# NTSB investigations: Lycoming HIO-360 series 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. Page 7 of 8 · 390 cases ## Cases, newest first - [NTSB CHI85FA210](https://openairdocs.org/ntsb/CHI85FA210.md): Hughes 300 · Joliet, IL · Accident · Minor injuries · Field investigation · Final report · May 26, 1985 · N404Z · Destroyed > The helicopter experienced extreme vertical vibrations while landing from a hover. Inadvertent ground contact during uncontrolled oscillations resulted in destruction of the helicopter. - [NTSB DEN85FA134](https://openairdocs.org/ntsb/DEN85FA134.md): Enstrom F-28F · Carrizozo, NM · Accident · 1 fatal · Field investigation · Final report · May 12, 1985 · N8618A · Substantial damage > The student pilot departed albiquerque, NM with less than full fuel tanks and a worn out eng driven fuel pump which allowed fuel to be pumped overboard. No flt plan was filed. During his VMC x-country flt, the eng failed and an unsuccessful autorotation… - [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 SEA85LA079](https://openairdocs.org/ntsb/SEA85LA079.md): Hughes 269C · Elma, WA · Accident · No injuries · Limited investigation · Final report · Mar 20, 1985 · N9592F · Substantial damage > Just prior to lift-off a vibration accompanied by lateral rocking occurred. Although the plt brought the power to idle. The helicopter had already started to come apart. During engine examination it was found that the ground resonance occurred due to under to… - [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 MKC84LA265](https://openairdocs.org/ntsb/MKC84LA265.md): Hughes 269C · Witts Springs, AR · Accident · No injuries · Limited investigation · Final report · Aug 29, 1984 · N7487F · Substantial damage > While manuevering at an alt of 35 to 40 ft above tree the plt felt a shutter and low frequency shaking of the rotor disk. Rotor RPM and engine RPM decreased and the acft entered a shallow descent. The plt applied forward cyclic, reduced collective and… - [NTSB SEA84LA153](https://openairdocs.org/ntsb/SEA84LA153.md): Hughes 269C · Mt. St. Helens, WA · Accident · Minor injuries · Limited investigation · Final report · Jul 2, 1984 · N58397 · Destroyed > This accident occurred at the 5500 ft level on Mt. St. Helens. Density alt at the time was 7500 ft. at aprx 40-50 ft aglengine and rotor RPM began to decay rapidly. The acft landed hard on a rock ledge with one skid partially off the ledge. As rotor RPM… - [NTSB SEA84LA021](https://openairdocs.org/ntsb/SEA84LA021.md): Enstrom F28F · Hillsboro, OR · Accident · Minor injuries · Limited investigation · Final report · Nov 15, 1983 · N8622U · Substantial damage > The acft did a hard landing during autorotation after the engine ran rough and quit at 250 ft AGL during takeoff. The pilot had leaned the mixture, he said, prior to takeoff and he was not sure if he pushed the mixture to full rich when the engine started to… - [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 NYC83LA206](https://openairdocs.org/ntsb/NYC83LA206.md): Hughes 269C · Spring House, PA · Accident · No injuries · Limited investigation · Final report · Aug 10, 1983 · N1093Y · Substantial damage > The helicopter rolled over during a practice demonstration autorotation landing. The CFI was at the controls with the student following through. According to the instructor the student overrode the controls just prior to touchdown with too much cyclic. The… - [NTSB ATL83LA297](https://openairdocs.org/ntsb/ATL83LA297.md): Hughes 269B · Summerville, SC · Accident · No injuries · Limited investigation · Final report · Jul 29, 1983 · N9419F · Substantial damage > The helicopter was being used in controlled burning of timberland. While being operated at an alt of aprx 20 ft over wind rows of organic material, there was a partial loss of eng power. The plt stated that he was unable to maintain a hover, so he landed on… - [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 