# NTSB investigations: Lycoming HIO-360 series: Loss of control - in flight 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 SEA08FA022](https://openairdocs.org/ntsb/SEA08FA022.md): Hughes 269C · Baker City, OR · Accident · 1 fatal · Field investigation · Final report · Nov 8, 2007 · N381MC · Substantial damage > The pilot’s failure to maintain main rotor rpm while maneuvering. - [NTSB DFW07CA146](https://openairdocs.org/ntsb/DFW07CA146.md): Schweizer 269C · Slidell, LA · Accident · No injuries · Data collection · Final report · Jun 28, 2007 · N292B · Substantial damage > The pilot's encounter with settling with power condition while hovering out of ground effect. A contributing factor was the prevailing tailwind. - [NTSB NYC06CA008](https://openairdocs.org/ntsb/NYC06CA008.md): Enstrom F-28C · Smoketown, PA · Accident · No injuries · Data collection · Final report · Oct 11, 2005 · N51772 · Substantial damage > The student pilot's failure to maintain aircraft control while performing pedal turns at a hover, resulting in a collision with terrain. - [NTSB SEA05CA149](https://openairdocs.org/ntsb/SEA05CA149.md): Hughes 269A · Laurel, MT · Accident · Minor injuries · Data collection · Final report · Jul 21, 2005 · N801CP · Substantial damage > the pilot's failure to maintain rotor rpm while executing a pinnacle approach, which resulted in a loss of control and collision with terrain. - [NTSB DEN05CA079](https://openairdocs.org/ntsb/DEN05CA079.md): Schweizer 269C · Pueblo, CO · Accident · No injuries · Data collection · Final report · May 19, 2005 · N958CP · Substantial damage > the 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. - [NTSB SEA05CA083](https://openairdocs.org/ntsb/SEA05CA083.md): Hughes 269A · Whitefish, MT · Accident · No injuries · Data collection · Final report · Apr 17, 2005 · N7054C · Substantial damage > The 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. - [NTSB LAX05LA039](https://openairdocs.org/ntsb/LAX05LA039.md): Schweizer 269C · Rialto, CA · Accident · No injuries · Limited investigation · Final report · Nov 22, 2004 · N45012 · Substantial damage > the pilot's failure to maintain adequate rotor rpm and altitude/clearance during the takeoff initial climb. - [NTSB MIA05CA006](https://openairdocs.org/ntsb/MIA05CA006.md): Schweizer 269C · Diamond Head, MS · Accident · No injuries · Data collection · Final report · Oct 16, 2004 · N119DM · Destroyed > The 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. - [NTSB NYC05CA008](https://openairdocs.org/ntsb/NYC05CA008.md): Hughes 269C · Minerva, OH · Accident · No injuries · Data collection · Final report · Oct 10, 2004 · N7423F · Substantial damage > The pilot's failure to maintain control of the helicopter during liftoff. - [NTSB DEN03LA115](https://openairdocs.org/ntsb/DEN03LA115.md): Schweizer 269C · Bountiful, UT · Accident · No injuries · Limited investigation · Final report · Jun 28, 2003 · N3623U · Substantial damage > the 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. - [NTSB FTW03LA122](https://openairdocs.org/ntsb/FTW03LA122.md): Enstrom F-28F · Monroe, LA · Accident · No injuries · Limited investigation · Final report · Apr 5, 2003 · N86238 · Substantial damage > The pilot's failure to maintain control of the helicopter. A contributing factor was the crosswind. - [NTSB SEA02LA150](https://openairdocs.org/ntsb/SEA02LA150.md): Hughes 269A · Covington, WA · Accident · No injuries · Limited investigation · Final report · Aug 10, 2002 · N90271 · Substantial damage > Aircraft control not maintained while hovering. - [NTSB LAX02LA161](https://openairdocs.org/ntsb/LAX02LA161.md): Schweizer 269C · Phoenix, AZ · Accident · Minor injuries · Limited investigation · Final report · May 13, 2002 · N577TA · Substantial damage > the 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. - [NTSB FTW02LA104](https://openairdocs.org/ntsb/FTW02LA104.md): Hughes 269A-1 · Fort Collins, CO · Accident · No injuries · Limited investigation · Final report · Mar 27, 2002 · N8942F · Substantial damage > the flight instructor's failure to maintain control of the helicopter while hovering. Contributing factors were the tailwind and gusty wind conditions. - [NTSB