NTSB investigations: Lycoming IO-360-A1B6D, 1991
5 cases on aircraft whose registry engine model is Lycoming IO-360-A1B6D. 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
| 1971 | 1 |
|---|---|
| 1973 | 7 |
| 1974 | 4 |
| 1975 | 3 |
| 1976 | 10 |
| 1977 | 22 |
| 1978 | 8 |
| 1979 | 17 |
| 1980 | 8 |
| 1981 | 11 |
| 1982 | 11 |
| 1983 | 8 |
| 1984 | 6 |
| 1985 | 11 |
| 1986 | 12 |
| 1987 | 5 |
| 1988 | 14 |
| 1989 | 11 |
| 1990 | 3 |
| 1991 | 5 |
| 1992 | 5 |
| 1993 | 11 |
| 1994 | 6 |
| 1995 | 8 |
| 1996 | 6 |
| 1997 | 3 |
| 1998 | 3 |
| 1999 | 7 |
| 2000 | 8 |
| 2001 | 7 |
| 2002 | 2 |
| 2003 | 5 |
| 2004 | 2 |
| 2005 | 7 |
| 2006 | 1 |
| 2007 | 8 |
| 2008 | 8 |
| 2009 | 4 |
| 2010 | 3 |
| 2011 | 4 |
| 2012 | 3 |
| 2013 | 2 |
| 2014 | 1 |
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 9 |
| 2021 | 4 |
| 2022 | 5 |
| 2023 | 3 |
| 2025 | 3 |
| 2026 | 2 |
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.engine_model_code IN ('41593'))
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.engine_model_code IN ('41593'))
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 CHI92LA036Accident · Minor injuriesLimited investigationFinal reportPiper PA28R-200 · Lakeville, MNThe failure of both pilots to maintain visual separation from each other. Contributing factors to this accident were an inadequate visual lookout by both pilots and the pilot-in-command's failure to follow procedures and directives.NTSB LAX91LA335Accident · Minor injuriesLimited investigationFinal reportCessna 177 · Scottsdale, AZFailure of the pilot-in-command accurately performing inflight fuel consumption calculations resulting in a loss of engine power due to fuel exhaustion. Contributing to the accident was the pilot-in-command's poorly planned approached which terminated in a…NTSB SEA91FA183Accident · 4 fatalField investigationFinal reportCessna 177RG · Salmon, IDImproper inflight planning and decision by the pilot, and his failure to maintain sufficient altitude and clearance from mountainous/hilly terrain.NTSB ATL91LA080Accident · Minor injuriesLimited investigationFinal reportCessna 177RG · Saluda, SCThe flight instructor did not maintain the proper altitude during the simulated forced landing.NTSB DEN91LA052Accident · No injuriesLimited investigationFinal reportCessna 177RG · Colorado Spring, COThe pilot's failure to maintain directional control of the aircraft. The gusty/quartering crosswind was a related factor.