# NTSB investigations: Piper PA-23, IA

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 MKC86LA171](https://openairdocs.org/ntsb/MKC86LA171.md): Piper PA-23-150 · Iowa City, IA · Accident · No injuries · Limited investigation · Final report · Jul 5, 1986 · N1130P · Substantial damage
  > The flight instructor stated that he had planned to conduct an engine-out drill after takeoff by reducing power to the starboard engine. During the engine-out drill the student reduced power to the operating engine and the aircraft landed hard back on the…
- [NTSB MKC71DCD10](https://openairdocs.org/ntsb/MKC71DCD10.md): Piper PA-23 · Grand Junctn, IA · Accident · No injuries · Closed · Jul 23, 1970 · N1309P · Substantial damage
- [NTSB MKC69F0317](https://openairdocs.org/ntsb/MKC69F0317.md): Piper PA-23 · Estherville, IA · Accident · No injuries · Closed · Jan 10, 1969 · N2289P · Substantial damage
- [NTSB MKC66D0553](https://openairdocs.org/ntsb/MKC66D0553.md): Piper PA-23 · Guttenberg, IA · Accident · No injuries · Closed · Mar 31, 1966 · N3229P · 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" = 'IA' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('7102302'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=7102302&state=IA

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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.