# NTSB investigations: Honeywell T5317 series

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 WPR09LA057](https://openairdocs.org/ntsb/WPR09LA057.md): Kaman K-1200 · Santa Clarita, CA · Accident · 1 fatal · Limited investigation · Final report · Dec 17, 2008 · N267KA · Substantial damage
  > The helicopter's encounter with a gusty crosswind condition during engine start that exceeded the helicopter's demonstrated wind envelope.
- [NTSB SEA06FA067](https://openairdocs.org/ntsb/SEA06FA067.md): Kaman K-1200 · Dayville, OR · Accident · 1 fatal · Field investigation · Final report · Mar 17, 2006 · N263KA · Substantial damage
  > The improper overhaul of the reduction gear box assembly and improper installation of the N1 seal and nut assembly lockcup by maintenance personnel, which resulted in failure of the reduction gear box and a total loss of engine power. A contributing factor…
- [NTSB SEA03GA153](https://openairdocs.org/ntsb/SEA03GA153.md): Kaman K-1200 · Keller, WA · Accident · 1 fatal · Final report · Jul 26, 2003 · N314KA · Destroyed
  > Corrosion fatigue within the blade retention bolt bushing(s) of the main rotor blade grip resulting in fatigue, cracking and ultimate separation of the upper grip plate. The separation of the upper blade grip plate led to a dynamic imbalance within the rotor…

## 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('33907'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=33907

---
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.