MIA83LA087](https://openairdocs.org/ntsb/MIA83LA087.md): Hughes 269A · St. Petersburg, FL · Accident · No injuries · Limited investigation · Final report · Mar 18, 1983 · N9020M · Substantial damage > The helicopter contacted the ground with a skid during a hover and ended up in a dynamic roll over. This was a dual instructional flt and the student was at the controls in a hover at the runways end awaiting twr instructions when the right skid became stuck… - [NTSB LAX82FA343](https://openairdocs.org/ntsb/LAX82FA343.md): Hughes 269C · North Highlands, CA · Accident · Serious injuries · Field investigation · Final report · Sep 13, 1982 · N8651F · Destroyed > The 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… - [NTSB LAX82DA283](https://openairdocs.org/ntsb/LAX82DA283.md): Enstrom F28C · Phoenix, AZ · Accident · No injuries · Final report · Jul 31, 1982 · N5688N · Substantial damage > The helicopter made a forced landing in a cotton field after tail rotor driveshaft failure. Examination showed a ductileshear overload failure. No evidence of fatigue was reported. - [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 MKC82DA046](https://openairdocs.org/ntsb/MKC82DA046.md): Enstrom F-28A · Parsons, KS · Accident · No injuries · Final report · Mar 20, 1982 · N101AE · Substantial damage > The pilot was rated in fixed wing aircraft, but he was a student pilot in helicopters. He had only 40 hours in rotorcraft. During a cross-country in his own helicopter, he ran out of fuel and struck trees during an auto-rotative landing. The pilot stated that… - [NTSB DEN82DA021](https://openairdocs.org/ntsb/DEN82DA021.md): Hughes 269C · Bondurant, WY · Accident · No injuries · Final report · Jan 20, 1982 · N7402F · Substantial damage > The pilot stated that he became disoriented in a white out condition due to blowing snow during a landing attempt. He then lowered the collective to stop the blowing snow and the left side of the helicopter broke through the crust of a four foot thick snow… - [NTSB SEA82DA019](https://openairdocs.org/ntsb/SEA82DA019.md): Hughes 269C · S.E. Of Malta, ID · Accident · No injuries · Final report · Jan 15, 1982 · N58203 · Substantial damage > The purpose of the flight was for predator (coyote) control. The pilot was following a coyote at a low-altitude, moderate-speed air taxi over snow and sagebrush covered terrain. One of the aircraft's snowboards caught several sagebrush limbs and the pilot… - [NTSB LAX82DVA06](https://openairdocs.org/ntsb/LAX82DVA06.md): Enstrom F-28C · Shaver Lake, CA · Accident · No injuries · Closed · Oct 22, 1981 · N56876 · Substantial damage - [NTSB ANC82DAG01](https://openairdocs.org/ntsb/ANC82DAG01.md): Enstrom F-28C · Big Lake, AK · Accident · No injuries · Closed · Oct 1, 1981 · N51727 · Substantial damage - [NTSB FTW81FA146](https://openairdocs.org/ntsb/FTW81FA146.md): Hughes 269C · Startzville, TX · Accident · 1 fatal · Closed · Sep 21, 1981 · N8322F · Destroyed - [NTSB DEN81DTK23](https://openairdocs.org/ntsb/DEN81DTK23.md): Hughes 269C · Wilmot, SD · Accident · Minor injuries · Closed · Sep 10, 1981 · N8954F · Substantial damage - [NTSB SEA81FYP28](https://openairdocs.org/ntsb/SEA81FYP28.md): Enstrom F-28C · Rice, WA · Accident · Minor injuries · Closed · Jul 21, 1981 · N5689M · Destroyed - [NTSB ATL81FIA06](https://openairdocs.org/ntsb/ATL81FIA06.md): Hughes 269C · Washington, DC · Accident · No injuries · Closed · May 4, 1981 · N7447F · Substantial damage - [NTSB ATL81FLT08](https://openairdocs.org/ntsb/ATL81FLT08.md): Hughes 269C · Ridgely, TN · Accident · No injuries · Closed · May 3, 1981 · N7487F · Substantial damage - [NTSB MIA81DKT45](https://openairdocs.org/ntsb/MIA81DKT45.md): Hughes 269C · Miami, FL · Accident · No injuries · Closed · Apr 18, 1981 · N10926 · Substantial damage - [NTSB FTW81DA049](https://openairdocs.org/ntsb/FTW81DA049.md): Hughes 269C · Yukon, OK · Accident · Minor injuries · Closed · Mar 19, 1981 · N8647F · Destroyed - [NTSB