NTSB investigations: Piper PA-12, 1991
12 cases on aircraft the registry lists as Piper PA-12. 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
| 1964 | 41 |
|---|---|
| 1965 | 38 |
| 1966 | 39 |
| 1967 | 33 |
| 1968 | 34 |
| 1969 | 30 |
| 1970 | 24 |
| 1971 | 26 |
| 1972 | 24 |
| 1973 | 22 |
| 1974 | 21 |
| 1975 | 18 |
| 1976 | 22 |
| 1977 | 13 |
| 1978 | 15 |
| 1979 | 10 |
| 1980 | 14 |
| 1981 | 14 |
| 1982 | 12 |
| 1983 | 14 |
| 1984 | 15 |
| 1985 | 10 |
| 1986 | 7 |
| 1987 | 14 |
| 1988 | 10 |
| 1989 | 7 |
| 1990 | 7 |
| 1991 | 12 |
| 1992 | 17 |
| 1993 | 10 |
| 1994 | 18 |
| 1995 | 7 |
| 1996 | 5 |
| 1997 | 14 |
| 1998 | 7 |
| 1999 | 9 |
| 2000 | 7 |
| 2001 | 12 |
| 2002 | 6 |
| 2003 | 8 |
| 2004 | 6 |
| 2005 | 4 |
| 2006 | 8 |
| 2007 | 10 |
| 2008 | 6 |
| 2009 | 9 |
| 2010 | 9 |
| 2011 | 10 |
| 2012 | 6 |
| 2013 | 1 |
| 2014 | 4 |
| 2015 | 5 |
| 2016 | 2 |
| 2017 | 9 |
| 2018 | 8 |
| 2019 | 9 |
| 2020 | 6 |
| 2021 | 5 |
| 2022 | 7 |
| 2023 | 9 |
| 2024 | 4 |
| 2025 | 6 |
| 2026 | 8 |
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 year(c.\"eventDate\") = 1991
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('7101202'))
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 year(c."eventDate") = 1991
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('7101202'))
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 CHI92LA002Accident · Minor injuriesLimited investigationFinal reportPiper PA-12 · Roscoe, ILOperation of an aircraft with known deficiencies and deterioration/failure of the magneto(s). Factors related to the accident were: the lack of an annual inspection and non-compliance with an airworthiness directive (AD).NTSB ANC91LA122Accident · No injuriesLimited investigationFinal reportPiper PA-12 · Iliamna, AKFuel contamination and the pilot's failure to perform an adequate preflight of the airplane. Contributing to the accident was the rough, uneven terrain of the tundra landing area.NTSB NYC91LA200Accident · No injuriesLimited investigationFinal reportPiper PA-12 · Alton, NHThe pilot's improper use of carburetor heat, which resulted in a loss of engine power.NTSB ANC91LA111Accident · Minor injuriesLimited investigationFinal reportPiper PA-12 · Palmer, AKThe pilot's failure to maintain airspeed and inadvertent stall during low level maneuvering flight. Contributing to the accident was the high terrain.NTSB ATL91LA125Accident · No injuriesLimited investigationFinal reportPiper PA-12 · Myrtle Beach, SCThe failure of the number 4 cylinder exhaust valve. Factors in the accident were the lack of a suitable landing site and the water ditching.NTSB CHI91LA213Accident · No injuriesLimited investigationFinal reportPiper PA-12 · Stockton, IACompensation for wind conditions not performed, wrong runway selected and aircraft control not maintained by the pilot. Factors related to the accident were a tailwind/crosswind component and a rough runway.NTSB ANC91LA091Accident · Serious injuriesLimited investigationFinal reportPiper PA-12 · Merrill Pass, AKThat the pilot failed to maintain an airspeed above stall speed. Contributing to the accident was the turbulence.NTSB ATL91LA112Accident · No injuriesLimited investigationFinal reportPiper PA-12 · Conway, SCFailure of the number two exhaust valve, which resulted in loss of engine power.NTSB ANC91LA072Accident · Minor injuriesLimited investigationFinal reportPiper PA-12 · Kenai, AKThe pilot-in-command's improper preflight and the contaminated fuel system. A factor was the rough, uneven terrain.NTSB MIA91LA135Accident · No injuriesLimited investigationFinal reportPiper PA-12 · Stuart, FLAn inadequate annual inspection which failed to detect corrosion on the rudder cable. The pilot lost direction control during landing when the rudder cable broke.NTSB ANC91LA048Accident · No injuriesLimited investigationFinal reportPiper PA-12 · Anchorage, AKThe pilot's lack of currency with the type of landing gear involved.NTSB ANC91LA036Accident · 2 fatalLimited investigationFinal reportPiper PA-12 · Moose Creek, AKThe pilot-in-command's failure to maintain aircraft control, proper altitude not maintained, and failure to maintain flying speed. Contributing to the accident was the high altitude terrain.