NTSB investigations: Lycoming 0-540 series, WI
46 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
| 1965 | 1 |
|---|---|
| 1966 | 1 |
| 1967 | 4 |
| 1969 | 3 |
| 1970 | 1 |
| 1971 | 1 |
| 1972 | 2 |
| 1974 | 1 |
| 1975 | 1 |
| 1976 | 2 |
| 1977 | 2 |
| 1978 | 1 |
| 1979 | 1 |
| 1980 | 2 |
| 1981 | 1 |
| 1983 | 1 |
| 1984 | 1 |
| 1985 | 1 |
| 1986 | 1 |
| 1987 | 1 |
| 1988 | 1 |
| 1991 | 1 |
| 1995 | 1 |
| 1997 | 1 |
| 2001 | 1 |
| 2003 | 1 |
| 2005 | 1 |
| 2006 | 1 |
| 2008 | 1 |
| 2014 | 1 |
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2024 | 1 |
| 2025 | 1 |
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 c.\"eventStateOrRegion\" = 'WI' AND c.\"eventCountry\" = 'USA'
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 c."eventStateOrRegion" = 'WI' AND c."eventCountry" = 'USA'
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 CEN26LA025Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-24-250 · Eau Claire, WIThe pilot’s failure to ensure that the landing gear was properly extended before landing. Contributing to the accident was the pilot’s unfamiliarity with the landing gear warning horn and failure to verify the gear was extended with the cockpit position…NTSB CEN24LA322Accident · Minor injuriesClass 4 · LimitedFinal reportPiper PA-32-260 · Chetek, WIThe pilot’s improper landing flare and hard landing.NTSB CEN19LA071Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA24 · Beechwood, WIA partial loss of engine power for reasons that could not be determined based on the available information.NTSB CEN18LA158Accident · No injuriesClass 3 · LimitedFinal reportRobinson Helicopter R44 · East Troy, WIA partial loss of engine power for reasons that could not be determined based on the available information, which resulted in impact with terrain and dynamic rollover during the subsequent attempted landing.NTSB GAA17CA491Accident · No injuriesData collectionFinal reportRobinson Helicopter R44 · Westby, WIThe pilot's failure to see and avoid power lines while maneuvering at low altitude.NTSB CEN16LA255Accident · Minor injuriesLimited investigationFinal reportPiper PA 25-235 · Arlington, WIThe pilot’s failure to establish proper airspeed and angle-of-attack during takeoff with the airplane at its maximum gross weight in elevated density altitude and gusting tailwind conditions, which resulted in an aerodynamic stall.NTSB CEN16LA021Accident · No injuriesLimited investigationFinal reportPiper PA 28-235 · Winneconne, WIAn engine compartment fire during landing, which resulted in extensive fire damage, for reasons that could not be determined during examinations of the remaining wreckage.NTSB CEN14CA344Accident · Minor injuriesData collectionFinal reportPiper PA 25-235 · Rhinelander, WIA loss of engine power due to the pilot's improper inflight planning and reliance of fuel gauge readings, which resulted in fuel exhaustion.NTSB CHI08LA124Accident · 1 fatalLimited investigationFinal reportPiper PA-25-235 · New Lisbon, WIThe pilot's failure to maintain adequate altitude during a course reversal at the completion of an agricultural spray run.NTSB CHI06FA128Accident · Serious injuriesField investigationFinal reportRobinson R44 · East Troy, WIThe pilot's failure to calculate the weight and balance of the helicopter prior to flight, his failure to recognize and correct the forward center of gravity condition and his failure to abort the takeoff. A factors was the pilot's improper decision to…NTSB CHI05FA274Accident · 3 fatalField investigationFinal reportRobinson R44 · Drummond, WIClearance not obtained/maintained by the pilot during an unknown phase of flight. Contributing factors were the improper use of procedures by the pilot, the inadequate surveillance of the operation by company/management, and the wire.NTSB CHI03LA272Accident · No injuriesLimited investigationFinal reportPiper PA-25 · Brandon, WIThe pilot failed to maintain clearance from the corn crop during an aerial application maneuver. Additional factors were the terrain induced turbulence and the corn crop.NTSB CHI02FA049Accident · 1 fatalField investigationFinal reportRobinson R44 · Waukesha, WIThe pilot's continued flight into adverse weather and not maintaining altitude/clearance from the static line during cruise flight. Factors were the static wire, the darkness of night, the low ceiling, and the vehicle.NTSB CHI97LA244Accident · Minor injuriesLimited investigationFinal reportPiper PA-24-250 · Fond Du Lac, WIthe pilot's