Final NTSB investigations: Lycoming TIO-540-AJ1A

28 cases on aircraft whose registry engine model is Lycoming TIO-540-AJ1A. 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

19782026
Final NTSB investigations: Lycoming TIO-540-AJ1A per year, 1978–2026: 28 cases
19781
20061
20081
20091
20102
20122
20131
20142
20152
20161
20191
20201
20213
20221
20232
20244
20262

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 c.\"completionStatus\" = 'Completed'
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('42004'))
  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.

NTSB CEN26LA163Accident · No injuriesClass 4 · LimitedFinal reportTextron T206H · Wichita, KSThe flight crew’s failure to ensure that the rear cargo door was properly latched before flight.Apr 3, 2026 · N411CV · Substantial damageNTSB WPR26LA117Accident · No injuriesClass 4 · LimitedFinal reportCessna T206H · Lewiston, IDThe pilot’s improper landing flare, which resulted in hard, bounced landing and subsequent tail strike.Jan 18, 2026 · N465CS · Substantial damageNTSB ERA25LA022Accident · No injuriesClass 4 · LimitedFinal reportTextron T206H · Blountville, TNThe pilot’s failure to maintain directional control during takeoff and subsequent rejected takeoff, which resulted in a runway excursion. Contributing to the accident was the pilot’s failure to verify rudder trim setting prior to takeoff.Oct 17, 2024 · N89S · Substantial damageNTSB WPR24FA304Accident · 1 fatalClass 3 · FieldFinal reportGlobe Swift GC-1B · Minden, NVThe failure of the pilots of both airplanes to see and avoid the other airplane while operating in the airport traffic pattern, which resulted in a midair collision.Sep 16, 2024 · N78074 · 2 aircraft · Substantial damageNTSB WPR24FA252Accident · 2 fatalClass 3 · FieldFinal reportTextron T206H · Kneeland, CAThe pilot’s delayed decision to perform a go-around after an unstabilized approach, which resulted in a loss of control, runway overrun, and impact with terrain.Jul 23, 2024 · N460DC · DestroyedNTSB WPR24LA141Accident · No injuriesClass 3 · LimitedFinal reportCessna T206H · Halls Crossing, UTThe airplane’s collision with a tree during an aborted landing. Contributing to the accident was the airplane’s reported brake malfunction for undetermined reasons.May 2, 2024 · N50101 · Substantial damageNTSB ERA23LA385Accident · Minor injuriesClass 4 · LimitedFinal reportCessna T206 · Port Clinton, OHThe pilot’s failure to detect and avoid unmarked powerline(s) while attempting to take off from a river.Sep 30, 2023 · N34PL · Substantial damageNTSB WPR23FA296Accident · 1 fatalClass 3 · FieldFinal reportCessna T206H · Yellow Pine, IDThe pilot’s decision to perform a go-around into rising mountainous terrain. Contributing to the accident was the pilot’s failure to follow published airport guidance about go-arounds, and landings and takeoffs with unfavorable winds.Jul 30, 2023 · N918KG · Substantial damageNTSB CEN22LA253Accident · Serious injuriesClass 3 · LimitedFinal reportCessna T206H · Austin, TXA total loss of engine power due to an engine fire that resulted from failure of the turbocharger exhaust clamp, which allowed hot exhaust gases to damage other vital engine components.Jun 16, 2022 · N52854 · Substantial damageNTSB ERA21LA279Accident · No injuriesClass 4 · LimitedFinal reportTextron T206 · Statesville, NCThe pilot’s failure to maintain directional control while landing, which resulted in a runway excursion and collision with terrain.Jul 6, 2021 · N302WD · Substantial damageNTSB WPR21LA240Accident · No injuriesClass 4 · LimitedFinal reportCessna T206 · Apple Valley, CAThe pilot's distraction due to adjusting the radio while taxing at night, which resulted in a taxiway excursion and subsequent impact with terrain.Jun 23, 2021 · N881HP · Substantial damageNTSB WPR21LA253Accident · No injuriesClass 4 · LimitedFinal reportCessna T206H · Palm Springs, CAThe Kingair pilot’s failure to maintain clearance from another airplane while taxiing, which resulted in a ground collision.May 10, 2021 · N206DT · 2 aircraft · Substantial damageNTSB CEN20CA349Accident · No injuriesClass 4 · Data collectionFinal reportCessna T206 · Bentonville, ARThe pilot's misjudgment of the landing flare which resulted in a bounced landing.Aug 1, 2020 · N829PA · Substantial damageNTSB GAA19CA372Accident · No injuriesData collectionFinal reportCessna T206 · Porterville, CAThe pilot's failure to verify that the rear cargo portion of the right cabin door was adequately secured before flight, which resulted in both portions of the door opening in flight and substantial damage to the fuselage.Apr 29, 2019 · N189JC · Substantial damageNTSB ANC16LA038Accident · No injuriesLimited investigationFinal reportCessna 206 · Halibut Cove, AKThe pilot's failure to maintain clearance from trees during an attempted go-around.Jul 4, 2016 · N6251K · Substantial damageNTSB ERA15FA312Accident · 1 fatalField investigationFinal reportCessna T206H · West Caldwell, NJA loss of engine power due to a malfunction of the turbocharging system likely due to contaminated oil. Also causal were the pilot's decision to continue the takeoff although the airplane was not performing normally and his failure to maintain adequate…Aug 15, 2015 · N63TV · DestroyedNTSB CEN15LA233Accident · Minor injuriesLimited investigationFinal reportCessna T206H · Piggott, ARThe loss of engine power due to a malfunctioning magneto. Contributing to the accident was maintenance personnel's improper use of a drill bit instead of a timing pin during magneto installation, which resulted in a section of the drill bit breaking off and…May 15, 2015 · N164CS · Substantial damageNTSB ERA14LA389Accident · Minor injuriesLimited investigationFinal reportCessna T206H · Wiggins, MSA loosening of the engine throttle cable from its support clamp during flight, which resulted in a loss of throttle control.Aug 14, 2014 · N1229M · Substantial damageNTSB CEN14CA384Accident · No injuriesData collectionFinal reportCessna T206H · Sterling City, TXThe pilot's failure to maintain directional control of the airplane during the crosswind landing.Jul 19, 2014 · N6035W · Substantial damageNTSB CEN13CA206Accident · No injuriesData collectionFinal reportCessna T206H · Sabinal, TXThe pilot’s failure to properly identify the airstrip, which resulted in him landing the airplane off of the airstrip in soft soil causing the nose over.Feb 13, 2013 · N7824G · Substantial damageNTSB ERA12CA460Accident · Minor injuriesData collectionFinal reportCessna T206H · Glens Falls, NYThe pilot's failure to maintain directional control during the landing roll, which resulted in a runway excursion.Jul 16, 2012 · N6200B · Substantial damageNTSB WPR12FA091Accident · 2 fatalField investigationFinal reportCessna T206H · Show Low, AZThe pilot’s encounter with low clouds/low visibility conditions during the initial climb, which resulted in spatial disorientation and loss of airplane control.Feb 4, 2012 · N445GH · Substantial damageNTSB ERA10CA447Accident · No injuriesData collectionFinal reportCessna T206H · Clayton, GAThe pilot's improper touchdown point while landing on the wet grass.Aug 27, 2010 · N6075M · Substantial damageNTSB WPR10TA213Accident · No injuriesFinal reportCessna T206H · Fullerton, CAThe pilot’s inadequate compensation for the wind conditions during the landing flare and failure to maintain directional control on the ground.Apr 19, 2010 · N6045C · Substantial damageNTSB ERA09CA362Accident · No injuriesData collectionFinal reportCessna T206H · Columbus, GAThe pilot's improper flare, which resulted in a hard landing.Jun 21, 2009 · N6075M · Substantial damageNTSB LAX08CA207Accident · No injuriesData collectionFinal reportCessna T206H · Fullerton, CAThe pilot's failure to maintain control of the airplane during the landing touchdown, resulting in the wings contacting the runway surface and a propeller strike.Jun 28, 2008 · N1296M · Substantial damageNTSB CHI06CA276Accident · No injuriesData collectionFinal reportCessna T206H · Cedar Rapids, IAAn in-flight collision with a bird during climb to cruise altitude.Sep 6, 2006 · N2430A · Substantial damageNTSB OAK79DXQ01Accident · No injuriesClosedCessna 305A · Lee Vining, CAOct 1, 1978 · N5197G · Substantial damage