# NTSB investigations: Lycoming T-53 series, FL

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 ERA20FA027](https://openairdocs.org/ntsb/ERA20FA027.md): Grumman OV-1 · Stuart, FL · Accident · 1 fatal · Class 3 · Field · Final report · Nov 1, 2019 · N10VD · Destroyed
  > The pilot’s improper recovery from a low-altitude aerobatic maneuver, which resulted in descent into terrain.
- [NTSB MIA02LA133](https://openairdocs.org/ntsb/MIA02LA133.md): Bell UH-1B · Lorida, FL · Accident · Serious injuries · Limited investigation · Final report · Jul 16, 2002 · N91281 · Substantial damage
  > The pilot's continued operation with known engine anomalies resulting in loss of engine power due to failure of the engine fuel control pump drive clutch assembly due to wear and collision with the terrain during the resultant descent.
- [NTSB MIA00LA170](https://openairdocs.org/ntsb/MIA00LA170.md): Southwest Florida SW204 · Fort Pierce, FL · Accident · No injuries · Limited investigation · Final report · May 24, 2000 · N37BA · Substantial damage
  > An in-flight separation of a tail rotor blade tip weight resulting in tail rotor assembly imbalance and separation due to the installation of an unapproved rotor blade by company maintenance personnel, and the subsequent collision with trees during an…
- [NTSB MIA97LA099](https://openairdocs.org/ntsb/MIA97LA099.md): Bell UH-1B · Labelle, FL · Accident · Minor injuries · Limited investigation · Final report · Mar 11, 1997 · N70696 · Destroyed
  > Company maintenance personnel's failure to properly evaluate a main rotor system problem resulting in main rotor straps with multiple laminates separated due to fatigue cracking being allowed to continue in service until failure and separation of a main rotor…
- [NTSB MIA84FA166](https://openairdocs.org/ntsb/MIA84FA166.md): Bell UH-1B · Clermont, FL · Accident · 1 fatal · Field investigation · Final report · May 10, 1984 · N2252A · No damage
  > The plt was not aware that two ground attendants were riding the cable during a logging operation when there was an accidental cable release & the attendants fell to the ground. Examination of the acfts hook did not reveal a system failure or malfunction.…

## 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" = 'FL' AND c."eventCountry" = 'USA'
  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&state=FL

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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.