# NTSB investigations: Hughes 269B, WA

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 SEA00LA188](https://openairdocs.org/ntsb/SEA00LA188.md): Hughes 269B · Burlington, WA · Accident · Minor injuries · Limited investigation · Final report · Sep 24, 2000 · N9355F · Substantial damage
  > Mintenance personnel not following the mandatory service bulletin procedure of not exceeding 0.0005 inch paint thickness on the cylinder flange. Factors were the fatigue separation of multiple cylinder hold down bolts resulting in looseness of the cylinder;…
- [NTSB SEA82DA090](https://openairdocs.org/ntsb/SEA82DA090.md): Hughes 269B · Mt St Helens, WA · Accident · Minor injuries · Final report · Jun 18, 1982 · N9352F · Destroyed
  > The pilot intended to proceed to Mt St Helens to land near spirit lake. The winds in the vicinity of the desired landing point were too strong for a safe landing. Therefore, an alternate spot was selected below the ridge line and presumably sheltered from the…
- [NTSB SEA81DYP04](https://openairdocs.org/ntsb/SEA81DYP04.md): Hughes 269B · Ephrata, WA · Accident · No injuries · Closed · Nov 23, 1980 · N9477F · Substantial damage
- [NTSB SEA78DYE29](https://openairdocs.org/ntsb/SEA78DYE29.md): Hughes 269B · Snoqualamie, WA · Accident · Minor injuries · Closed · Jul 15, 1978 · N9449F · Substantial damage
- [NTSB SEA78DYE17](https://openairdocs.org/ntsb/SEA78DYE17.md): Hughes 269B · Puyallup, WA · Accident · No injuries · Closed · Mar 30, 1978 · N9516F · Substantial damage
- [NTSB SEA78DYE07](https://openairdocs.org/ntsb/SEA78DYE07.md): Hughes 269B · Graham, WA · Accident · No injuries · Closed · Feb 5, 1978 · N9442F · Substantial damage
- [NTSB SEA76FYE25](https://openairdocs.org/ntsb/SEA76FYE25.md): Hughes 269B · Renton, WA · Accident · No injuries · Closed · Feb 18, 1976 · N11212 · Substantial damage
- [NTSB SEA74FYE43](https://openairdocs.org/ntsb/SEA74FYE43.md): Hughes 269B · Seattle, WA · Accident · Serious injuries · Closed · Apr 18, 1974 · N9332F · No damage
- [NTSB SEA74DYE10](https://openairdocs.org/ntsb/SEA74DYE10.md): Hughes 269B · Puyallup, WA · Accident · No injuries · Closed · Sep 4, 1973 · N9432F · Substantial damage
- [NTSB SEA72DYG03](https://openairdocs.org/ntsb/SEA72DYG03.md): Hughes 269B · Pullman, WA · Accident · No injuries · Closed · Jul 14, 1971 · N9539F · Substantial damage
- [NTSB SEA71FWD01](https://openairdocs.org/ntsb/SEA71FWD01.md): Hughes 269B · Bellingham, WA · Accident · No injuries · Closed · Jul 3, 1970 · N9337F · Substantial damage
- [NTSB SEA70DWD14](https://openairdocs.org/ntsb/SEA70DWD14.md): Hughes 269B · Hamilton, WA · Accident · No injuries · Closed · May 3, 1970 · N9408F · Substantial damage
- [NTSB SEA70FWG06](https://openairdocs.org/ntsb/SEA70FWG06.md): Hughes 269B · Albion, WA · Accident · No injuries · Closed · Mar 19, 1970 · N9539F · Substantial damage
- [NTSB SEA70DWD03](https://openairdocs.org/ntsb/SEA70DWD03.md): Hughes 269B · Seattle, WA · Accident · No injuries · Closed · Feb 14, 1970 · N9337F · Substantial damage
- [NTSB SEA70D0053](https://openairdocs.org/ntsb/SEA70D0053.md): Hughes 269B · Castle Mt, WA · Accident · No injuries · Closed · Jul 28, 1969 · N9432F · Substantial damage
- [NTSB SEA68A0059](https://openairdocs.org/ntsb/SEA68A0059.md): Hughes 269B · Walla Walla, WA · Accident · No injuries · Closed · Mar 15, 1968 · N9332F · 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" = 'WA' 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=WA

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