NTSB investigations: Piper PA-18A 150, 1991
5 cases on aircraft the registry lists as Piper PA-18A 150. 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 | 30 |
|---|---|
| 1965 | 31 |
| 1966 | 24 |
| 1967 | 17 |
| 1968 | 19 |
| 1969 | 20 |
| 1970 | 19 |
| 1971 | 12 |
| 1972 | 16 |
| 1973 | 19 |
| 1974 | 11 |
| 1975 | 10 |
| 1976 | 12 |
| 1977 | 6 |
| 1978 | 8 |
| 1979 | 7 |
| 1980 | 6 |
| 1981 | 6 |
| 1982 | 4 |
| 1983 | 5 |
| 1984 | 7 |
| 1985 | 5 |
| 1986 | 5 |
| 1987 | 3 |
| 1988 | 2 |
| 1989 | 8 |
| 1990 | 4 |
| 1991 | 5 |
| 1992 | 6 |
| 1993 | 7 |
| 1994 | 3 |
| 1995 | 6 |
| 1996 | 4 |
| 1997 | 4 |
| 1998 | 2 |
| 1999 | 4 |
| 2000 | 5 |
| 2001 | 5 |
| 2002 | 5 |
| 2003 | 4 |
| 2004 | 3 |
| 2005 | 4 |
| 2006 | 4 |
| 2008 | 1 |
| 2011 | 4 |
| 2012 | 6 |
| 2013 | 1 |
| 2014 | 4 |
| 2015 | 4 |
| 2016 | 3 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 4 |
| 2021 | 1 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 1 |
| 2026 | 3 |
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 ('7101837'))
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 ('7101837'))
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 ANC92LA021Accident · No injuriesLimited investigationFinal reportPiper PA-18 · Kenai, AKEngine failure due to fuel contamination. Contributing to the accident was unsuitable terrain.NTSB ANC91FA147Accident · 2 fatalField investigationFinal reportPiper PA-18-150 · Wasilla, AKA loss of control in flight due to improper loading of the airplane.NTSB ANC91LA140Accident · No injuriesLimited investigationFinal reportPiper PA-18-150 · Gold King, AKThe pilot's failure to maintain a proper descent rate. Contributing to the accident was the rising terrain and the tailwind condition.NTSB SEA91LA201Accident · No injuriesLimited investigationFinal reportPiper PA-18-150 · Yakima, WAThe loss of control by the private pilot and failure of the instructor pilot to perform remedial action.NTSB SEA91FA262Accident · 1 fatalField investigationFinal reportPiper PA-18-150 · Dayville, ORThe pilot's poor in flight decision. Factors include mountainous/hilly terrain.