# NTSB investigations: Hughes 269C, KY

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 NYC01LA131](https://openairdocs.org/ntsb/NYC01LA131.md): Hughes 269C · Fairfield, KY · Accident · Minor injuries · Limited investigation · Final report · May 28, 2001 · N9660F · Substantial damage
  > The pilot's inadequate visual lookout during takeoff, and his inadequate reconnoiter of the area prior to takeoff.
- [NTSB IAD97LA028](https://openairdocs.org/ntsb/IAD97LA028.md): Hughes 269C · Mayfield, KY · Accident · No injuries · Limited investigation · Final report · Dec 4, 1996 · N1105P · Substantial damage
  > disengagement of the main transmission aft pinion nut, allowing the tail rotor splined drive sleeve to disengage from the pinion, which resulted in loss of directional control and an emergency (autorotative) landing.
- [NTSB BFO92FA144](https://openairdocs.org/ntsb/BFO92FA144.md): Hughes 269C · East Bernstadt, KY · Accident · 2 fatal · Field investigation · Final report · Sep 25, 1992 · N9609F · Destroyed
  > Inadequate maintenance inspection involving failure to detect wear of the clutch spring assembly, resulting in the uncoupling of engine power to the main transmission.
- [NTSB BFO91LA014](https://openairdocs.org/ntsb/BFO91LA014.md): Hughes 269C · Louisville, KY · Accident · No injuries · Limited investigation · Final report · Nov 15, 1990 · N9280F · Substantial damage
  > Fatigue failure of the number 1 cylinder connecting rod.
- [NTSB ATL87LA044](https://openairdocs.org/ntsb/ATL87LA044.md): Hughes 269C · Bowling Green, KY · Accident · No injuries · Limited investigation · Final report · Dec 14, 1986 · N7416F · Destroyed
  > While hovering in a grassy area near the hangar facility, the pilot experienced a complete loss of flight control. The helicopter struck the ground and sustained substantial damage. The helicopter component examination failed to disclose any system…
- [NTSB ATL85LA259](https://openairdocs.org/ntsb/ATL85LA259.md): Hughes 269C · Elizabethtown, KY · Accident · No injuries · Limited investigation · Final report · Aug 25, 1985 · N9280F · Substantial damage
  > After takeoff from off airport landing zone, the acft encountered heavy raninshowers and the plt attempted to return to the landing zone. Visibility was such that the plt was unable to see the ground and the tailrotor contacted a lake adjacent to the landing…
- [NTSB ATL82DA258](https://openairdocs.org/ntsb/ATL82DA258.md): Hughes 269C · Louisville, KY · Accident · Minor injuries · Final report · Sep 1, 1982 · N8982F · Substantial damage
  > The pilot received a weather briefing before taking off on an aerial traffic patrol for a local radio station. He was issued a special VFR clearance to follow a pre-established route. However, after departing, he encountered thunderstorm activity. He returned…
- [NTSB ATL81ILQ12](https://openairdocs.org/ntsb/ATL81ILQ12.md): Hughes 300C · Muray, KY · Accident · No injuries · Closed · Jan 17, 1981 · N8656F · Substantial damage
- [NTSB IAD77FLQ14](https://openairdocs.org/ntsb/IAD77FLQ14.md): Hughes 269C · Louisville, KY · Accident · Serious injuries · Closed · May 31, 1977 · N9498F · 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" = 'KY' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('4470504'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=4470504&state=KY

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