# NTSB investigations: Hughes 269A, MN

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 CEN16LA303](https://openairdocs.org/ntsb/CEN16LA303.md): Hughes 269A · Morris, MN · Accident · No injuries · Limited investigation · Final report · Jul 29, 2016 · N269JB · Substantial damage
  > The pilot's failure to maintain clearance from terrain due to his distraction by the navigation system.
- [NTSB CEN10CA280](https://openairdocs.org/ntsb/CEN10CA280.md): Hughes 269A · Cannon Falls, MN · Accident · No injuries · Data collection · Final report · Jun 1, 2010 · N8897F · Substantial damage
  > The pilot's failure to maintain rotor speed during the autorotation, which resulted in an excessive sink rate and a hard landing.
- [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 CHI85LA352](https://openairdocs.org/ntsb/CHI85LA352.md): Hughes 269A · Hector, MN · Accident · No injuries · Limited investigation · Final report · Aug 18, 1985 · N8777F · Substantial damage
  > After liftoff from an open field, on a short local flight the helicopter experienced fuel exhaustion. During the auto rotation landing, in an open field the helicopter rolled on the side.
- [NTSB MKC75DER68](https://openairdocs.org/ntsb/MKC75DER68.md): Hughes 269A · Lafayette, MN · Accident · No injuries · Closed · May 21, 1975 · N8929F · Substantial damage
- [NTSB MKC71FER69](https://openairdocs.org/ntsb/MKC71FER69.md): Hughes 269A · Montevideo, MN · Accident · No injuries · Closed · Jun 6, 1971 · N8925F · Substantial damage
- [NTSB MKC69F0398](https://openairdocs.org/ntsb/MKC69F0398.md): Hughes 269A · Burnsville, MN · Accident · Minor injuries · Closed · Apr 10, 1969 · N8921F · Destroyed
- [NTSB MKC67A0071](https://openairdocs.org/ntsb/MKC67A0071.md): Hughes 269A · Hancock, MN · Accident · Serious injuries · Closed · May 27, 1967 · N8924F · Substantial damage
- [NTSB MKC66A0068](https://openairdocs.org/ntsb/MKC66A0068.md): Hughes 269A · Minnetonka, MN · Accident · No injuries · Closed · Jun 23, 1966 · N8921F · Substantial damage
- [NTSB MKC66A0038](https://openairdocs.org/ntsb/MKC66A0038.md): Hughes 269A · Excelsior, MN · Accident · Serious injuries · Closed · Jan 15, 1966 · N8865F · Destroyed
- [NTSB MKC66A0037](https://openairdocs.org/ntsb/MKC66A0037.md): Hughes 269A · Big Fork, MN · Accident · No injuries · Closed · Jan 12, 1966 · N8924F · 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" = 'MN' 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 ('4470402'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=4470402&state=MN

---
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.