# NTSB investigations: Hughes TH-55

A list on [Hughes TH-55](https://openairdocs.org/model/hughes-th-55.md).

Matched to the registry by N-number and event date, newest first.

- [NTSB GAA19CA168](https://openairdocs.org/ntsb/GAA19CA168.md): Hughes TH 55 · Keene, NH · Accident · No injuries · Data collection · Final report · Mar 13, 2019 · N8045H · Substantial damage
  > The helicopter’s collision with a bird during cruise flight.
- [NTSB GAA15CA061](https://openairdocs.org/ntsb/GAA15CA061.md): Hughes TH 55 · Morganton, NC · Accident · Minor injuries · Data collection · Final report · May 5, 2015 · N7089S · Substantial damage
  > The flight instructor's delayed flare during a simulated auto rotation, which resulted in a tail rotor strike and rollover.
- [NTSB ERA12CA357](https://openairdocs.org/ntsb/ERA12CA357.md): Hughes TH-55 · Pittsfield, PA · Accident · No injuries · Data collection · Final report · May 19, 2012 · N74914 · Substantial damage
  > The student pilot's failure to maintain helicopter control during an encounter with loss of tail rotor effectiveness.
- [NTSB LAX08TA116](https://openairdocs.org/ntsb/LAX08TA116.md): Hughes TH-55 · Logan, UT · Accident · No injuries · Final report · Apr 18, 2008 · N6358Z · Substantial damage
  > The pilot's inadequate compensation for the wind conditions and failure to maintain control of the helicopter while hovering. Contributing to the accident were the wind gusts and the pilot's lack of recent experience in helicopters.
- [NTSB MIA07CA103](https://openairdocs.org/ntsb/MIA07CA103.md): Hughes 269A · Las Piedras, PR · Accident · Serious injuries · Data collection · Final report · May 29, 2007 · N63HD · Substantial damage
  > The failure of the non-certificated pilot to maintain a proper rate of descent during the autorotative landing following a reported loss of engine power for undetermined reasons, resulting in a hard landing.
- [NTSB IAD05LA075](https://openairdocs.org/ntsb/IAD05LA075.md): Hughes TH-55 · Paintsville, KY · Accident · Minor injuries · Limited investigation · Final report · Jun 6, 2005 · N2KX · Destroyed
  > the pilot's inadvertent encounter with ground resonance which resulted in destruction of the helicopter.
- [NTSB ATL05CA089](https://openairdocs.org/ntsb/ATL05CA089.md): Hughes TH-55 · Cornelia, GA · Accident · Minor injuries · Data collection · Final report · May 26, 2005 · N681BC · Substantial damage
  > The pilot's failure to maintain adequate object clearance, which resulted in the in-flight collision with terrain, and the subsequent rollover.
- [NTSB ATL01TA081](https://openairdocs.org/ntsb/ATL01TA081.md): Hughes TH-55 · Midway, GA · Accident · No injuries · Final report · Jul 9, 2001 · N7053X · Substantial damage
  > The loss of engine power for undetermined reasons. A factoe was the lack of suitable terrain upon which an emergency landing could be made, which resulted in a rollover upon touchdown in a marshy area.
- [NTSB MIA00LA097](https://openairdocs.org/ntsb/MIA00LA097.md): Hughes TH-55 · Odessa, FL · Accident · No injuries · Limited investigation · Final report · Feb 28, 2000 · N9518K · Substantial damage
  > The pilot's improper use of flight controls (cyclic and col lective) during a autorotation resulting in a hard landing and subsequent roll over.
- [NTSB IAD98LA057](https://openairdocs.org/ntsb/IAD98LA057.md): Hughes 269A · Alexandria Bay, NY · Accident · No injuries · Limited investigation · Final report · May 12, 1998 · N8045H · Substantial damage
  > Failure of the pilot to maintain rotor rpm during practice autorotation, and the flight instructor's inadequate supervision.
- [NTSB ATL98LA021](https://openairdocs.org/ntsb/ATL98LA021.md): Hughes TH-55 · Bushnell, FL · Accident · No injuries · Limited investigation · Final report · Dec 9, 1997 · N74914 · Substantial damage
  > The pilot's failure to maintain clearance from the trees during a hover. A factor was the pilot's diverted attention.
- [NTSB MIA97LA103](https://openairdocs.org/ntsb/MIA97LA103.md): Hughes TH-55 · Cullman, AL · Accident · Serious injuries · Limited investigation · Final report · Mar 28, 1997 · N818D · Substantial damage
  > a loss of engine power for undetermined reasons and the pilot-in-command's failure to maintain control of the helicopter. Factors in this accident were: an improper autorotation as a result of improper collective use and resulting failure to maintain main…
- [NTSB FTW94LA253](https://openairdocs.org/ntsb/FTW94LA253.md): Hughes 269A · Leander, LA · Accident · No injuries · Limited investigation · Final report · Aug 1, 1994 · N9062G · Substantial damage
  > Inadequate maintenance and a fatigue failure of a #1 cylinder connecting rod bolt. A factor was the lack of suitable terrain available to the pilot for a forced landing.
- [NTSB CHI94LA131](https://openairdocs.org/ntsb/CHI94LA131.md): Cessna 172 · Edina, MO · Accident · No injuries · Limited investigation · Final report · Apr 11, 1994 · N4253L · Destroyed
  > the pilot in commands' failure to obtain obstruction clearance from trees during a visual takeoff from a short, soft, wet field in instrument meteorological conditions. A factor was the pilot in commands' misjudgment of the takeoff climb performance of the…
- [NTSB CHI91TL#04](https://openairdocs.org/ntsb/CHI91TL%2304.md): Hughes TH-55A · Roseau, MN · Accident · Minor injuries · Class 3 · Final report · May 30, 1991 · N115NR · Substantial damage
- [NTSB DEN91T#A01](https://openairdocs.org/ntsb/DEN91T%23A01.md): Hughes TH-55 · Traskwood, AR · Accident · 2 fatal · Class 3 · Final report · Apr 23, 1991 · N8127G · Substantial damage
- [NTSB ATL90TL#02](https://openairdocs.org/ntsb/ATL90TL%2302.md): Hughes TH-55 · Brantley, AL · Accident · 1 fatal · Class 3 · Final report · May 31, 1990 · N7054C · Destroyed
- [NTSB MIA90TL#04](https://openairdocs.org/ntsb/MIA90TL%2304.md): Hughes TH-55 · Isle Of Capri, FL · Accident · Minor injuries · Class 3 · Final report · May 11, 1990 · N9048D · Destroyed

## 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_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c."mKey" = a.case_mkey
WHERE a.aircraft_model_code IN ('4471002')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/model/hughes-th-55/ntsb

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