# NTSB investigations: Hughes 269B, OR

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 SEA93IA073](https://openairdocs.org/ntsb/SEA93IA073.md): Hughes 269B · Mcminnville, OR · Incident · No injuries · Incident investigation · Final report · Mar 5, 1993 · N9474F · Minor damage
  > An inflight loss of control, and inadequate remedial action. Factors include a tailwind, and gusts.
- [NTSB SEA92LA005](https://openairdocs.org/ntsb/SEA92LA005.md): Hughes 269B · Hillsboro, OR · Accident · No injuries · Limited investigation · Final report · Oct 12, 1991 · N9474F · Substantial damage
  > The failure to maintain rotor RPM. Factors include inadequate preflight planning, overconfidence in aircraft's ability, and non-suitable terrain.
- [NTSB SEA91LA137](https://openairdocs.org/ntsb/SEA91LA137.md): Hughes 269B · Warrenton, OR · Accident · Minor injuries · Limited investigation · Final report · Jun 19, 1991 · N9380F · Substantial damage
  > The pilot failed to maintain proper rotor speed during a simulated autorotation.
- [NTSB SEA91LA104](https://openairdocs.org/ntsb/SEA91LA104.md): Hughes 269B · Grand Ronde, OR · Accident · No injuries · Limited investigation · Final report · May 14, 1991 · N9506F · Substantial damage
  > The pilot inadvertently interfered with the controls.
- [NTSB SEA71FYC35](https://openairdocs.org/ntsb/SEA71FYC35.md): Hughes 269B · Portland, OR · Accident · No injuries · Closed · Apr 26, 1971 · N9477F · Substantial damage
- [NTSB SEA71DWA21](https://openairdocs.org/ntsb/SEA71DWA21.md): Hughes 269B · Meacham, OR · Accident · Minor injuries · Closed · Oct 4, 1970 · N9354F · Destroyed
- [NTSB SEA68D0311](https://openairdocs.org/ntsb/SEA68D0311.md): Hughes 269B · Tigard, OR · Accident · No injuries · Closed · Apr 20, 1968 · N9477F · Substantial damage
- [NTSB SEA68A0041](https://openairdocs.org/ntsb/SEA68A0041.md): Hughes 269B · Imnaha, OR · Accident · 1 fatal · Closed · Nov 2, 1967 · N9426F · Destroyed
- [NTSB SEA67A0033](https://openairdocs.org/ntsb/SEA67A0033.md): Hughes 269B · Frenchglen, OR · Accident · No injuries · Closed · Oct 13, 1966 · N9317F · Substantial damage
- [NTSB SEA67A0010](https://openairdocs.org/ntsb/SEA67A0010.md): Hughes 269B · Eaverton, OR · Accident · Minor injuries · Closed · Aug 7, 1966 · N9427F · Substantial damage
- [NTSB SEA66A0051](https://openairdocs.org/ntsb/SEA66A0051.md): Hughes 269B · Beaver, OR · Accident · 3 fatal · Closed · Apr 19, 1966 · N9363F · Destroyed
- [NTSB SEA66A0023](https://openairdocs.org/ntsb/SEA66A0023.md): Hughes 269B · Enterprise, OR · Accident · No injuries · Closed · Sep 23, 1965 · N9426F · 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" = 'OR' 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 ('4470502'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=4470502&state=OR

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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.