NTSB investigations: Lycoming HIO-360 series, TX
37 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
| 1969 | 1 |
|---|---|
| 1971 | 1 |
| 1976 | 1 |
| 1979 | 1 |
| 1981 | 1 |
| 1982 | 1 |
| 1986 | 1 |
| 1988 | 2 |
| 1989 | 1 |
| 1994 | 1 |
| 1996 | 3 |
| 1998 | 4 |
| 2000 | 2 |
| 2003 | 1 |
| 2004 | 1 |
| 2005 | 1 |
| 2007 | 1 |
| 2008 | 1 |
| 2009 | 1 |
| 2011 | 2 |
| 2012 | 2 |
| 2014 | 2 |
| 2015 | 1 |
| 2016 | 1 |
| 2018 | 1 |
| 2020 | 1 |
| 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\" = 'TX' 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.
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" = 'TX' 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" 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 CEN25LA103Accident · Minor injuriesClass 3 · LimitedPreliminary reportStarduster II · Azle, TXOn February 24, 2025, at 1430 central standard time, a Starduster II airplane, N78WT, was destroyed when it was involved in an accident near Azle, Texas. The private pilot and a passenger received minor injuries. The airplane was operated as a Title 14 Code…NTSB CEN20CA240Accident · No injuriesClass 4 · Data collectionFinal reportSchweizer 269C · Sheffield, TXThe pilot's failure to maintain adequate clearance from a fence while hovering.NTSB GAA18CA168Accident · Minor injuriesData collectionFinal reportHughes 269 · San Antonio, TXThe pilot’s decision to relinquish the helicopter flight controls to a non-rated passenger during a 3 ft hover.NTSB CEN16FA315Accident · 1 fatalField investigationFinal reportHughes 269C · Howe, TXThe improper execution of an autorotation following the loss of engine power, which resulted in an uncontrolled descent into terrain. Contributing to the accident was the flight instructor's lack of remedial action during the autorotation.NTSB GAA15CA197Accident · No injuriesData collectionFinal reportHughes 269C · Atlanta, TXThe non-helicopter rated pilot's improper landing flare, which resulted in impact with terrain.NTSB CEN14LA269Accident · No injuriesLimited investigationFinal reportSchweizer 269C · Temple, TXGround resonance due to maintenance personnel’s improper inspection of the landing gear dampers, which resulted in the dampers operating outside of allowable limits.NTSB CEN14LA222Accident · Minor injuriesLimited investigationFinal reportHughes 269A · Cleburne, TXThe student pilot's failure to maintain tail rotor clearance from terrain while transitioning to a hover taxi and the instructor pilot's inadequate remedial action to prevent the impending tail rotor contact.NTSB CEN13LA099Accident · No injuriesLimited investigationFinal reportEnstrom F-28C · Abilene, TXThe flight instructor's failure to conduct an autorotation following the loss of engine power due to fuel exhaustion. Contributing to the accident was the failure of the flight instructor and the student pilot to visually check fuel levels to ensure adequate…NTSB CEN12LA181Accident · No injuriesLimited investigationFinal reportSikorsky 269C · Staples, TXThe pilot's failure to attain the proper descent rate during autorotation, which resulted in a hard landing. Contributing to the accident were the inflight vibrations and loss of torque pedal response for undetermined reasons.NTSB CEN12CA031Accident · No injuriesData collectionFinal reportHughes 269A · Fort Worth, TXThe inadvertent entry into ground resonance after a hovering autorotation.NTSB CEN11CA442Accident · No injuriesData collectionFinal reportSchweizer 269C · Katy, TXThe pilot's failure to maintain adequate rotor rpm during a low-altitude maneuvering flight.NTSB CEN09LA202Accident · Serious injuriesLimited investigationFinal reportHughes 269C · El Indio, TXThe pilot's failure to maintain control of the helicopter while attempting to land on a transport trailer in heavy rain and gusting winds.NTSB DFW08CA114Accident · No injuriesData collectionFinal reportHughes 269A · Killeen, TXThe pilot's failure to maintain main rotor RPM and a safe rate of descent during the autorotation. A contributing factor was the gusty winds.NTSB DFW07LA061Accident · Minor injuriesLimited investigationFinal reportHughes 269A · Fulshear, TXThe loss of engine power for undetermined reasons. A contributing factor was the lack of suitable terrain for the forced landing.NTSB DFW05CA168Accident · No injuriesData collectionFinal reportHughes 269C · Bruceville, TXThe flight instructor's