NTSB investigations: Lycoming AEIO-540 series
115 cases on aircraft whose registry engine model is Lycoming AEIO-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, newest first
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.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41568'))
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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41568'))
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 NYC94LA070Accident · No injuriesLimited investigationFinal reportAviat Pitts S-2B · Albion, NYthe pilot's loss of directional control during the landing roll, and the subsequent collision with soft terrain and nose over. Factors related to the accident were: the snowbanks on either side of the runway, and the pilot's lack of recent flight experience.NTSB FTW93LA265Accident · No injuriesLimited investigationFinal reportPitts S1-T · Sherman, TXFailure to maintain visual lookout by the pilots in command of both aircraft.NTSB LAX93LA359Accident · No injuriesLimited investigationFinal reportChristen Industries Pitts S-2B · Hawthorne, CAdual student's failure to maintain directional control and improper use of the rudder and the CFI's inadequate supervision of the flight.NTSB BFO93LA045Accident · Serious injuriesLimited investigationFinal reportPitts S-2B · Hillsboro, MDFailure of the pilot to maintain airspeed, while performing aerobatic maneuvers, which resulted in an inadvertent flat spin and an uncontrolled descent into terrain.NTSB ATL93LA042Accident · No injuriesLimited investigationFinal reportPitts S2B · Tuscaloosa, ALThe failure of the pilot to maintain directional control of the aircraft, during the take off roll. A factor was the wind gust.NTSB CHI92LA190Accident · No injuriesLimited investigationFinal reportPitts S2B · Aurora, NEThe pilot-in-command's restricted visual lookout from smoke entering the cockpit. Factors were smoke in the cockpit which resulted in the pilot becoming disoriented.NTSB MIA92LA013Accident · No injuriesLimited investigationFinal reportChristen Industries Pitts S-2B · Sebring, FLFailure of the pilot to maintain directional control, which resulted in an inadvertent ground swerve and collision with tall grass beside the runway. The tall grass was a related factor.NTSB SEA91FA203Accident · 1 fatalField investigationFinal reportChristen Industries Pitts S-2B · Scappoose, ORThe pilot's misjudgment of altitude, while performing an aerobatic maneuver, and his failure to maintain ground clearance.NTSB SEA90LA160Accident · No injuriesLimited investigationFinal reportAlfred Stevens KEN Rand KR-2 · Ellensburg, WAThe pilot did not maintain a proper altitude above the terrain or visual lookout which resulted in a collision with a transmission wire.NTSB CHI90DEV07Accident · 2 fatalFinal reportPitts S2B · Springfield, ILThe pilot's failure to maintain flying speed and allowed the aircraft to stall during the break turn to downwind.NTSB DEN90LA050Accident · No injuriesLimited investigationFinal reportChristen Industries Pitts · Las Vegas, NVThe pilot-in-command's failure to maintain directional control after a partial failure of the normal brake system.NTSB FTW89LA048Accident · Serious injuriesLimited investigationFinal reportPitts S2B · Walker, LALoss of total engine power due to fuel exhaustion. Fuel exhaustion occurred due to the pilot's failure to perform fuel consumption calculations. Contributing was the inadequate fuel quanity sight gauge in the rear cockpit, which was occupied by the PIC.NTSB MIA87LA049Accident · No injuriesLimited investigationFinal reportChristen Industries Pitts S-2B · Gulfport, MSThe acft touched down at a high rate of speed with a left quartering tailwind at the halfway point on the 2700 ft rwy. The acft ran off of the right side of the rwy and the plt regained control getting the acft back onto the rwy. The acft then overran the end…NTSB FTW86FA027Accident · 2 fatalField investigationFinal reportCessna 172B · Caddo Mills, TXMid-air occurred at uncontrolled arpt with the S-2B executing rt traffic, as published, and the C-172 executing a long final or an arcing lft turn to final. Both acft were attempting to land on rwy 17R. Acdt occurred during late afternoon and there was…NTSB CHI85LA179Accident · No injuriesLimited investigationFinal reportPitts Pitts S2B · Indianapolis, INThe acft performed 4 aileron rolls during which some alt was lost with each roll. During the final roll a wing made ground contact and folded as the acft slid to a stop.