# NTSB investigations: Lycoming 0-290 series, DE

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 IAD96LA064](https://openairdocs.org/ntsb/IAD96LA064.md): Piper PA-22-135 · Dover, DE · Accident · Serious injuries · Limited investigation · Final report · Apr 19, 1996 · N3506A · Substantial damage
  > the overhaul maintenance personnel's improper major overhaul procedure (improper torque on the engine block center through bolts), which resulted in an in flight loss of engine power. A related factor was the lack of suitable terrain available for a forced…
- [NTSB BFO84FA003](https://openairdocs.org/ntsb/BFO84FA003.md): Piper L-21-A · Selbyville, DE · Accident · 2 fatal · Field investigation · Final report · Aug 8, 1984 · N10468 · Destroyed
  > At the conclusion of towing banners with no pax on board, the acft was landed and topped off with fuel. The plt then reentered the acft and an additional employee got in the rear seat with the intension of flying to a nearby airport for a plt exchange. During…
- [NTSB UNK64X1027](https://openairdocs.org/ntsb/UNK64X1027.md): Piper PA18 · Frankford, DE · Accident · No injuries · Closed · Mar 24, 1964 · N170T · 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."eventStateOrRegion" = 'DE' 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 ('41506'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41506&state=DE

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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.