improper flare during autorotation, which resulted in a hard landing. Contributing factor was, the lack of suitable terrain.NTSB FTW04LA212Accident · Minor injuriesLimited investigationFinal reportEnstrom F-28F · De Leon, TXThe pilot's failure to properly secure a fuel line, which resulted in a loss of engine power due to leakage and subsequent fuel starvation.NTSB FTW03TA190Accident · Minor injuriesFinal reportHughes 269A · Freer, TXLoss of engine power for undetermined reasons.NTSB 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.NTSB FTW00LA105Accident · No injuriesLimited investigationFinal reportSchweizer 300C · New Ulm, TXThe pilot's inadequate in-flight evaluation of the landing area, which resulted in the separation of the main rotor system as a result of foreign object damage.NTSB FTW98LA362Accident · Minor injuriesLimited investigationFinal reportHughes 269C · Houston, TXThe pilot's failure to refuel the helicopter which resulted in the loss of engine power due to fuel exhaustion. A factor was the lack of suitable terrain for the forced landing.NTSB FTW98LA279Accident · No injuriesLimited investigationFinal reportSchweizer 269C · San Angelo, TXThe improper touchdown executed by the flight instructor, which resulted in the tail rotor impacting the ground.NTSB FTW98TA104Accident · Minor injuriesFinal reportHughes 269C · Brackettville, TXfailure of splines on the drive shaft coupling after separation of the forward bubber boot and loss of lubrication (grease), which resulted in a disconnect of the rotor drive system and an autorotation/forced landing. Lack of suitable terrain in the forced…NTSB FTW98LA084Accident · No injuriesLimited investigationFinal reportHughes 269C · Riviera, TXThe total loss of engine power due to a fatigue failure of the crankshaft for undetermined reason. A factor was the lack of suitable terrain for the forced landing.NTSB FTW96LA244Accident · No injuriesLimited investigationFinal reportHughes 269 · Dallas, TXThe student pilot's encounter with dynamic rollover while hovering. Factors were the prevailing high winds and the inadequate supervision provided by the flight instructor.NTSB FTW96LA174Accident · No injuriesLimited investigationFinal reportSchweizer 269C · Silver, TXthe pilot's failure to maintain adequate rotor RPM.NTSB FTW96LA095Accident · No injuriesLimited investigationFinal reportSchweizer 269C · San Ygnacio, TXFailure of the rotor drive system clutch assembly (separation of the swedge ball from the end of the clutch control cable), which resulted in disengagement of the rotor drive system, while the helicopter was in lateral movement at low altitude.NTSB FTW94GA204Accident · Minor injuriesFinal reportHughes 269C · London, TXThe partial power loss due to a sticking valve. Factors were the remaining worn lobes on the camshaft and the lack of suitable terrain onto which a successful forced landing could be executed.NTSB FTW89DRG06Accident · 1 fatalFinal reportHughes 269C · Rocksprings, TXThe pilot diverted his attention from operation of the helicopter, failed to maintian proper rotor RPM, and failed to maintain altitude (clearance) above the ground, while maneuvering at low altitude. A contributing factor was his impairment from use of a…NTSB FTW89LA010Accident · No injuriesLimited investigationFinal reportHughes 269C · Dickens, TXThe pilot was inspecting a herd of cattle when he thought the helicopter was developing a problem with the engine and main rotor. He started an autorotation, lost tail rotor control, and went into a left spin which continued to contact with the ground.…NTSB 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.NTSB FTW87LA008Accident · Minor injuriesLimited investigationFinal reportHughes 269C · Monahans, TXThe acft was destroyed during a forced landing following a partial loss of pwr after liftoff from a trailer. The acft settled back down onto the front of the trailer and subsequently rolled over. The eng continued to run following the roll over. The plt…NTSB 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…NTSB FTW81FA146Accident · 1 fatalClosedHughes 269C · Startzville, TXNTSB FTW79FPD12Accident · No injuriesClosedHughes 269C · Wichita Falls, TXNTSB FTW76DRG62Accident · Minor injuriesClosedHughes 269C · Lampasas, TXNTSB FTW71DRG88Accident · No injuriesClosedHughes 269A · Llano, TXNTSB FTW69F0502Accident · No injuriesClosedHughes 269B · Lubbock, TX