NYC01LA206](https://openairdocs.org/ntsb/NYC01LA206.md): Schweizer 300C · Cicero, NY · Accident · Minor injuries · Limited investigation · Final report · Aug 8, 2001 · N1281R · Substantial damage > The pilot's failure to maintain directional control while hovering, and the CFI's delayed remedial action. - [NTSB LAX01LA120](https://openairdocs.org/ntsb/LAX01LA120.md): Enstrom F-28C · Hollister, CA · Accident · Minor injuries · Limited investigation · Final report · Mar 18, 2001 · N637H · Destroyed > the pilot's inadequate use of the antitorque controls and subsequent failure to maintain directional control of the helicopter during the takeoff initial climb. - [NTSB LAX00LA276](https://openairdocs.org/ntsb/LAX00LA276.md): Schweizer 269C · Cave Creek, AZ · Accident · No injuries · Limited investigation · Final report · Jul 19, 2000 · N577TA · Substantial damage > The 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. - [NTSB LAX00LA226](https://openairdocs.org/ntsb/LAX00LA226.md): Hughes 269C · Santa Clarita, CA · Accident · No injuries · Limited investigation · Final report · Jun 14, 2000 · N9692F · Substantial damage > Settling 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… - [NTSB SEA00LA103](https://openairdocs.org/ntsb/SEA00LA103.md): Enstrom F-28C · Kennewick, WA · Accident · No injuries · Limited investigation · Final report · Jun 8, 2000 · N80193 · Substantial damage > The 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. - [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 MIA00GA057](https://openairdocs.org/ntsb/MIA00GA057.md): Hughes OH-6A · Fort Myers, FL · Accident · Serious injuries · Final report · Dec 20, 1999 · N72LC · Substantial damage > improper 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. - [NTSB NYC99LA082](https://openairdocs.org/ntsb/NYC99LA082.md): Schweizer 269C · Westerville, OH · Accident · Serious injuries · Limited investigation · Final report · Mar 29, 1999 · N15SS · Substantial damage > The failure of the pilot to maintain control of the helicopter. - [NTSB CHI99LA006](https://openairdocs.org/ntsb/CHI99LA006.md): Schweizer 269C · Oshkosh, NE · Accident · No injuries · Limited investigation · Final report · Oct 10, 1998 · N151KC · Substantial damage > the 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. - [NTSB NYC98LA025](https://openairdocs.org/ntsb/NYC98LA025.md): Hughes 269B · Cleveland, OH · Accident · No injuries · Limited investigation · Final report · Oct 31, 1997 · N2273W · Substantial damage > the pilot's failure to recover from settling-with-power. Factors relating to the accident were: the pilot's downwind approach and low airspeed. - [NTSB ATL97LA114](https://openairdocs.org/ntsb/ATL97LA114.md): Hughes 269A · Dandridge, TN · Accident · No injuries · Limited investigation · Final report · Aug 10, 1997 · N7050D · Substantial damage > the 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. - [NTSB MIA97LA084](https://openairdocs.org/ntsb/MIA97LA084.md): Hughes 269A · Homosassa, FL · Accident · No injuries · Limited investigation · Final report · Feb 7, 1997 · N9061R · Substantial damage > the 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. - [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 NYC93GA151](https://openairdocs.org/ntsb/NYC93GA151.md): Enstrom F-28C · Gallipolis, OH · Accident · Serious injuries · Final report · Aug 12, 1993 · N51786 · Substantial damage > The 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. - [NTSB DEN93LA070](https://openairdocs.org/ntsb/DEN93LA070.md): Enstrom F-28C · Boulder, CO · Accident · No injuries · Limited investigation · Final report · Jun 27, 1993 · N625H · Substantial damage > A 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. - [NTSB DEN92LA001](https://openairdocs.org/ntsb/DEN92LA001.md): Enstrom F-28C · Evergreen, CO · Accident · No injuries · Limited investigation · Final report · Oct 2, 1991 · N552H · Substantial damage > In flight encounter with a sudden downdraft. A factor was: the pilot's lack of total experience in aircraft type. - [NTSB SEA91LA044](https://openairdocs.org/ntsb/SEA91LA044.md): Schweizer Hughes 269C · Princeton, OR · Accident · No injuries · Limited investigation · Final report · Jan 19, 1991 · N75070 · Substantial damage > The 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… - [NTSB LAX90LA065](https://openairdocs.org/ntsb/LAX90LA065.md): Hughes 269C · Rialto, CA · Accident · No injuries · Limited investigation · Final report · Jan 6, 1990 · N7456F · Destroyed > The 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. - [NTSB ATL90LA043](https://openairdocs.org/ntsb/ATL90LA043.md): Schweizer 269C · Norcross, GA · Accident · No injuries · Limited investigation · Final report · Dec 22, 1989 · N75068 · Substantial damage > The student pilot's improper execution of the landing procedure resulting in dynamic roll-over of the helicopter. - [NTSB MIA89LA231](https://openairdocs.org/ntsb/MIA89LA231.md): Hughes 269A · Jacksonville, FL · Accident · Minor injuries · Limited investigation · Final report · Aug 25, 1989 · N9014N · Substantial damage > Inadequate 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. - [NTSB NYC89LA114](https://openairdocs.org/ntsb/NYC89LA114.md): Hughes 269C · Rosehayn, NJ · Accident · Serious injuries · Limited investigation · Final report · Apr 11, 1989 · N1093Y · Substantial damage > The pilots failure to maintain control of the aircraft during landing. This resulted in an uncontrolled touchdown and rollover of the helicopter. - [NTSB CHI89LA029](https://openairdocs.org/ntsb/CHI89LA029.md): Mcdonnell Douglas 269C · Frankfort, IL · Accident · Minor injuries · Limited investigation · Final report · Nov 28, 1988 · N1098P · Substantial damage > The 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… - [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 CHI87LA150](https://openairdocs.org/ntsb/CHI87LA150.md): Hughes 300C · Aurora, IL · Accident · No injuries · Limited investigation · Final report · Jun 17, 1987 · N3625B · Substantial damage > While 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… - [NTSB MIA87LA089](https://openairdocs.org/ntsb/MIA87LA089.md): Hughes 269A · Jacksonville, FL · Accident · No injuries · Limited investigation · Final report · Feb 20, 1987 · N90270 · Substantial damage > The 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… - [NTSB MKC86LA196](https://openairdocs.org/ntsb/MKC86LA196.md): Floyd R.Harris Eagle 2 · Joplin, MO · Accident · No injuries · Limited investigation · Final report · Sep 28, 1986 · N25FH · Substantial damage > Pilot 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… - [NTSB CHI86FER03](https://openairdocs.org/ntsb/CHI86FER03.md): Hughes 269A (TH-55A) · Lakeville, MN · Accident · Minor injuries · Final report · Mar 29, 1986 · N10415 · Destroyed > The 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… - [NTSB NYC86LA011](https://openairdocs.org/ntsb/NYC86LA011.md): Enstrom F-28C · Linden, NJ · Accident · No injuries · Limited investigation · Final report · Oct 17, 1985 · N5691Y · Substantial damage > The 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. - [NTSB MIA85LA133](https://openairdocs.org/ntsb/MIA85LA133.md): Hughes 269C · Tampa, FL · Accident · No injuries · Limited investigation · Final report · Mar 26, 1985 · N58208 · Substantial damage > The 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… - [NTSB LAX85LA063](https://openairdocs.org/ntsb/LAX85LA063.md): Hughes 269C · Boulevard, CA · Accident · No injuries · Limited investigation · Final report · Dec 8, 1984 · N8663F · Substantial damage > Plt 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… - [NTSB LAX83LA429](https://openairdocs.org/ntsb/LAX83LA429.md): Enstrom F-28C · Quincy, CA · Accident · No injuries · Limited investigation · Final report · Sep 8, 1983 · N619H · Substantial damage > The 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… - [NTSB LAX83FA266](https://openairdocs.org/ntsb/LAX83FA266.md): Enstrom F28C · Mesa, AZ · Accident · Serious injuries · Field investigation · Final report · Jun 7, 1983 · N51684 · Destroyed > The 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… - [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… ## 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."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 ``` This list as a web page: https://openairdocs.org/ntsb?engine=41524&occurrence=250 --- 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.