# NTSB investigations: Lycoming T-55 SER TS

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 SEA07TA202](https://openairdocs.org/ntsb/SEA07TA202.md): Bell UH-1H · Benchmark, MT · Accident · Minor injuries · Final report · Jul 16, 2007 · N667HP · Substantial damage
  > Dense smoke/haze which restricted the pilot's visibility and the pilot's failure to maintain aircraft control during the emergency descent resulting in impact with terrain.
- [NTSB DEN04LA145](https://openairdocs.org/ntsb/DEN04LA145.md): Bell 214B-1 · Aspen, CO · Accident · No injuries · Limited investigation · Final report · Sep 17, 2004 · N214B · Substantial damage
  > the inadvertent activation of the engine's fuel shut off valve, resulting in the reduction of engine power to 50 percent due to an improper cannon plug wire repair on the engine's wire harness assembly. Contributing factors include the improper wire repair,…
- [NTSB ANC93FA033](https://openairdocs.org/ntsb/ANC93FA033.md): Bell 214B1 · Ketchikan, AK · Accident · 2 fatal · Field investigation · Final report · Feb 19, 1993 · N114CR · Destroyed
  > Inadequate maintenance of the hydraulic servo actuator which led to the fatigue failure and loss of flight control. In addition, the flightcrew did not, or was unable to, jettison the external load. Factors which contributed to the accident were: the pilot…
- [NTSB DEN81FA029](https://openairdocs.org/ntsb/DEN81FA029.md): Bell UH-1B · Williston, ND · Accident · 8 fatal · Closed · May 1, 1981 · N46942 · Destroyed
- [NTSB OAK77FVG54](https://openairdocs.org/ntsb/OAK77FVG54.md): Bell 214B1 · Sawyers Bar, CA · Accident · Serious injuries · Closed · Jul 30, 1977 · N16805 · Substantial damage
- [NTSB SEA76OS004](https://openairdocs.org/ntsb/SEA76OS004.md): Bell 205A-1 · Celtiberia, Peru · Accident · 1 fatal · Closed · Nov 18, 1975 · N59438 · 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41555'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41555

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