NTSB investigations: Lycoming HIO-360 series

47 cases on aircraft whose registry engine model is Lycoming HIO-360 series, where the first occurrence was “Loss of control - in flight”. 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

19822026
NTSB investigations: Lycoming HIO-360 series per year, 1982–2026: 47 cases
19821
19832
19841
19852
19862
19872
19882
19893
19901
19912
19932
19961
19973
19981
19992
20004
20012
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20032
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20072

Latest 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.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41524')
      AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 250))
  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 SEA08FA022Accident · 1 fatalField investigationFinal reportHughes 269C · Baker City, ORThe pilot’s failure to maintain main rotor rpm while maneuvering.Nov 8, 2007 · N381MC · Substantial damageNTSB DFW07CA146Accident · No injuriesData collectionFinal reportSchweizer 269C · Slidell, LAThe pilot's encounter with settling with power condition while hovering out of ground effect. A contributing factor was the prevailing tailwind.Jun 28, 2007 · N292B · Substantial damageNTSB NYC06CA008Accident · No injuriesData collectionFinal reportEnstrom F-28C · Smoketown, PAThe student pilot's failure to maintain aircraft control while performing pedal turns at a hover, resulting in a collision with terrain.Oct 11, 2005 · N51772 · Substantial damageNTSB SEA05CA149Accident · Minor injuriesData collectionFinal reportHughes 269A · Laurel, MTthe pilot's failure to maintain rotor rpm while executing a pinnacle approach, which resulted in a loss of control and collision with terrain.Jul 21, 2005 · N801CP · Substantial damageNTSB DEN05CA079Accident · No injuriesData collectionFinal reportSchweizer 269C · Pueblo, COthe student pilot's failure to maintain control of the helicopter during the landing. Contributing to the accident was the flight instructor's inadequate supervision of the student pilot.May 19, 2005 · N958CP · Substantial damageNTSB SEA05CA083Accident · No injuriesData collectionFinal reportHughes 269A · Whitefish, MTThe student pilot's failure to maintain control of the helicopter while hovering resulting in an in-flight collision with terrain. Gusting winds and the student pilot's inadequate compensation for the wind conditions were contributing factors.Apr 17, 2005 · N7054C · 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 MIA05CA006Accident · No injuriesData collectionFinal reportSchweizer 269C · Diamond Head, MSThe pilot's inadvertent loss of tail rotor effectiveness during takeoff to a hover and aborted landing in a grass area resulting in the grass catching fire from the engine exhaust and the helicopter being consumed by fire.Oct 16, 2004 · N119DM · DestroyedNTSB NYC05CA008Accident · No injuriesData collectionFinal reportHughes 269C · Minerva, OHThe pilot's failure to maintain control of the helicopter during liftoff.Oct 10, 2004 · N7423F · Substantial damageNTSB DEN03LA115Accident · No injuriesLimited investigationFinal reportSchweizer 269C · Bountiful, UTthe pilot not maintaining aircraft control during the aerial taxi. Factors contributing to the accident were the oscillating cyclic, the pilot's diverted attention, and the gusting crosswind.Jun 28, 2003 · N3623U · Substantial damageNTSB FTW03LA122Accident · No injuriesLimited investigationFinal reportEnstrom F-28F · Monroe, LAThe pilot's failure to maintain control of the helicopter. A contributing factor was the crosswind.Apr 5, 2003 · N86238 · Substantial damageNTSB SEA02LA150Accident · No injuriesLimited investigationFinal reportHughes 269A · Covington, WAAircraft control not maintained while hovering.Aug 10, 2002 · N90271 · Substantial damageNTSB LAX02LA161Accident · Minor injuriesLimited investigationFinal reportSchweizer 269C · Phoenix, AZthe CFI's failure to maintain an adequate airspeed resulted in a settling with power, and the CFI's failure to take remedial action. A factor in the accident was the high density altitude.May 13, 2002 · N577TA · Substantial damageNTSB FTW02LA104Accident · No injuriesLimited investigationFinal reportHughes 269A-1 · Fort Collins, COthe flight instructor's failure to maintain control of the helicopter while hovering. Contributing factors were the tailwind and gusty wind conditions.Mar 27, 2002 · N8942F · Substantial damageNTSB NYC01LA206Accident · Minor injuriesLimited investigationFinal reportSchweizer 300C · Cicero, NYThe pilot's failure to maintain directional control while hovering, and the CFI's delayed remedial action.Aug 