NTSB investigations: Piper PA-20, MT
8 cases on aircraft the registry lists as Piper PA-20. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.
Cases per year
| 1972 | 1 |
|---|---|
| 1977 | 1 |
| 1978 | 1 |
| 2000 | 1 |
| 2004 | 1 |
| 2009 | 1 |
| 2019 | 1 |
| 2026 | 1 |
Where
Open the mapLatest cases
Query with SQL
duckdb -csv -c "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\" = 'MT' 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 ('7102002'))
ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
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" = 'MT' 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 ('7102002'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB WPR26LA105Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-20 · Three Forks, MTThe pilot’s failure to maintain directional during the landing roll with a variable wind.NTSB GAA19CA408Accident · Minor injuriesData collectionFinal reportPiper PA 20 · Hamilton, MTThe pilot's loss of directional control due to his unintentional use of brakes instead of the rudder during the landing roll, which resulted in a nose-over.NTSB WPR09CA435Accident · No injuriesData collectionFinal reportPiper PA-20 · Bozeman, MTThe failure of the pilot receiving instruction to maintain directional control during the takeoff roll and the flight instructor's delayed corrective action.NTSB SEA04LA044Accident · No injuriesLimited investigationFinal reportPiper PA-20 · Laurel, MTThe student pilot's failure to maintain aircraft control during the landing roll. Inadequate remedial action was a factor.NTSB SEA01LA018Accident · No injuriesLimited investigationFinal reportPiper PA-20 · Great Falls, MTThe pilot's improper decision to land on unsuitable terrain. Factors include snow covered terrain.NTSB SEA78FTI20Accident · No injuriesClosedPiper PA-20 · Deer Lodge, MTNTSB SEA77FTA22Accident · No injuriesClosedPiper PA-20 · Ismay, MTNTSB SEA73FTI04Accident · No injuriesClosedPiper PA-20 · Great Falls, MT