# NTSB investigations: Piper PA-11, 1989

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 ANC89LA157](https://openairdocs.org/ntsb/ANC89LA157.md): Piper PA-11 · Igushik, AK · Accident · No injuries · Limited investigation · Final report · Sep 4, 1989 · N4760M · Substantial damage
  > The pilot selected unsuitable terrain for a landing. Soft terrain was a contributing factor.
- [NTSB NYC89LA163](https://openairdocs.org/ntsb/NYC89LA163.md): Piper PA-11 · Walpole, ME · Accident · Minor injuries · Limited investigation · Final report · Jul 13, 1989 · N5014H · Substantial damage
  > A loss of engine power for undetermined reasons. Contributing to the accident was the powerline which the airplane contacted.
- [NTSB ANC89LA064](https://openairdocs.org/ntsb/ANC89LA064.md): Piper PA-11 · Beluga Mountain, AK · Accident · No injuries · Limited investigation · Final report · Mar 28, 1989 · N4620M · Substantial damage
  > Pilot's selection of unsuitable terrain for an off-airport landing and takeoff. The uneven terrain (with a snow berm) was a related factor.
- [NTSB ANC89LA047](https://openairdocs.org/ntsb/ANC89LA047.md): Piper PA-11 · Igiugig, AK · Accident · No injuries · Limited investigation · Final report · Feb 23, 1989 · N78627 · Substantial damage
  > The pilot's failure to maintain control of the airplane and his failure to understand the performance parameters of his airplane.

## 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") = 1989
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('7101102', '7101106'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=7101102&year=1989

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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.