8, 2001 · N1281R · 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 LAX00LA276Accident · No injuriesLimited investigationFinal reportSchweizer 269C · Cave Creek, AZThe pilot's inadequate in-flight planning/decision to attempt a hover in atmospheric conditions and over terrain that would require maximum helicopter performance, and which would leave no viable alternate actions in the event of difficulties.Jul 19, 2000 · N577TA · 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 SEA00LA103Accident · No injuriesLimited investigationFinal reportEnstrom F-28C · Kennewick, WAThe pilot's exceedance of the helicopter's hovering capabilities in a downwind hover. Factors included tailwind conditions, the pilot's lack of experience in the type of operation being conducted, and trees in the area where the helicopter settled.Jun 8, 2000 · N80193 · Substantial damageNTSB MIA00GA121Accident · 2 fatalFinal reportHughes 269C · Del Rio, TXAn in-flight loss of control while maneuvering for undetermined reasons resulting in an in-flight collision with terrain. A factor in the accident was the in-flight loss of engine power and rotor rpm.Mar 27, 2000 · N1110N · DestroyedNTSB MIA00GA057Accident · Serious injuriesFinal reportHughes OH-6A · Fort Myers, FLimproper maintenance inspection of the helicopter by unknown maintenance personnel, resulting in a worn control rod bearing being continued in service, and subsequent separation, resulting in an in-flight loss of control and a crash.Dec 20, 1999 · N72LC · Substantial damageNTSB NYC99LA082Accident · Serious injuriesLimited investigationFinal reportSchweizer 269C · Westerville, OHThe failure of the pilot to maintain control of the helicopter.Mar 29, 1999 · N15SS · Substantial damageNTSB CHI99LA006Accident · No injuriesLimited investigationFinal reportSchweizer 269C · Oshkosh, NEthe pilot's failure to maintain control of the helicopter. Factors associated with the accident were the high winds, low altitude at which the pilot was maneuvering and the uneven terrain which the helicopter contacted.Oct 10, 1998 · N151KC · Substantial damageNTSB NYC98LA025Accident · No injuriesLimited investigationFinal reportHughes 269B · Cleveland, OHthe pilot's failure to recover from settling-with-power. Factors relating to the accident were: the pilot's downwind approach and low airspeed.Oct 31, 1997 · N2273W · Substantial damageNTSB ATL97LA114Accident · No injuriesLimited investigationFinal reportHughes 269A · Dandridge, TNthe pilot's failure to properly plan the approach for landing, which led to a loss of tail rotor authority and directional control, while close to the ground. The tailwind was a related factor.Aug 10, 1997 · N7050D · Substantial damageNTSB MIA97LA084Accident · No injuriesLimited investigationFinal reportHughes 269A · Homosassa, FLthe unqualified person's poor judgment, by taking the helicopter without the owner's permission and attempting an unauthorized flight at night; and his failure (or inability) to maintain control the helicopter. Darkness was a related factor.Feb 7, 1997 · N9061R · Substantial damageNTSB FTW96LA174Accident · No injuriesLimited investigationFinal reportSchweizer 269C · Silver, TXthe pilot's failure to maintain adequate rotor RPM.Apr 18, 1996 · N430CK · Substantial damageNTSB NYC93GA151Accident · Serious injuriesFinal reportEnstrom F-28C · Gallipolis, OHThe pilot's improper use of the collective and throttle which resulted in a low rotor rpm condition and a loss of control, and an inflight collision with the terrain.Aug 12, 1993 · N51786 · Substantial damageNTSB DEN93LA070Accident · No injuriesLimited investigationFinal reportEnstrom F-28C · Boulder, COA failure by the pilot flying to adequately compensate for wind conditions which led to a loss of tail rotor control. A factor was: inadequate supervision by the pilot in command.Jun 27, 1993 · N625H · Substantial damageNTSB DEN92LA001Accident · No injuriesLimited investigationFinal reportEnstrom F-28C · Evergreen, COIn flight encounter with a sudden downdraft. A factor was: the pilot's lack of total experience in aircraft type.Oct 2, 1991 · N552H · Substantial damageNTSB SEA91LA044Accident · No injuriesLimited investigationFinal reportSchweizer Hughes 269C · Princeton, ORThe pilot's attempt to hover out of ground effect at a density altitude and gross weight in tailwind weather conditions that exceeded the aircraft performance limits. Factors relating to the accident were the high density altitude and tailwind weather…Jan 19, 1991 · N75070 · 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 ATL90LA043Accident · No injuriesLimited investigationFinal reportSchweizer 269C · Norcross, GAThe