# NTSB investigations: AiResearch TPE331 series, PA

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 ERA23LA277](https://openairdocs.org/ntsb/ERA23LA277.md): Rockwell International 695 · Philadelphia, PA · Accident · No injuries · Class 3 · Limited · Final report · May 31, 2023 · N515AM · Substantial damage
  > Failure of the nose gear support structure for unknown reasons, which resulted in the nose landing gear collapsing during landing.
- [NTSB ERA09CA298](https://openairdocs.org/ntsb/ERA09CA298.md): Ayres S2R-G1 · Bald Eagle, PA · Accident · Serious injuries · Data collection · Final report · May 21, 2009 · N6134T · Substantial damage
  > The pilot's failure to maintain clearance from a power line.
- [NTSB NYC96LA026](https://openairdocs.org/ntsb/NYC96LA026.md): Fairchild Merlin Iiia · Butler, PA · Accident · No injuries · Limited investigation · Final report · Nov 7, 1995 · N636SP · Substantial damage
  > failure of the pilot to perform a missed approach, when the airplane was not properly aligned with the landing runway; and his failure to properly flare the airplane, which resulted in a hard landing.
- [NTSB CHI86MA025](https://openairdocs.org/ntsb/CHI86MA025.md): Cessna 441 · Derry, PA · Accident · 5 fatal · Major investigation · Final report · Nov 11, 1985 · N59MD · Destroyed
  > Drg arrival, the plt was advised the destn wx was: estd 500' overcast, vis 1 mi with fog, arpt blo mins. The plt electedto make an NDB rwy 23 apch, but said he would divert if a missed apch was made. He was provided radar vectors & was clrdfor the apch. At…

## 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" = 'PA' 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 ('01514', '01517'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=01514&state=PA

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