NTSB investigations: Continental GTSIO-520-C, 1991
7 cases on aircraft whose registry engine model is Continental GTSIO-520-C. 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
| 1966 | 2 |
|---|---|
| 1967 | 9 |
| 1968 | 5 |
| 1969 | 11 |
| 1970 | 10 |
| 1971 | 9 |
| 1972 | 11 |
| 1973 | 5 |
| 1974 | 10 |
| 1975 | 9 |
| 1976 | 8 |
| 1977 | 7 |
| 1978 | 12 |
| 1979 | 11 |
| 1980 | 10 |
| 1981 | 13 |
| 1982 | 12 |
| 1983 | 9 |
| 1984 | 1 |
| 1985 | 7 |
| 1986 | 5 |
| 1987 | 9 |
| 1988 | 9 |
| 1989 | 5 |
| 1990 | 6 |
| 1991 | 7 |
| 1992 | 2 |
| 1993 | 3 |
| 1994 | 5 |
| 1995 | 7 |
| 1996 | 2 |
| 1998 | 6 |
| 1999 | 7 |
| 2000 | 3 |
| 2001 | 2 |
| 2002 | 6 |
| 2003 | 6 |
| 2004 | 8 |
| 2005 | 4 |
| 2006 | 8 |
| 2007 | 4 |
| 2008 | 4 |
| 2009 | 5 |
| 2010 | 3 |
| 2011 | 1 |
| 2012 | 4 |
| 2013 | 1 |
| 2014 | 3 |
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 3 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 1 |
| 2026 | 3 |
Where
Latest 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 ('17035'))
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 ('17035'))
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 DEN91LA136Accident · No injuriesLimited investigationFinal reportCessna 421B · Pagosa Springs, COInadequate preflight of the aircraft by the pilot in command. A factor was: failure of the pilot in command to properly latch the cargo door.NTSB DEN91LA101Accident · No injuriesLimited investigationFinal reportCessna 421B · Colorado Spring, COA fractured fuel line and an improperly performed annual inspection.NTSB MIA91FA172Accident · Serious injuriesField investigationFinal reportCessna 411 · North Ft. Myers, FLThe pilot in commands failure to follow emergency procedures and his failure to maintain airspeed following loss of power in one engine resulting in an inadvertent stall and the inflight loss of control with subsequent inflight collision with an object and…NTSB NYC91LA108Accident · No injuriesLimited investigationFinal reportCessna 402A · Albany, NYA collapse of the nose gear due to a failure of the nose gear trunion.NTSB LAX91LA142Accident · No injuriesLimited investigationFinal reportCessna 421 · El Monte, CAThe pilot retracting the landing gear during the landing roll.NTSB LAX91LA129Accident · Serious injuriesLimited investigationFinal reportCessna 421B · Tucson, AZThe fatigue failure of the right engine turbo exhaust clamp, and, the failure of the flying pilot to complete the single engine emergency procedures in a timely manner. A factor in the accident was the failure of the pilot in command to adequately supervise…NTSB FTW91FA027Accident · 6 fatalField investigationFinal reportCessna 421B · Muskogee, OKThe pilot's failure to maintain control of the aircraft, due to spatial disorientation. Factors related to the accident were: darkness, adverse weather conditions, and the pilot's physical impairment from the chronic sinus infection.