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NTSB investigations: Lycoming HIO-360 series, CA

35 cases on aircraft whose registry engine model is Lycoming HIO-360 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

19682026

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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 ('41524'))
  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.

NTSB WPR13CA160Accident · No injuriesData collectionFinal reportHughes 269C · Rialto, CAThe student pilot’s failure to maintain helicopter control while maneuvering in a hover.Mar 25, 2013 · N90570 · Substantial damageNTSB WPR11LA462Accident · No injuriesLimited investigationFinal reportHughes 269C · Ramona, CAThe flight instructor’s failure to follow the proper procedure while demonstrating a practice autorotation, which resulted in a total loss of engine power and subsequent hard landing.Sep 22, 2011 · N1088Y · Substantial damageNTSB LAX07CA267Accident · Minor injuriesData collectionFinal reportHughes 269C · Ramona, CAa loss of engine power for undetermined reasons.Sep 3, 2007 · N58332 · Substantial damageNTSB LAX06LA290Accident · No injuriesLimited investigationFinal reportSchweizer 269C-1 · Van Nuys, CAInadequate maintenance adjustment and missing mixture spring, which resulted in a loss of engine power during approach.Sep 10, 2006 · N323CP · Substantial damageNTSB LAX05LA050Accident · No injuriesLimited investigationFinal reportSchweizer 269C · Ontario, CAa loss of engine power due to the Designated Pilot Examiner's failure to follow the flight manual procedures and directives regarding throttle settings to be used for practice autorotations.Dec 11, 2004 · N130JS · Substantial damageNTSB LAX05LA039Accident · No injuriesLimited investigationFinal reportSchweizer 269C · Rialto, CAthe pilot's failure to maintain adequate rotor rpm and altitude/clearance during the takeoff initial climb.Nov 22, 2004 · N45012 · Substantial damageNTSB LAX03CA264Accident · No injuriesData collectionFinal reportHughes 269C · Columbia, CAthe student pilot's improper execution of the autorotation. Also causal, was the CFI's delayed remedial action and supervision of the flight.Aug 25, 2003 · N58363 · Substantial damageNTSB LAX03FA134Accident · 2 fatalField investigationFinal reportHughes 269B · Auburn, CAthe misjudged flare maneuver by an unknown crewmember during a likely practice autorotation that resulted in an in-flight collision with terrain.Apr 11, 2003 · N16133 · DestroyedNTSB LAX03FA060Accident · 1 fatalField investigationFinal reportSchweizer 269C · Collinsville, CAA loss of engine power for undetermined reasons, and the pilot's failure to maintain main rotor rpm during the subsequent autorotation. A factor in the accident was the unsuitable nature of the terrain for a forced landing.Jan 4, 2003 · N98TH · DestroyedNTSB LAX03LA052Accident · No injuriesLimited investigationFinal reportSchweizer 269C · Los Banos, CAThe improper engine overhaul by other maintenance personnel, which resulted in an exhaust valve failure and a total loss of engine power while in maneuvering flight.Dec 18, 2002 · N642KC · Substantial damageNTSB LAX02LA169Accident · Serious injuriesLimited investigationFinal reportEnstrom F-28C · Stockton, CAThe pilot's failure to maintain an adequate clearance from the water tower during takeoff. Also causal was the pilot's selection of a confined area for the landing and subsequent takeoff.May 20, 2002 · N51716 · Substantial damageNTSB LAX01LA121Accident · Minor injuriesLimited investigationFinal reportSchweizer 269C · Ojai, CAA loss of engine power for undetermined reasons.Mar 19, 2001 · N6123A · Substantial damageNTSB LAX01LA120Accident · Minor injuriesLimited investigationFinal reportEnstrom F-28C · Hollister, CAthe pilot's inadequate use of the antitorque controls and subsequent failure to maintain directional control of the helicopter during the takeoff initial climb.Mar 18, 2001 · N637H · DestroyedNTSB LAX01LA053Accident · No injuriesLimited investigationFinal reportHughes 269C · Carlsbad, CAThe CFI's inadequate supervision and failure to maintain control of the helicopter during a practice autorotation. A contributing factor was the student's improper in-flight planning/decision.Dec 4, 2000 · N1097N · Substantial damageNTSB LAX00LA226Accident · No injuriesLimited investigationFinal reportHughes 269C · Santa Clarita, CASettling with power precipitated by a wind direction change during the approach to land sequence and the check pilot's delayed remedial action to correct the event. Factors in the accident were crew resource management coordination concerning flight control…Jun 14, 2000 · N9692F · Substantial damageNTSB LAX00LA181Accident · Minor injuriesLimited investigationFinal reportHughes 269C · Rialto, CAThe student's misjudged altitude and failure to maintain rotor rpm while practicing an autorotation, and, the instructor's delayed remedial corrective action and inadequate supervision of the flight.May 1, 2000 · N5395S · Substantial