent entry into a spin.NTSB LAX03LA155Accident · No injuriesLimited investigationFinal reportMonaghan Glasair · Hayward, CAthe pilot's inadequate recovery from a bounced landing and his failure to maintain directional control, resulting in a ground loop.NTSB LAX03FA093Accident · 2 fatalField investigationFinal reportPiper PA-30 · Nipomo, CAthe flying pilot's failure to maintain an adequate airspeed that resulted in a stall/spin.NTSB LAX00LA287Accident · No injuriesLimited investigationFinal reportPiper PA-30 · Davis, CAthe dual student's improper response to a simulated engine failure and the flight instructor's delayed remedial action and inadequate supervision of the flight.NTSB LAX00FA231Accident · 1 fatalField investigationFinal reportBellanca 8KCAB · San Jose, CAThe pilot's failure to maintain control of the airplane for undetermined reasons while intentionally performing an aerobatic maneuver.NTSB LAX97LA310Accident · No injuriesLimited investigationFinal reportBingelis Falco F.8L · Watsonville, CAthe pilot's misjudgment of distance and speed on final approach, leading to a landing undershoot.NTSB LAX94FA047Accident · 1 fatalField investigationFinal reportPiper PA-30 · Brea, CAThe pilot's choice of an inadequate cruise altitude over rolling hill terrain which resulted in an in-flight collision with helium balloons and an in-flight loss of control for undetermined reasons. A factor in the accident was the pilot's inadequate visual…NTSB LAX93LA291Accident · No injuriesLimited investigationFinal reportPiper PA-39 · Thermal, CAthe pilot's inadvertent movement of the landing gear selector switch to the up position. A factor in the accident was the difference in cockpit switch layout between the PA23 and PA39 aircraft.NTSB LAX93LA237Accident · Minor injuriesLimited investigationFinal reportSchmidt JURCA-MJ55 · Bakersfield, CALoss of engine power for undetermined reasons.NTSB LAX92LA099Accident · No injuriesLimited investigationFinal reportPiper PA-30 · Pacoima, CAThe pilot's improper preflight and delay in aborting the takeoff. Contributing to this accident was the unlocked nose baggage door.NTSB LAX91LA293Accident · Serious injuriesLimited investigationFinal reportBellanca 8KCAB · Shoshone, CAAn electrical short of the battery cable.NTSB LAX90DVA05Accident · No injuriesFinal reportVans RV-3 · Bakersfield, CAThe pilots loss of directional control after a touch and go landing in a newly acquired homebuilt aircraft. Contributing to the accident was the pilots lack of experience in this aircraft.NTSB LAX89LA230Accident · Minor injuriesLimited investigationFinal reportPiper PA-30B-160 · Merced, CAThe pilot's inadequate preflight planning/preparation, resulting in fuel exhaustion.NTSB LAX88FA071Accident · 2 fatalField investigationFinal reportBeech A35 · Chino Hills, CAFailure of both pilots to see and avoid each other and thus avert the collision.NTSB LAX87LA224Accident · No injuriesLimited investigationFinal reportBellanca 7KCAB · Fremont, CAWhile on final apch to lnd on rwy 28, a glider (Schweizer sgs 2-32, N242DB) & a tow plane (Bellanca 7KCAB, N88314) collided in flt at an alt of about 200' AGL. The tow plane was returning fm a LCL tow mission & the glider was returningfm a LCL sightseeing…NTSB LAX87FA136Accident · 1 fatalField investigationFinal reportBellanca 7KCAB · Lebec, CAPrior to the flt, the plt rcvd 2 wx briefings & was adzd of low ceilings, restricted visibilities & mtn obscurement along the route. Also, he was adzd that VFR flt was not recommended. The surviving pax said that after entering the mtn area, they contd 'in…NTSB LAX86LA246Accident · No injuriesLimited investigationFinal reportBellanca Kcab · Taft, CAThe citabrea bounced on landing and ground looped on the runway. The pilot indicated that on touchdown the aircraft bounced. Throttle was advanced and on the second touchdown the aircraft veered left. The left wing rose placing the aircraft on the right main…NTSB LAX86FVD04Accident · 1 fatalFinal reportVangrunsven RV-3A · Fortuna, CAThe acft stalled in a turn during a forced landing after the engine lost power. Post acc investigation revealed an inoperative fuel selector valve. Witnesses said that the acft did not sound like it was developing full pwr during take off roll. Shortly after…NTSB LAX85LA061Accident · No injuriesLimited investigationFinal reportPiper PA-30 · Garberville, CAThe plt reported that on his first attempt to land he was 'too high' so he made a go-around. On the second apch to the 3050 ft rwy, he was flying at 110 mph. He landed long, applied brakes & skidded off the dept end of the rwy. The lt tire blew-out,…NTSB LAX84LA006Accident · No injuriesLimited investigationFinal reportBellanca 7KCAB · Fremont, CAThe acft groundlooped during landing after an aerial glider tow. The plt reported that he had performed 23 glider tows that day and he may have become fatigued. He was accustumed to making a low level turn to a short final from a base leg at 100 ft AGL. This…NTSB LAX84LA020Accident · No injuriesLimited investigationFinal reportChampion 7KCAB · Santa Ynez, CAThe plt made his apch to land on rwy 26 with winds reportedly from 270 deg at 10 gusting 15 KTS. During the landing, the acft touched down short of the runway in an area containing deep furrows. Subsequently, the main gear collapsed & the fuselage & wings of…NTSB LAX83LA431Accident · No injuriesLimited investigationFinal reportPiper PA-30B · Marysville, CABoth aircrew members were multiengine rated. One was a multiengine instructor pilot (CFI) & was providing instruction for the other to be upgraded as a multiengine instructor. During a landing, the acft touched down with the gear retracted. Neither pilot…NTSB LAX83LVM05Accident · No injuriesFinal reportPitts S1C · 6 N.W. Half Moo, CAAircraft landed and a gust of wind turned the aircraft. Aircraft continued off right side of runway and nosed over in soft ground.NTSB LAX82DA315Accident · No injuriesFinal reportPiper PA-30 · Santa Catalina, CAThe aircraft lost right engine power following departure from Santa Catalina. Unable to climb the aircraft to airport altitude the pilot decided to proceed over the open sea to san clemente. About 19 miles from the island the pilot stated he switched fuel…NTSB LAX81DVA46Accident · No injuriesClosedPiper PA-30 · Visalia, CANTSB LAX81FA091Accident · 1 fatalClosedPiper PA-30 · Moreno, CANTSB LAX81FUG34Accident · Minor injuriesClosedBellanca 7KCAB · Chino, CANTSB LAX81DVM10Accident · No injuriesClosedPitts S-1 · San Carlos, CANTSB LAX81DVA19Accident · No injuriesClosedLake RV-3 · Bakersfield, CANTSB LAX81FA023Accident · 1 fatalClosedCitabria 7KCAB · Truckee, CANTSB LAX80DVA16Accident · Minor injuriesClosedPiper PA-30 · Fresno, CANTSB LAX80DVG05Accident · No injuriesClosedPiper PA-30 · Fair Oaks, CANTSB LAX79FVM31Accident · No injuriesClosedBellanca 7KCAB · Palo Alto, CANTSB OAK79DVG61Accident · No injuriesClosedPiper PA-30 · Smartville, CANTSB LAX79FHQ38Accident · No injuriesClosedPiper PA-30 · Van Nuys, CANTSB OAK79FVD09Accident · No injuriesClosedBellanca 8KCAB · Fremont, CA