NTSB investigations: Lycoming 0-540 series, 1993
26 cases on aircraft whose registry engine model is Lycoming 0-540 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
| 1964 | 146 |
|---|---|
| 1965 | 151 |
| 1966 | 150 |
| 1967 | 192 |
| 1968 | 128 |
| 1969 | 110 |
| 1970 | 110 |
| 1971 | 118 |
| 1972 | 115 |
| 1973 | 83 |
| 1974 | 98 |
| 1975 | 83 |
| 1976 | 77 |
| 1977 | 97 |
| 1978 | 78 |
| 1979 | 92 |
| 1980 | 82 |
| 1981 | 80 |
| 1982 | 58 |
| 1983 | 59 |
| 1984 | 51 |
| 1985 | 59 |
| 1986 | 29 |
| 1987 | 47 |
| 1988 | 41 |
| 1989 | 35 |
| 1990 | 39 |
| 1991 | 31 |
| 1992 | 28 |
| 1993 | 26 |
| 1994 | 41 |
| 1995 | 41 |
| 1996 | 41 |
| 1997 | 26 |
| 1998 | 30 |
| 1999 | 35 |
| 2000 | 35 |
| 2001 | 40 |
| 2002 | 52 |
| 2003 | 39 |
| 2004 | 35 |
| 2005 | 39 |
| 2006 | 43 |
| 2007 | 30 |
| 2008 | 38 |
| 2009 | 37 |
| 2010 | 28 |
| 2011 | 37 |
| 2012 | 24 |
| 2013 | 15 |
| 2014 | 31 |
| 2015 | 24 |
| 2016 | 27 |
| 2017 | 25 |
| 2018 | 25 |
| 2019 | 32 |
| 2020 | 24 |
| 2021 | 28 |
| 2022 | 25 |
| 2023 | 30 |
| 2024 | 23 |
| 2025 | 25 |
| 2026 | 23 |
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\") = 1993
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41532'))
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") = 1993
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41532'))
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 LAX94LA074Accident · Minor injuriesLimited investigationFinal reportPiper PA-23-250 · Showlow, AZthe pilot's poorly planned approach, improper emergency procedures, and his failure to feather the propeller. The inoperative fuel selector valve was a factor in this accident.NTSB LAX94FA058Accident · 3 fatalField investigationFinal reportSiai-Marchetti F-260 · Santa Monica, CAthe dual student pilot's failure to maintain minimum air speed in flight which resulted in an inadvertent stall/spin. Contributing to the accident was the improper weight and balance, inadequate altitude, and inadequate supervision.NTSB MIA94LA026Accident · No injuriesLimited investigationFinal reportPiper PA-24-250 · Labelle, FLThe pilot-in-command exceeding the structural limits of the airplane's design limits by in-flight over-stress that resulted in damage to the gear extension system, fuselage and control surfaces.NTSB FTW94FA031Accident · 1 fatalField investigationFinal reportPiper PA-24-250 · Longview, TXPoor judgment of the pilot due to impairment from consumption of alcohol and use of a drug (marijuana), and his failure to correct a descent, while maneuvering at low altitude. A factor related to the accident was: the pilot's psychological condition.NTSB SEA94LA013Accident · No injuriesLimited investigationFinal reportCessna 172N · Renton, WAThe student pilot's failure to maintain directional control during landing. The crosswind was a factor.NTSB SEA93LA212Accident · No injuriesLimited investigationFinal reportCessna 182RG · Vancouver, WAThe pilot's inadvertent landing gear retraction.NTSB LAX93LA342Accident · No injuriesLimited investigationFinal reportPiper PA-24-250 · Hesperia, CAThe aircraft's encounter with a low level windshear and the pilot's inadequate compensation for the existing wind conditions.NTSB ANC93LA159Accident · 1 fatalLimited investigationFinal reportMorgan Steen Skybolt MI-2 · Nome, AKThe pilot delayed in recovering from the aerobatic maneuver.NTSB NYC93LA168Accident · No injuriesLimited investigationFinal reportPiper PA-25-225 · Chesapeake, VAThe loosening of the crankshaft geardrive as a resulted of a sheared bolt and guide pin which resulted in the loss of engine power. A factor was a forced landing on a crop field.NTSB CHI93DTG03Accident · No injuriesFinal reportPiper PA-25-235 · Washburn, NDthe loss of engine power due to a magneto failure.NTSB LAX93FA311Accident · 3 fatalField investigationFinal reportRobinson R44 · El Monte, CAFatigue failure