SEA81FYM07](https://openairdocs.org/ntsb/SEA81FYM07.md): Hughes 269C · Pilot Rock, OR · Accident · No injuries · Closed · Aug 31, 1980 · N9643F · Substantial damage - [NTSB FTW80DRD54](https://openairdocs.org/ntsb/FTW80DRD54.md): Hughes 269B · Wakefield, LA · Accident · Minor injuries · Closed · Aug 16, 1980 · N1093D · Substantial damage - [NTSB MKC80DCD30](https://openairdocs.org/ntsb/MKC80DCD30.md): Hughes 269C · Ellsworth, IA · Accident · No injuries · Closed · Aug 14, 1980 · N7480F · Substantial damage - [NTSB MKC80FCD21](https://openairdocs.org/ntsb/MKC80FCD21.md): Hughes 269C · Council Bluffs, IA · Accident · No injuries · Closed · Jul 23, 1980 · N8644F · Substantial damage - [NTSB CHI80FEG19](https://openairdocs.org/ntsb/CHI80FEG19.md): Enstrom F-28 · Xenia, OH · Accident · No injuries · Closed · Jul 13, 1980 · N51789 · Substantial damage - [NTSB CHI80FEG17](https://openairdocs.org/ntsb/CHI80FEG17.md): Enstrom F-28C · Lebanon, OH · Accident · No injuries · Closed · Jul 1, 1980 · N572H · Substantial damage - [NTSB CHI80FEK17](https://openairdocs.org/ntsb/CHI80FEK17.md): Enstrom F-28C · Columbus, OH · Accident · No injuries · Closed · Jun 27, 1980 · N51786 · Substantial damage - [NTSB ATL80FLG15](https://openairdocs.org/ntsb/ATL80FLG15.md): Hughes 269 · Beaufort, SC · Accident · No injuries · Closed · Jun 27, 1980 · N8845F · Destroyed - [NTSB ANC80FA052](https://openairdocs.org/ntsb/ANC80FA052.md): Enstrom F-28-C · Talkeetna, AK · Accident · No injuries · Closed · Jun 19, 1980 · N544H · Substantial damage - [NTSB NYC80FFJ06](https://openairdocs.org/ntsb/NYC80FFJ06.md): Hughes 269A · Rochester, NY · Accident · Minor injuries · Closed · May 12, 1980 · N8748F · Substantial damage - [NTSB ATL80FLT07](https://openairdocs.org/ntsb/ATL80FLT07.md): Hughes 269C · Martin, TN · Accident · No injuries · Closed · May 3, 1980 · N9665F · Substantial damage - [NTSB LAX80FVG26](https://openairdocs.org/ntsb/LAX80FVG26.md): Enstrom F28C · Sacramento, CA · Accident · No injuries · Closed · Apr 16, 1980 · N51764 · Substantial damage - [NTSB CHI80FA014](https://openairdocs.org/ntsb/CHI80FA014.md): Hughes 269C · West Milton, OH · Accident · 1 fatal · Closed · Dec 15, 1979 · N7483F · Destroyed - [NTSB LAX80DVA06](https://openairdocs.org/ntsb/LAX80DVA06.md): Enstrom F-28A · Woodlake, CA · Accident · No injuries · Closed · Dec 12, 1979 · N521H · Substantial damage - [NTSB NYC80FHJ04](https://openairdocs.org/ntsb/NYC80FHJ04.md): Enstrom F28C · Oakdale, NY · Accident · Serious injuries · Closed · Nov 24, 1979 · N642H · Substantial damage - [NTSB CHI79FEK24](https://openairdocs.org/ntsb/CHI79FEK24.md): Hughes 269B · New Knoxville, OH · Accident · No injuries · Closed · Sep 27, 1979 · N62402 · Substantial damage - [NTSB LAX79FUK19](https://openairdocs.org/ntsb/LAX79FUK19.md): Hughes 269A · Phoenix, AZ · Accident · No injuries · Closed · Sep 11, 1979 · N87592 · Substantial damage - [NTSB MIA79DKG57](https://openairdocs.org/ntsb/MIA79DKG57.md): Hughes 269C · Montezuma, GA · Accident · No injuries · Closed · Aug 7, 1979 · N7422F · Substantial damage - [NTSB NYC79FGM40](https://openairdocs.org/ntsb/NYC79FGM40.md): Hughes 300C · Barnesboro, PA · Accident · No injuries · Closed · Jul 30, 1979 · N8641F · Destroyed - [NTSB MKC79FCD24](https://openairdocs.org/ntsb/MKC79FCD24-135472.md): Hughes 269B · Wellman, IA · Accident · No injuries · Closed · Jun 28, 1979 · N9416F · Substantial damage - [NTSB OAK79FJA08](https://openairdocs.org/ntsb/OAK79FJA08.md): Enstrom F-28C · Honolulu, HI · Accident · No injuries · Closed · Mar 28, 1979 · N623H · Destroyed - [NTSB FTW79FPD12](https://openairdocs.org/ntsb/FTW79FPD12.md): Hughes 269C · Wichita Falls, TX · Accident · No injuries · Closed · Mar 26, 1979 · N8970F · Substantial damage Next page: https://openairdocs.org/ntsb.md?engine=41524&page=8 ## 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')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?engine=41524&page=7 --- 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.