# NTSB investigations: Lycoming T-53 series, 1985

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 FTW85FA310](https://openairdocs.org/ntsb/FTW85FA310.md): Bell UH-1B · Saint James, LA · Accident · 1 fatal · Field investigation · Final report · Aug 8, 1985 · N1385W · Destroyed
  > Acft was at a 150' hover preparing to pick up a log when it experienced a power loss. Witnesses stated that they heard a loud 'bang' and the pilot radioed 'get out of the way'. Acft autorotated thru 60' to 80' trees with very low rotor RPM and impacted with…
- [NTSB FTW85FA188](https://openairdocs.org/ntsb/FTW85FA188.md): Bell UH-1B · Boutte, LA · Accident · Serious injuries · Field investigation · Final report · Apr 15, 1985 · N2252A · Destroyed
  > The plt had stabilized acft in a 125' hover, prior to picking up a load, when the eng spooled down and acft entered talltrees with low rotor RPM and pitched nose down as it descended thru the trees. Ground witnesses heard 2 loud 'bangs' prior to the acft…
- [NTSB LAX85FA115](https://openairdocs.org/ntsb/LAX85FA115.md): Bell 205A-1 · Newhall, CA · Accident · 1 fatal · Field investigation · Final report · Jan 18, 1985 · N830V · Destroyed
  > This helicopter collided with hilly terrain while circling at a low altitude. It was following another helicopter in a clockwise circular pattern at the time, and being filmed for the t.v. series 'air wolf'. One witness observed the helicopter decending in…
- [NTSB LAX85LA105](https://openairdocs.org/ntsb/LAX85LA105.md): Bell 204 · Snelling, CA · Accident · No injuries · Limited investigation · Final report · Jan 11, 1985 · N99021 · Substantial damage
  > Plt vacated the acft with engine at idle & with the blades turning to refuel. The landing platform mounted on the 'nurse' truck was slippery from an oil & copper mixture used in the spraying operation. The helicopter started to slide & the plt reboarded just…

## 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 year(c."eventDate") = 1985
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41552', '41549', '41587'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41552&year=1985

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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.