# NTSB investigations: Piper PA-20, 1984

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 ANC84LA062](https://openairdocs.org/ntsb/ANC84LA062.md): Piper PA-20 · Ester, AK · Accident · No injuries · Limited investigation · Final report · May 8, 1984 · N7763K · Substantial damage
  > The plt maded an off-arpt landing on a frozen river with an 'overflow.' During the rollout, the acft hit a 12 inch deep pocket of slush & nosed over.
- [NTSB MKC84LA074](https://openairdocs.org/ntsb/MKC84LA074.md): Piper PA-20 · Boonville, MO · Accident · Minor injuries · Limited investigation · Final report · Feb 13, 1984 · N4944M · Substantial damage
  > The acft nosed over after landing. The plt said that the arpt manager told him that 'there is a valley that funnels the wind and has blown other acft the same way'. The plt said the only way to avoid this condition is to land farther down the rwy.
- [NTSB SEA84LA047](https://openairdocs.org/ntsb/SEA84LA047.md): Piper PA-20 · Imnaha, OR · Accident · No injuries · Limited investigation · Final report · Jan 27, 1984 · N7771K · Substantial damage
  > The acft nosed over during a forced landing on a snow covered field. The plt reported that the acft began to lose power at about 6500 ft MSL. An inspection of the eng did not reveal any mechanical malfunction or discrepancy.

## 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") = 1984
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('7102002'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=7102002&year=1984

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