NTSB investigations: Cessna 170A, 1991
4 cases on aircraft the registry lists as Cessna 170A. 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 | 22 |
|---|---|
| 1965 | 18 |
| 1966 | 20 |
| 1967 | 28 |
| 1968 | 22 |
| 1969 | 21 |
| 1970 | 18 |
| 1971 | 15 |
| 1972 | 13 |
| 1973 | 17 |
| 1974 | 19 |
| 1975 | 15 |
| 1976 | 6 |
| 1977 | 13 |
| 1978 | 13 |
| 1979 | 11 |
| 1980 | 7 |
| 1981 | 8 |
| 1982 | 6 |
| 1983 | 8 |
| 1984 | 2 |
| 1985 | 7 |
| 1986 | 3 |
| 1987 | 9 |
| 1988 | 5 |
| 1989 | 6 |
| 1990 | 7 |
| 1991 | 4 |
| 1992 | 5 |
| 1993 | 2 |
| 1994 | 4 |
| 1995 | 2 |
| 1996 | 4 |
| 1997 | 5 |
| 1998 | 7 |
| 1999 | 3 |
| 2000 | 1 |
| 2001 | 4 |
| 2002 | 3 |
| 2003 | 7 |
| 2004 | 3 |
| 2005 | 1 |
| 2006 | 3 |
| 2007 | 6 |
| 2008 | 3 |
| 2009 | 3 |
| 2010 | 2 |
| 2011 | 5 |
| 2012 | 3 |
| 2013 | 2 |
| 2014 | 1 |
| 2015 | 4 |
| 2016 | 4 |
| 2017 | 6 |
| 2018 | 1 |
| 2020 | 3 |
| 2021 | 5 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 5 |
| 2025 | 2 |
| 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 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 ('2072304'))
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 ('2072304'))
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 FTW91FA142Accident · 2 fatalField investigationFinal reportCessna 170A · Heath, TXThe inadvertent stall following an abrupt pull up while maneuvering at low altitude, and the pilot's impairment due to to alcohol and drug consumption.NTSB ANC91LA080Accident · No injuriesLimited investigationFinal reportCessna 170A · Kakeen, AKThe pilot's failure to maintain directional control of the airplane during the aborted takeoff. Contributing to the accident was the soft, rough, and uneven terrain.NTSB CHI91LA143Accident · No injuriesLimited investigationFinal reportCessna 170A · Newell, SDThe pilot's improper aircraft handling.NTSB DEN91LA038Accident · No injuriesLimited investigationFinal reportCessna 170A · Holly, COThe pilot's failure to maintain directional control. Factors were: a gusty crosswind condition and the pilot's lack of familiarity with the aircraft.