# Major NTSB investigations, 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 DCA22MA193](https://openairdocs.org/ntsb/DCA22MA193.md): Dehavilland DHC-3 · Freeland, WA · Accident · 10 fatal · Class 1 · Major · Final report · Sep 4, 2022 · N725TH · Destroyed
  > The in-flight unthreading of the clamp nut from the horizontal stabilizer trim actuator barrel due to a missing lock ring, which resulted in the horizontal stabilizer moving to an extreme trailing-edge-down position rendering the airplane’s pitch…
- [NTSB LAX08MA007](https://openairdocs.org/ntsb/LAX08MA007.md): Cessna 208B · Naches, WA · Accident · 10 fatal · Major investigation · Final report · Oct 8, 2007 · N430A · Destroyed
  > The pilot's failure to maintain an adequate airspeed to avoid an aerodynamic stall while maneuvering. Contributing to the accident were the pilot's impaired physiological state due to hypoxia, the pilot's inadequate preflight weather evaluation, and his…
- [NTSB SEA05MA202](https://openairdocs.org/ntsb/SEA05MA202.md): Agusta A109A II · Edmonds, WA · Accident · 3 fatal · Major investigation · Final report · Sep 30, 2005 · N655GS · Destroyed
  > Loss of control for an undetermined reason during maneuvering flight, which resulted in an in-flight collision with water.
- [NTSB DCA90MA011](https://openairdocs.org/ntsb/DCA90MA011.md): British Aerospace BAE-3101 · Pasco, WA · Accident · 6 fatal · Class 1 · Major · Final report · Dec 27, 1989 · N410UE · Destroyed
  > The flightcrew's decision to continue an unstabilized instrument landing system (ILS) approach that led to a stall, most likely of the horizontal stabilizer, and loss of control at low altitude. Contributing to the accident was the air traffic controller's…
- [NTSB DCA88MA052](https://openairdocs.org/ntsb/DCA88MA052.md): de Havilland DHC-8 · Seattle, WA · Accident · Serious injuries · Major investigation · Final report · Apr 16, 1988 · N819PH · Destroyed
  > Shortly after tkof from Seattle-tacoma intl airport, the crew noted a rt eng power loss and decided to return for a precautionary lndg. After lowering the lndg gear, a massive fire was discovered in the rt eng nacelle. After lndg, directional control and all…
- [NTSB SEA88MA015](https://openairdocs.org/ntsb/SEA88MA015.md): Cessna 310N · Bellingham, WA · Accident · 4 fatal · Major investigation · Final report · Nov 5, 1987 · N4178Q · Destroyed
  > The acft was chartered to take university (wwu) psnl to an alumni dinner. While rtrng at ngt, the plt made a localizer only, ILS rwy 16 apch in marginal VFR conds. Drg the apch, radar svc was terminated & the plt was told to ctc bellinghamradio, but he did…
- [NTSB DCA83AA036](https://openairdocs.org/ntsb/DCA83AA036.md): Lockheed Learstar, L-18-56 · Silvana, WA · Accident · 11 fatal · Final report · Aug 22, 1983 · N116CA · Destroyed
  > The acft was on a sport parachute flt to carry 24 parachutists to 12,500' over a drop zone (dz) for a mass jump. It was in a cargo configuration with no passenger seats, but it had 1 jump seat. There were 24 seat belts on the floor of the cargo area. Also,…
- [NTSB DCA81AA006](https://openairdocs.org/ntsb/DCA81AA006.md): Beech 99A · Spokane, WA · Accident · 7 fatal · Closed · Jan 20, 1981 · N390CA · Destroyed
- [NTSB DCA78AA007](https://openairdocs.org/ntsb/DCA78AA007.md): Beech 99 · Richland, WA · Accident · 17 fatal · Closed · Feb 10, 1978 · N199EA · Destroyed
- [NTSB SEA761S041](https://openairdocs.org/ntsb/SEA761S041.md): Douglas DC-9 · Spokane, WA · Incident · No injuries · Closed · Apr 1, 1976 · N9333 · No damage
- [NTSB SEA70I0024](https://openairdocs.org/ntsb/SEA70I0024.md): Boeing 747 · Renton, WA · Incident · No injuries · Closed · Dec 13, 1969 · N732PA · Minor damage
- [NTSB SEA69A0062](https://openairdocs.org/ntsb/SEA69A0062.md): Convair 880 · Moses Lake, WA · Accident · 3 fatal · Closed · Jun 24, 1969 · JA-8028 · 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_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.board_report_url IS NOT NULL OR c."investigationClass" = 'Class 1' OR c."caseType" = 'Major - Launch')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?major=1&state=WA

---
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.