NTSB investigations: Continental TSIO-520 series, 1991
33 cases on aircraft whose registry engine model is Continental TSIO-520 series. 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 | 3 |
|---|---|
| 1968 | 1 |
| 1969 | 2 |
| 1970 | 1 |
| 1971 | 2 |
| 1972 | 3 |
| 1973 | 4 |
| 1974 | 12 |
| 1975 | 8 |
| 1976 | 22 |
| 1977 | 21 |
| 1978 | 37 |
| 1979 | 54 |
| 1980 | 44 |
| 1981 | 54 |
| 1982 | 60 |
| 1983 | 40 |
| 1984 | 44 |
| 1985 | 47 |
| 1986 | 55 |
| 1987 | 38 |
| 1988 | 29 |
| 1989 | 23 |
| 1990 | 26 |
| 1991 | 33 |
| 1992 | 24 |
| 1993 | 26 |
| 1994 | 35 |
| 1995 | 25 |
| 1996 | 34 |
| 1997 | 31 |
| 1998 | 23 |
| 1999 | 27 |
| 2000 | 35 |
| 2001 | 44 |
| 2002 | 39 |
| 2003 | 57 |
| 2004 | 42 |
| 2005 | 36 |
| 2006 | 56 |
| 2007 | 43 |
| 2008 | 38 |
| 2009 | 29 |
| 2010 | 48 |
| 2011 | 25 |
| 2012 | 27 |
| 2013 | 29 |
| 2014 | 22 |
| 2015 | 21 |
| 2016 | 20 |
| 2017 | 34 |
| 2018 | 29 |
| 2019 | 22 |
| 2020 | 26 |
| 2021 | 26 |
| 2022 | 22 |
| 2023 | 23 |
| 2024 | 17 |
| 2025 | 25 |
| 2026 | 13 |
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 ('17040'))
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 ('17040'))
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 LAX92LA077Accident · No injuriesLimited investigationFinal reportPiper PA46-310P · Carson City, NVThe failure of the pilot to arrest an excessive sink rate resulting in not attaining the proper touch down point and landing short of the runway threshold. Contributing to the accident was an excessive runway end lip due to inadequate runway end maintenance.NTSB CHI92LA047Accident · No injuriesLimited investigationFinal reportBeech B36TC · Mt Pleasant, MIWater in the fuel, and an inadequate preflight by the pilot.NTSB FTW92FA029Accident · Serious injuriesField investigationFinal reportCessna 402B · Roanoke, TXThe operation of the airplane with known deficiencies, a missing air cooling baffle, and inadequate maintenance. Factors were the frozen propeller, inability of the pilot to feather the propeller, inoperative landing gear, the inability of the pilot to…NTSB NYC92FA029Accident · 5 fatalField investigationFinal reportCessna 340 · Columbus, OHThe pilot's improper execution of an emergency procedure, after an engine failure, which resulted in the loss of airplane control. Factors related to the accident were: the pilot's improper management of the fuel system; the pilot's lack of proficiency in…NTSB BFO92LA004Accident · No injuriesLimited investigationFinal reportCessna T210N · Wheeling, WVThe engine failure caused by fuel starvation and the pilot's improper fuel management.NTSB LAX92LA001Accident · Serious injuriesLimited investigationFinal reportBeech A36TC · Dunsmuir, CA1) Improper preflight planning by the aircraft owner, 2) failure of the owner to refuel the aircraft, 3) operation of the aircraft by the owner and a mechanic at a known fuel state below the minimum required for takeoff, and 4) failure of the mechanic to…NTSB MIA91WA212Accident · No injuriesForeign investigationCessna 402 · Andros Island, BahamasNTSB NYC91LA222Accident · No injuriesLimited investigationFinal reportCessna T-210-M · Clearfield, PAVapor lock of the fuel system resulting in fuel starvation. A factor related to the accident was the failure of the owner to comply with a service letter calling for insulated fuel lines forward of the fire wall.NTSB NYC91LA216Accident · No injuriesLimited investigationFinal reportCessna TU206G · Block Island, RIImproper planning/decision by the pilot by electing to takeoff with a known deficiency with the equipment. The deficiency (cracked/leaking float) was a related factor.NTSB SEA91LA214Accident · No injuriesLimited investigationFinal reportBeech 58TC · Kalispell, MTThe pilot's failure to extend the landing gear. A factor contributing to the accident was the pilot's failure to identtify a down and locked landing gear condition prior to touchdown.NTSB ATL91FA161Accident · 3 fatalField investigationFinal reportCessna 402B · Kathleen, GAThe pilot's failure to maintain aircraft control while descending at night. Factors related to the accident were: darkness, fog, the pilot's lack of qualification in multi-engine aircraft, his lack of experience in this type of aircraft, his overconfidence in…NTSB LAX91LA350Accident · No injuriesLimited investigationFinal reportCessna 402C · Grand Canyon, AZThe failure of the airport operator to develop animal control procedures for the airport property.NTSB NYC91LA198Accident · No injuriesLimited investigationFinal reportPiper PA-32R-300 · Atlantic City, NJThe failure of the pilot of N6877M to insure the runway was clear prior to pulling onto the runway.NTSB CHI91DCJ04Accident · No injuriesFinal reportCessna T188C · Grand Island, NEThe pilot's failure to maintain adequate clearance from crops during aerial application