improper use of the throttle control friction lock, and his inadequate remedial action. Related factors were his lack of experience in type of aircraft, the pilot's habit interference, and the presence of parked (standing) aircraft.NTSB CHI96LA003Accident · No injuriesLimited investigationFinal reportPiper PA-28-236 · Thorp, WIthe pilot's failure to abort the takeoff and the premature liftoff which resulted in an inadvertent stall. Factors relating to this accident are improper planning and decision by the pilot, and the tall, wet grass.NTSB CHI91DEP05Accident · No injuriesFinal reportPiper PA-25-235 · Neenah, WIThe pilot in command's failure to attain sufficient airspeed to achieve flight, and his failure to abort the takeoff.NTSB CHI88DEP10Accident · No injuriesFinal reportPiper PA-25-235 · Beaver Dam, WIWhile in cruise flight the aircraft experienced a total loss of power due to fuel exhaustion. The pilot stated that there were no good landing areas available, so he elected to make the emergency landing in a marsh. The aircraft landed hard and sustained…NTSB CHI87LA082Accident · No injuriesLimited investigationFinal reportPiper PA-28-235 · Oshkosh, WIAccording to the plt, at aprx 1800 feet 'the engine abruptly quit with no runon or sputter' following takeoff from rwy 18 at Oshkosh, WI. The plt stated that he banked the acft back to the airport, but the aileron controls became jammed or 'frozen'. According…NTSB CHI86FA194Accident · Serious injuriesField investigationFinal reportPiper PA-24-250 · Oshkosh, WIThe aircraft ran out of fuel after 3+41 hours of flight. The pilot stated that he was sure the tanks were full on takeoff. Flight planning and a documented conservative fuel burn rate indicated that the aircraft should have been able to remain airborne for at…NTSB CHI85FA176Accident · 1 fatalField investigationFinal reportCessna R182 · Prairie Dusac, WIThis midair collision occurred approx 2 mi NE of sauk-Prairie apt. The pilots of the Cessna were in a climbing right departure turn at approx 1600 ft MSL heading approx 120 deg when a collsion occurred with a Piper heading approx 270 deg and descending. One…NTSB CHI84LA386Accident · No injuriesLimited investigationFinal reportPiper PA25 · Sheboygan, WIPlt initiated takeoff in strong gusty x-wind. Approaching tree line, acft began to sink. Plt turned to avoid trees and stalled acft. Load jettison was too late to aid in stall recovery and acft mushed into ground.NTSB CHI83LA219Accident · No injuriesLimited investigationFinal reportPiper PA25 · Tomah, WIThe acft lost power and made a forced landing immediately after takeoff on an aerial application mission. The landing gear collapsed during the landing. The pilot stated that the accident occurred on the 5th flt of the day after taking off on runway 27 and…NTSB CHI82DEP04Accident · No injuriesClosedCessna TR182 · Lake Geneva, WINTSB CHI80FEP58Accident · No injuriesClosedPiper PA-25 · Evansville, WINTSB CHI80DEP50Accident · No injuriesClosedPiper PA-32 · Dodgeville, WINTSB CHI79FEP24Accident · No injuriesClosedPiper PA-32 · Milwaukee, WINTSB CHI79DEP17Accident · No injuriesClosedPiper PA-24 · Eau Claire, WINTSB CHI78FEP05Accident · No injuriesClosedPiper PA-24 · Green Bay, WINTSB CHI77FER04Accident · 1 fatalClosedPiper PA-24 · Superior, WINTSB CHI77FEP13Accident · No injuriesClosedPiper PA-28 · Cable, WINTSB CHI76DEP25Accident · No injuriesClosedCessna 182 · Milwaukee, WINTSB CHI75DEP72Accident · No injuriesClosedPiper PA-24 · Sturgeon Bay, WINTSB CHI74DEP35Accident · No injuriesClosedPiper PA-32 · Racine, WINTSB CHI73FEP73Accident · No injuriesClosedPiper PA-24 · Burlington, WINTSB CHI73FEP10Accident · Serious injuriesClosedPiper PA-25 · Suring, WINTSB CHI71DEP52Accident · No injuriesClosedPiper PA-25 · Random Lake, WINTSB CHI70FDM07Accident · No injuriesClosedPiper PA-28 · Minong, WINTSB CHI70F0333Accident · Minor injuriesClosedPiper PA-24 · Sextonville, WINTSB CHI70D0095Accident · No injuriesClosedPiper PA-25 · Suring, WINTSB CHI69F0496Accident · No injuriesClosedPiper PA-24 · Eau Claire, WINTSB CHI68F0125Accident · Minor injuriesClosedPiper PA-28 · Three Lakes, WINTSB CHI67D0598Accident · No injuriesClosedPiper PA-24 · Eagle River, WINTSB CHI67F0472Accident · No injuriesClosedPiper PA-24 · Eau Claire, WINTSB CHI67D0592Accident · No injuriesClosedPiper PA-24 · Milwaukee, WINTSB CHI67F0030Accident · No injuriesClosedPiper PA24 · Delavan, WINTSB CHI66D0493Accident · No injuriesClosedPiper PA-24 · Crivitz, WI