student pilot's improper execution of the landing procedure resulting in dynamic roll-over of the helicopter.Dec 22, 1989 · N75068 · Substantial damageNTSB MIA89LA231Accident · Minor injuriesLimited investigationFinal reportHughes 269A · Jacksonville, FLInadequate visual look-out by the pilot and his failure to maintain control of the helicopter, while maneuvering to avoid obstructions. The transmission lines were considered to be factors.Aug 25, 1989 · N9014N · Substantial damageNTSB NYC89LA114Accident · Serious injuriesLimited investigationFinal reportHughes 269C · Rosehayn, NJThe pilots failure to maintain control of the aircraft during landing. This resulted in an uncontrolled touchdown and rollover of the helicopter.Apr 11, 1989 · N1093Y · Substantial damageNTSB CHI89LA029Accident · Minor injuriesLimited investigationFinal reportMcdonnell Douglas 269C · Frankfort, ILThe helicopter experienced a tree strike with the main rotor blades and then rolled over when it struck the ground during a precautionary landing attempt. The helicopter had been conducting contract power line patrol when the PIC noted an apparent partial…Nov 28, 1988 · N1098P · Substantial damageNTSB FTW88LA080Accident · Minor injuriesLimited investigationFinal reportHughes 269C · Tomball, TXAs the helicopter lifted off the portable landing platform, it rolled to the right and contacted the terrain. The pilot could not determine if the skid was caught on the platform or if it slid off the side.Mar 15, 1988 · N58332 · Substantial damageNTSB CHI87LA150Accident · No injuriesLimited investigationFinal reportHughes 300C · Aurora, ILWhile the student & instructor (CFI) were on an instructional flt, a decision was made to practice an autorotation & simulated tail rotor failure. Rprtdly, a smooth touchdown was made, but the helicopter began to vibrate. The CFI electedto get the helicopter…Jun 17, 1987 · N3625B · Substantial damageNTSB MIA87LA089Accident · No injuriesLimited investigationFinal reportHughes 269A · Jacksonville, FLThe instructor plt was demonstrating a hovering autorotation landing with forward movement, when, after the throttle was closed, the helicopter hung in the air. Forward cyclic was then applied when he realized that the rotor RPM began to deteriorate. The…Feb 20, 1987 · N90270 · Substantial damageNTSB MKC86LA196Accident · No injuriesLimited investigationFinal reportFloyd R.Harris Eagle 2 · Joplin, MOPilot was landing rwy 22 with winds from 190 at 12. Just before touchdown, a wind gust lifted acft to right, off side of the runway. Pilot started a go-around but discovered path of flight was toward tower and terminal bldg. Pilot aborted go-around and put…Sep 28, 1986 · N25FH · Substantial damageNTSB CHI86FER03Accident · Minor injuriesFinal reportHughes 269A (TH-55A) · Lakeville, MNThe CFI reported the accident occurred during a demonstration of wind effect during turns around a point. The CFI reported that as the helicopter was turned downwind it began descending from an alt of aprx 200 ft AGL. It continued it's descent until the right…Mar 29, 1986 · N10415 · DestroyedNTSB NYC86LA011Accident · No injuriesLimited investigationFinal reportEnstrom F-28C · Linden, NJThe helicopter experienced a roll-over during a practice hover autorotation. The acc occurred when the acft started moving backwards during the hover. The left skid dug into the dirt which pitched the acft nose up & rolled it over to the left.Oct 17, 1985 · N5691Y · Substantial damageNTSB MIA85LA133Accident · No injuriesLimited investigationFinal reportHughes 269C · Tampa, FLThe instructor plt (CFI) reported that while practicing a taxi/hover autorotation, the helicopter settled onto a soft area in the turf. He reported that the student over-controlled with right anti-torque pedal & the helicopter settled in a left skid. The CFI…Mar 26, 1985 · N58208 · 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 LAX83FA266Accident · Serious injuriesField investigationFinal reportEnstrom F28C · Mesa, AZThe pilot had taken off, went into a normal hover, then traveled about 200 feet for a pattern climb-out when he radioed the tower that the acft did not feel right. The acft started to fishtail. The pilot tried to autorotate but could not stop the rate of…Jun 7, 1983 · N51684 · DestroyedNTSB FTW82DA251Accident · No injuriesFinal reportHughes 269C · Canadian, TXThe fixed-wing-rated/helicopter student pilot stated that it had been raining before he went to fly. Reportedly, he began to practice hovering while wearing wet tennis shoes. The student stated that his foot slipped off of the pedal because the soles of his…Jun 28, 1982 · N58407 · Substantial damage