maneuvers. Related factors are the failure of a propeller pitch change mechanism and the pilot's diverted attention.NTSB SEA91LA189Accident · No injuriesLimited investigationFinal reportBeech V35A · Weiser, IDThe pilot did not refuel the airplane resulting in fuel exhaustion.NTSB CHI91DTG04Accident · No injuriesFinal reportCessna T188C · Walhalla, NDInadequate compensation for wind conditions, and failure to maintain directional control. Factors related to the accident are gusty crosswind conditions.NTSB SEA91LA117Accident · Minor injuriesLimited investigationFinal reportCessna T-210N · Klamath Falls, ORThe loss of engine power due to failure of the number 5 cylinder rod bearing which resulted from lack of lubrication of the main bearing.NTSB SEA91LA118Accident · No injuriesLimited investigationFinal reportBeech A36TC · Ogden, UTLoss of control by the pilot due to inadequate preflight planning and preparation which resulted in over gross weight aircraft loading. A factor relating to the accident was the high density altitude weather conditions.NTSB MIA91LA139Accident · 1 fatalLimited investigationFinal reportCessna TU-206G · Gulf Of MexicoAn in flight collision with the water for undetermined reasons.NTSB NYC91LA127Accident · No injuriesLimited investigationFinal reportCessna 414A · Piqua, OHThe pilot's incomplete preflight of the fuel quantity and the inaccurate fuel gages, which resulted in fuel starvation and total loss of engine power and subsequent forced landing on rough terrain. Factors relating to the accident were the pilot's improper…NTSB NYC91LA118Accident · No injuriesLimited investigationFinal reportCessna P210 · Olean, NYImproper flare by the pilot, which resulted in a hard landing. Factors related to the accident were: the pilot's lack of recent experience and the unfavorable wind condition.NTSB LAX91LA164Accident · Serious injuriesLimited investigationFinal reportPiper PA 46 · North Hollywood, CAThe pilot-in-command's poor preflight planning, inadequate fuel consumption calculations which resulted in a loss of engine power due to fuel exhaustion, and the pilot-in-command's failure to follow air traffic control verbal instructions which would have…NTSB NYC91LA094Accident · Minor injuriesLimited investigationFinal reportCessna T210N · Milleville, NJThe total loss of engine power caused by mechanical failure, which resulted in the pilot landing the airplane on unsuitable terrain.NTSB MIA91RA102Accident · 5 fatalForeign investigationCessna 402C · Treasure Cay, BahamasNTSB MIA91MA100Accident · 4 fatalMajor investigationFinal reportPiper PA-46-310P · Bronson, FLThe pilot's failure to activate the pitot heat before ascending above the freezing level in instrument meteorological conditions (IMC), followed by his improper response to erroneous airspeed indications that resulted from blockage of the pitot tube by…NTSB CHI91LA105Accident · No injuriesLimited investigationFinal reportCessna 401 · St. Louis, MOThe landing gear locking mechanism (bell crank) had fractured.NTSB LAX91FA117Accident · 1 fatalField investigationFinal reportBeech 58P · Green Valley, CAThe pilot's loss of aircraft control due to his disregard for and poor evaluation of significant weather advisories forecasting adverse weather conditions along the route of flight and the pilot's decision to initiate the flight.NTSB DEN91FA048Accident · 1 fatalField investigationFinal reportCessna T210M · Taos, NMThe pilot's decision to initiate flight into freezing rain which resulted in structural icing that exceeded the ability of the aircraft to maintain flight. A factor was: improper deicing.NTSB CHI91LA101Accident · No injuriesLimited investigationFinal reportCessna T210N · Elwood, INThe pilot's improper use of the fuel selector which resulted in fuel starvation. A related factor was: soft terrain in the emergency landing area.NTSB MIA91WA079Accident · No injuriesForeign investigationBeech B36TC · Pitts Town, BahamasNTSB LAX91FA081Accident · 1 fatalField investigationFinal reportCessna T210M · Sacramento, CAA loss of engine power for undetermined reasons and the pilot's failure to maintain airspeed during the ensuing emergency landing.NTSB LAX91FA066Accident · 1 fatalField investigationFinal reportCessna T210M · Sacramento, CAThe failure of the pilot-in-command to maintain control of the airplane while flying in instrument meteorological conditions and spatial disorientation of the pilot-in-command. Contributing to the accident was diversion of the pilot's attention to…NTSB CHI91LA056Accident · No injuriesLimited investigationFinal reportCessna 340 · Chesterfield, MOFailure of the pilot to maintain directional control during the landing roll. Factors related to the accident are a foggy windshield, misjudgement of altitude, premature landing flare, and slush on the runway.