NTSB investigations: Lycoming IO-360-A1B6D, 1999
7 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\") = 1999
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") = 1999
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 MIA99LA194Accident · Minor injuriesLimited investigationFinal reportCessna 177RG · Jasper, ALthe pilot inadvertently became disoriented and misjudged his position on the runway/airport, which resulted in him turning the airplane too soon, and subsequently impacting with a tree. Factors in this accident were a loss of electrical power for undetermined…NTSB ANC99LA085Accident · No injuriesLimited investigationFinal reportCessna 177RG · Fairbanks, AKThe pilot's failure to extend the airplane landing gear. A factor in the accident was an interference with the pilot's habit pattern.NTSB LAX99LA243Accident · Minor injuriesLimited investigationFinal reportCessna 177RG · Quincy, CAthe pilot's failure to attain and maintain an adequate airspeed for the existing wind conditions, and, his failure to abort the takeoff when it became apparent that the aircraft performance was not as anticipated. Factors in the accident were the tailwind and…NTSB MIA99LA164Accident · Minor injuriesLimited investigationFinal reportCessna 177RG · Timmonsville, SCThe loss of engine power due to the improper installation and in-flight separation of an engine cylinder.NTSB DEN99LA096Accident · No injuriesLimited investigationFinal reportCessna 177RG · Cheyenne, WYThe pilot's inadequate flight planning, and lack of suitable terrain for the forced landing. Factor's were the pilot's inadequate aircraft preflight, and the subsequent engine power loss due to fuel exhaustion.NTSB ATL99LA100Accident · No injuriesLimited investigationFinal reportCessna 177RG · Columbia, SCThe pilot's failure to maintain directional control during a landing roll.NTSB NYC99LA081Accident · No injuriesLimited investigationFinal reportCessna 177RG · Pottstown, PAThe failure of maintenance personnel to properly inspect and torque the crankcase bolts.