of the cyclic control (stick) assembly, which resulted in loss of cyclic (pitch & roll) control.NTSB CHI93LA251Accident · Minor injuriesLimited investigationFinal reportPiper PA-25-235 · Clarence, MOIs the pilot in command's failure to maintain proper clearance. A factor to the accident were the trees at the end of the field to be sprayed.NTSB ATL93LA126Accident · No injuriesLimited investigationFinal reportPiper PA-25-260 · Bainbridge, GAThe failure of the landing gear axle.NTSB ATL93LA121Accident · 1 fatalLimited investigationFinal reportPiper PA-25-235 · Bainbridge, GAThe pilot's failure to maintain adequate clearance from the ground.NTSB NYC93LA131Accident · Minor injuriesLimited investigationFinal reportPiper PA-32 · Spencer, MAThe pilot's inadequate preflight planning for the high density altitude departure and the delay in aborting the takeoff roll, with insufficient runway remaining, resulting in a collision with treesNTSB NYC93LA129Accident · Serious injuriesLimited investigationFinal reportPiper PA-28-236 · West Milford, NJA manufacturer's defect which resulted in fatigue failure of the magneto impluse coupling spring and the loss of engine power. A factor was unsuitable terrain.NTSB CHI93LA175Accident · Serious injuriesLimited investigationFinal reportPiper PA-25-235 · Mexico, MOa loss of engine power for undetermined reasons. A factor in the accident was the soft field landing site.NTSB BFO93LA091Accident · No injuriesLimited investigationFinal reportCessna 172N · Petersburg, OHThe pilot's failure to attain the proper touchdown point while attempting to land on a wet grass strip, and his failure to perform a go around. The wet grass runway was a factor.NTSB LAX93LA196Accident · No injuriesLimited investigationFinal reportDornier DO-28 · Paradise, CAThe poor in flight fuel consumption calculations by the pilot and the pilot's in flight decision not to switch fuel tanks which caused the total failure of both of the airplane's engines. Factors relating to this accident were fuel starvation and the high…NTSB SEA93LA101Accident · Serious injuriesLimited investigationFinal reportPiper PA-25-235 · Forest Grove, ORThe pilot in command's inadequate preflight planning. Factors contributing to the accident were the wet terrain, tailwind, trees, and wires.NTSB FTW93FA132Accident · 1 fatalField investigationFinal reportPiper PA-23-250 · Henryetta, OKThe pilot's decision to fly into known adverse weather conditions and the ensuing spatial disorientation. Factors were the weather, and the pilot's decision to fly into IMC with inadequate flight and navigational equipment installed in the aircraft.NTSB MIA93WA098Accident · No injuriesForeign investigationPiper PA-32-260 · N. Eleuthera I., BahamasNTSB MIA93IA083Incident · No injuriesIncident investigationFinal reportAero Commander 500 · Everglades City, FLThe preexisting fatigue cracking of the propeller hub arm in the bearing retention radius due to polishing and wear of the radius from contact with the split rings, resulting in a propeller blade separating from the propeller hub on the takeoff ground run,…NTSB MIA93LA063Accident · No injuriesLimited investigationFinal reportBates Barracuda I · Bay St. Louis, MSUndetermined due to the destruction of the airplane after the gear collapsed on landing.NTSB CHI93LA088Accident · No injuriesLimited investigationFinal reportPiper PA-28-235 · Lafayette, INThe pilot-in-command's decision to initiate flight into known icing conditions which resulted in an accummulation of airframe ice. The icing conditions and the pilot's disregard of the weather advisory were factors.NTSB CHI93LA087Accident · Minor injuriesLimited investigationFinal reportPiper PA-32 · Austin, MNThe pilot's failure to maintain altitude. The pilot's continued flight into IMC, diverted attention and the environmental conditions were factors.