# NTSB investigations: Lycoming HI0-360 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 DEN06CA048](https://openairdocs.org/ntsb/DEN06CA048.md): Enstrom 280F · Peetz, CO · Accident · No injuries · Data collection · Final report · Mar 15, 2006 · N811Z · Substantial damage
  > The pilot's failure to maintain aircraft control while maneuvering resulting in an impact with terrain. Contributing factors were the gusty winds, downdrafts, and box canyon.
- [NTSB IAD05LA122](https://openairdocs.org/ntsb/IAD05LA122.md): Enstrom 280C · Saulsville, WV · Accident · Serious injuries · Limited investigation · Final report · Aug 12, 2005 · N5691B · Substantial damage
  > The pilot's inadequate remedial action following a loss of control during the landing approach.
- [NTSB IAD05CA027](https://openairdocs.org/ntsb/IAD05CA027.md): Enstrom 280C · Pedricktown, NJ · Accident · Minor injuries · Data collection · Final report · Dec 30, 2004 · N175BM · Substantial damage
  > The pilot's failure to maintain control of the helicopter during the takeoff and his failure to flare during the autorotation.
- [NTSB IAD97GA049](https://openairdocs.org/ntsb/IAD97GA049.md): Enstrom 280C · Lucasville, OH · Accident · Serious injuries · Final report · Feb 19, 1997 · N51662 · Substantial damage
  > The pilot in command failure to maintain rotor rpm.
- [NTSB LAX94LA239](https://openairdocs.org/ntsb/LAX94LA239.md): Enstrom 280C · California City, CA · Accident · No injuries · Limited investigation · Final report · Jun 5, 1994 · N123MT · Substantial damage
  > the pilot's inadequate compensation for the gusty wind conditions and his subsequent failure to maintain control of the helicopter.
- [NTSB NYC86LA107](https://openairdocs.org/ntsb/NYC86LA107.md): Enstrom F-280C · Ridgefield, NJ · Accident · No injuries · Limited investigation · Final report · Apr 18, 1986 · N51721 · Substantial damage
  > Seconds after an over-water takeoff from a shoreline helipad the acft impacted the water and sank. The pilot and pax escaped from the submerged acft and were not injured. The pilot claimed that he had a split needle in which the rotor RPM deteriorated. The…
- [NTSB LAX83LA134](https://openairdocs.org/ntsb/LAX83LA134.md): Enstrom F280C · Concord, CA · Accident · Minor injuries · Limited investigation · Final report · Mar 11, 1983 · N5691H · Substantial damage
  > The helicopter collided with a tree during a landing after a decay in rotor RPM during takeoff. According to the pilot the acft was facing southeast prior to departure and the pilot estimated that the wind was from the northwest at 8 KTS. Following a pedal…
- [NTSB DEN82DTM08](https://openairdocs.org/ntsb/DEN82DTM08.md): Enstrom 280C · Midway, UT · Accident · No injuries · Final report · Jan 2, 1982 · N51735 · Destroyed
  > The aircraft crashed while being moved about 150 ft from the parking area to a storage building. There was about 2 1/2 ft of fresh snow on the ground. The snow had been cleared from the parking area in front of the storage building. However, a snow cat had…

## 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 ('41553')
    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=41553&occurrence=250

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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.