# NTSB investigations: Piper PA-11: Airframe/component/system failure/malfunction

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 DEN93LA079](https://openairdocs.org/ntsb/DEN93LA079.md): Piper PA-11 · Burkburnett, TX · Accident · Minor injuries · Limited investigation · Final report · Jul 15, 1993 · N4834M · Substantial damage
  > The disconnection of the up elevator cable from the control horn. A factor was the incorrect installation of the bolt and castle nut by unknown maintenance personnel.
- [NTSB NYC82DA207](https://openairdocs.org/ntsb/NYC82DA207.md): Piper PA-11 · Utica, NY · Accident · No injuries · Final report · Aug 22, 1982 · N4950M · Substantial damage
  > The throttle would not close during landing. The pilot tried brakes and then elevator as the aircraft nosed over. There was no indication of trying to stop the engine by other means (switch, mixture, etc).

## 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('7101102', '7101106')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 130))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=7101102&occurrence=130

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