damageNTSB LAX97LA224Accident · Minor injuriesLimited investigationFinal reportEnstrom F-28-F · Riverside, CAfailure by unknown maintenance personnel to retorque the nuts on the retainer cover.Jun 25, 1997 · N99YC · Substantial damageNTSB LAX95LA332Accident · 1 fatalLimited investigationFinal reportEnstrom F-28C · Livermore, CAthe pilot's inadequate preflight fuel load determination procedures which resulted in fuel exhaustion. In addition, the pilot's delayed and improper use of the collective and cyclic flight controls following the engine failure led to his failure to maintain…Sep 10, 1995 · N5689T · DestroyedNTSB LAX95LA271Accident · Minor injuriesLimited investigationFinal reportHughes 269C · Redlands, CAThe company's maintenance personnel improper servicing of the landing skid actuators.Jul 27, 1995 · N747MK · Substantial damageNTSB LAX93LA227Accident · No injuriesLimited investigationFinal reportHughes 269C · Van Nuys, CAthe student pilot's failure to maintain the altitude while maneuvering toward the parking area. The student pilot's lack of total experience was a factor in this accident.May 26, 1993 · N58407 · Substantial damageNTSB LAX93LA087Accident · Serious injuriesLimited investigationFinal reportHughes 269C · Folsom, CAThe pilot failing to maintain an adequate visual lookout resulting in the helicopter colliding with electrical transmission wires.Jan 2, 1993 · N7462F · DestroyedNTSB LAX92LA383Accident · No injuriesLimited investigationFinal reportHughes 269C · Rialto, CAThe pilot/passenger's failure to maintain adequate rotor RPM and the pilot-in-command's inadequate supervision of the flight.Sep 12, 1992 · N58164 · Substantial damageNTSB LAX90LA065Accident · No injuriesLimited investigationFinal reportHughes 269C · Rialto, CAThe lack of adequate supervision by the instructor pilot during a critical phase of flight when he allowed a student to perform in an unsafe manner without taking immediate corrective action.Jan 6, 1990 · N7456F · DestroyedNTSB LAX89LA152Accident · Minor injuriesLimited investigationFinal reportHughes 269B · Long Beach, CAImproper in-flight planning/decision by the pilot, which led to an inadequate supply of fuel to reach the airport and subsequent fuel exhaustion. The pilot's lack of flight time in this make and model of helicopter was considered to be a factor.Apr 8, 1989 · N9456F · Substantial damageNTSB LAX89LA044Accident · No injuriesLimited investigationFinal reportEnstrom F-28C · Inyokern, CAThe pilot stated that, 'I landed in an open unpopulated area for the mechanic ... To make adjustments on the main blade (we were tracking and balancing the blades). I never shut the engine down. I disengaged the clutch. After the adjustment was made, I…Nov 16, 1988 · N552CS · DestroyedNTSB LAX87LA339Accident · Minor injuriesLimited investigationFinal reportHughes 269C · Freemont, CAThe purpose of the flt was to provide instruction to a foreign national, who held a U.S. Private helicopter rating. The instructor (CFI) rprtd that during a practice autorotation, he announced twice for the student to flare as the helicopter was passing thru…Sep 17, 1987 · N1101K · Substantial damageNTSB LAX85LA063Accident · No injuriesLimited investigationFinal reportHughes 269C · Boulevard, CAPlt was executing low level photographic survey of valleys in mountainous terrain. Acft entered a narrow valley with steeply rising terrain ahead. When plt realized excessive rate of climb would be required to clear obstacles, he attempted a steep turn-around…Dec 8, 1984 · N8663F · Substantial damageNTSB LAX83LA429Accident · No injuriesLimited investigationFinal reportEnstrom F-28C · Quincy, CAThe acft was on a flt to a radio transmitter site at about the 7000 ft level in mountainous terrain. During arrival to the helipad, the plt noticed that several vehicles were parked on the landing surface. While in a hover, he maneuvered the helicopter to an…Sep 8, 1983 · N619H · Substantial damageNTSB LAX82FA343Accident · Serious injuriesField investigationFinal reportHughes 269C · North Highlands, CAThe purpose of the flight was to conduct a rotorcraft/helicopter certified flight instructor (CFI) check ride for the pilot-in-command (PIC). The check pilot was an FAA inspector with no previous flight time in this make and model; however, he had 1816 hrs…Sep 13, 1982 · N8651F · DestroyedNTSB LAX82DVA06Accident · No injuriesClosedEnstrom F-28C · Shaver Lake, CAOct 22, 1981 · N56876 · Substantial damageNTSB LAX80FVG26Accident · No injuriesClosedEnstrom F28C · Sacramento, CAApr 16, 1980 · N51764 · Substantial damageNTSB LAX80DVA06Accident · No injuriesClosedEnstrom F-28A · Woodlake, CADec 12, 1979 · N521H · Substantial damageNTSB LAX74DUA19Accident · Minor injuriesClosedHughes 269A · Long Beach, CAMar 11, 1974 · N9333F · Substantial damageNTSB LAX74FUA09Accident · No injuriesClosedHughes 269B · Long Beach, CAOct 17, 1973 · N9333F · Substantial damageNTSB LAX69F0045Accident · Minor injuriesClosedHughes 269B · Paramount, CAJul 4, 1968 · N9456F · Substantial damage