# NTSB investigations: Lycoming HIO-360 series, TX NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports. ## Latest cases - [NTSB CEN25LA103](https://openairdocs.org/ntsb/CEN25LA103.md): Starduster II · Azle, TX · Accident · Minor injuries · Class 3 · Limited · Preliminary report · Feb 24, 2025 · N78WT · Destroyed > On 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 CEN20CA240](https://openairdocs.org/ntsb/CEN20CA240.md): Schweizer 269C · Sheffield, TX · Accident · No injuries · Class 4 · Data collection · Final report · Jun 21, 2020 · N298TH · Substantial damage > The pilot's failure to maintain adequate clearance from a fence while hovering. - [NTSB GAA18CA168](https://openairdocs.org/ntsb/GAA18CA168.md): Hughes 269 · San Antonio, TX · Accident · Minor injuries · Data collection · Final report · Mar 14, 2018 · N11047 · Substantial damage > The pilot’s decision to relinquish the helicopter flight controls to a non-rated passenger during a 3 ft hover. - [NTSB CEN16FA315](https://openairdocs.org/ntsb/CEN16FA315.md): Hughes 269C · Howe, TX · Accident · 1 fatal · Field investigation · Final report · Aug 10, 2016 · N9277R · Substantial damage > The 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 GAA15CA197](https://openairdocs.org/ntsb/GAA15CA197.md): Hughes 269C · Atlanta, TX · Accident · No injuries · Data collection · Final report · Jul 21, 2015 · N58397 · Substantial damage > The non-helicopter rated pilot's improper landing flare, which resulted in impact with terrain. - [NTSB CEN14LA269](https://openairdocs.org/ntsb/CEN14LA269.md): Schweizer 269C · Temple, TX · Accident · No injuries · Limited investigation · Final report · May 31, 2014 · N902CP · Substantial damage > Ground resonance due to maintenance personnel’s improper inspection of the landing gear dampers, which resulted in the dampers operating outside of allowable limits. - [NTSB CEN14LA222](https://openairdocs.org/ntsb/CEN14LA222.md): Hughes 269A · Cleburne, TX · Accident · Minor injuries · Limited investigation · Final report · Apr 25, 2014 · N90636 · Substantial damage > The 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 CEN13LA099](https://openairdocs.org/ntsb/CEN13LA099.md): Enstrom F-28C · Abilene, TX · Accident · No injuries · Limited investigation · Final report · Dec 7, 2012 · N574H · Substantial damage > The 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 CEN12LA181](https://openairdocs.org/ntsb/CEN12LA181.md): Sikorsky 269C · Staples, TX · Accident · No injuries · Limited investigation · Final report · Mar 5, 2012 · N1099N · Substantial damage > The 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 CEN12CA031](https://openairdocs.org/ntsb/CEN12CA031.md): Hughes 269A · Fort Worth, TX · Accident · No injuries · Data collection · Final report · Oct 14, 2011 · N10375 · Substantial damage > The inadvertent entry into ground resonance after a hovering autorotation. - [NTSB CEN11CA442](https://openairdocs.org/ntsb/CEN11CA442.md): Schweizer 269C · Katy, TX · Accident · No injuries · Data collection · Final report · Jul 3, 2011 · N72DC · Substantial damage > The pilot's failure to maintain adequate rotor rpm during a low-altitude maneuvering flight. - [NTSB CEN09LA202](https://openairdocs.org/ntsb/CEN09LA202.md): Hughes 269C · El Indio, TX · Accident · Serious injuries · Limited investigation · Final report · Mar 11, 2009 · N64731 · Substantial damage > The pilot's failure to maintain control of the helicopter while attempting to land on a transport trailer in heavy rain and gusting winds. - [NTSB DFW08CA114](https://openairdocs.org/ntsb/DFW08CA114.md): Hughes 269A · Killeen, TX · Accident · No injuries · Data collection · Final report · Apr 23, 2008 · N9064N · Substantial damage > The 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 DFW07LA061](https://openairdocs.org/ntsb/DFW07LA061.md): Hughes 269A · Fulshear, TX · Accident · Minor injuries · Limited investigation · Final report · Jan 27, 2007 · N8503A · Substantial damage > The loss of engine power for undetermined reasons. A contributing factor was the lack of suitable terrain for the forced landing. - [NTSB DFW05CA168](https://openairdocs.org/ntsb/DFW05CA168.md): Hughes 269C · Bruceville, TX · Accident · No injuries · Data collection · Final report · Jun 23, 2005 · N7487F · Substantial damage > The flight instructor's improper flare during autorotation, which resulted in a hard landing. Contributing factor was, the lack of suitable terrain. - [NTSB FTW04LA212](https://openairdocs.org/ntsb/FTW04LA212.md): Enstrom F-28F · De Leon, TX · Accident · Minor injuries · Limited investigation · Final report · Aug 7, 2004 · N78616 · Substantial damage > The 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 FTW03TA190](https://openairdocs.org/ntsb/FTW03TA190.md): Hughes 269A · Freer, TX · Accident · Minor injuries · Final report · Jul 30, 2003 · N81170 · Substantial damage > Loss of engine power for undetermined reasons. - [NTSB MIA00GA121](https://openairdocs.org/ntsb/MIA00GA121.md): Hughes 269C · Del Rio, TX · Accident · 2 fatal · Final report · Mar 27, 2000 · N1110N · Destroyed > An 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 FTW00LA105](https://openairdocs.org/ntsb/FTW00LA105.md): Schweizer 300C · New Ulm, TX · Accident · No injuries · Limited investigation · Final report · Mar 26, 2000 · N698SM · Substantial damage > The 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 FTW98LA362](https://openairdocs.org/ntsb/FTW98LA362.md): Hughes 269C · Houston, TX · Accident · Minor injuries · Limited investigation · Final report · Aug 17, 1998 · N1103R · Substantial damage > The 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 FTW98LA279](https://openairdocs.org/ntsb/FTW98LA279.md): Schweizer 269C · San Angelo, TX · Accident · No injuries · Limited investigation · Final report · May 20, 1998 · N41TH · Substantial damage > The improper touchdown executed by the flight instructor, which resulted in the tail rotor impacting the ground. - [NTSB FTW98TA104](https://openairdocs.org/ntsb/FTW98TA104.md): Hughes 269C · Brackettville, TX · Accident · Minor injuries · Final report · Jan 22, 1998 · N1093N · Substantial damage > failure 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 FTW98LA084](https://openairdocs.org/ntsb/FTW98LA084.md): Hughes 269C · Riviera, TX · Accident · No injuries · Limited investigation · Final report · Jan 2, 1998 · N1091Y · Substantial damage > The 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 FTW96LA244](https://openairdocs.org/ntsb/FTW96LA244.md): Hughes 269 · Dallas, TX · Accident · No injuries · Limited investigation · Final report · Jun 8, 1996 · N269A · Substantial damage > The 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 FTW96LA174](https://openairdocs.org/ntsb/FTW96LA174.md): Schweizer 269C · Silver, TX · Accident · No injuries · Limited investigation · Final report · Apr 18, 1996 · N430CK · Substantial damage > the pilot's failure to maintain adequate rotor RPM. - [NTSB FTW96LA095](https://openairdocs.org/ntsb/FTW96LA095.md): Schweizer 269C · San Ygnacio, TX · Accident · No injuries · Limited investigation · Final report · Jan 12, 1996 · N3623T · Substantial damage > Failure 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 FTW94GA204](https://openairdocs.org/ntsb/FTW94GA204.md): Hughes 269C · London, TX · Accident · Minor injuries · Final report · Jun 20, 1994 · N7404F · Destroyed > The 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 FTW89DRG06](https://openairdocs.org/ntsb/FTW89DRG06.md): Hughes 269C · Rocksprings, TX · Accident · 1 fatal · Final report · May 18, 1989 · N58228 · Destroyed > The 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 FTW89LA010](https://openairdocs.org/ntsb/FTW89LA010.md): Hughes 269C · Dickens, TX · Accident · No injuries · Limited investigation · Final report · Oct 27, 1988 · N7463F · Destroyed > The 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 FTW88LA080](https://openairdocs.org/ntsb/FTW88LA080.md): Hughes 269C · Tomball, TX · Accident · Minor injuries · Limited investigation · Final report · Mar 15, 1988 · N58332 · Substantial damage > As 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 FTW87LA008](https://openairdocs.org/ntsb/FTW87LA008.md): Hughes 269C · Monahans, TX · Accident · Minor injuries · Limited investigation · Final report · Oct 24, 1986 · N8970F · Destroyed > The 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 FTW82DA251](https://openairdocs.org/ntsb/FTW82DA251.md): Hughes 269C · Canadian, TX · Accident · No injuries · Final report · Jun 28, 1982 · N58407 · Substantial damage > The 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 FTW81FA146](https://openairdocs.org/ntsb/FTW81FA146.md): Hughes 269C · Startzville, TX · Accident · 1 fatal · Closed · Sep 21, 1981 · N8322F · Destroyed - [NTSB FTW79FPD12](https://openairdocs.org/ntsb/FTW79FPD12.md): Hughes 269C · Wichita Falls, TX · Accident · No injuries · Closed · Mar 26, 1979 · N8970F · Substantial damage - [NTSB FTW76DRG62](https://openairdocs.org/ntsb/FTW76DRG62.md): Hughes 269C · Lampasas, TX · Accident · Minor injuries · Closed · Jun 26, 1976 · N8970F · Substantial damage - [NTSB FTW71DRG88](https://openairdocs.org/ntsb/FTW71DRG88.md): Hughes 269A · Llano, TX · Accident · No injuries · Closed · Feb 26, 1971 · N8845F · Substantial damage - [NTSB FTW69F0502](https://openairdocs.org/ntsb/FTW69F0502.md): Hughes 269B · Lubbock, TX · Accident · No injuries · Closed · May 1, 1969 · N9489F · Substantial damage ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql 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 ``` This list as a web page: https://openairdocs.org/ntsb?engine=41524&state=TX --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.