# NTSB investigations: Lycoming TIO-540 series

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB CEN26LA100](https://openairdocs.org/ntsb/CEN26LA100.md): Piper PA 46-350P · Sioux City, IA · Accident · No injuries · Class 3 · Limited · Preliminary report · Jan 24, 2026 · N91MK · Substantial damage
  > On January 24, 2026, about 0712 central daylight time, a Piper PA-46-350P airplane, N91MK, was substantially damaged when it was involved in an accident near Sioux City, Iowa. The pilot and passenger were uninjured. The airplane was operated as a Title 14…
- [NTSB WPR25LA293](https://openairdocs.org/ntsb/WPR25LA293.md): Piper PA 46-350P · Lake Havasu City, AZ · Accident · No injuries · Class 4 · Limited · Final report · Sep 23, 2025 · N462HP · Substantial damage
  > The pilot’s failure to extend the landing gear before landing due to distraction and failure to conduct the before landing checklist.
- [NTSB ERA25LA268](https://openairdocs.org/ntsb/ERA25LA268.md): Piper PA46 · Elysburg, PA · Accident · No injuries · Class 4 · Limited · Final report · Jul 11, 2025 · N962WF · Substantial damage
  > Failure of the engine mount which resulted in a collapse of the nose landing gear.
- [NTSB ERA23LA161](https://openairdocs.org/ntsb/ERA23LA161.md): Piper PA-46-350P · St. Augustine, FL · Accident · Serious injuries · Class 3 · Limited · Final report · Mar 23, 2023 · N280KC · Destroyed
  > The pilot's inadequate preflight planning, which resulted in a takeoff above the airplane’s maximum gross weight, a CG forward of the limit, and a tailwind component that prevented the airplane from climbing above trees.
- [NTSB WPR23LA002](https://openairdocs.org/ntsb/WPR23LA002.md): Piper PA 46-350P · Clovis, NM · Accident · No injuries · Class 3 · Limited · Final report · Oct 2, 2022 · N987PS · Substantial damage
  > The pilot’s failure to follow the go-around procedures by prematurely retracting the flaps and not establishing a proper go-around climb speed after attempting to land with a quartering tailwind, resulting in the airplane’s inability to climb.
- [NTSB ERA22FA318](https://openairdocs.org/ntsb/ERA22FA318.md): Piper PA-46-350P · North Las Vegas, NV · Accident · 4 fatal · Class 3 · Field · Final report · Jul 17, 2022 · N97CX · 2 aircraft · Destroyed
  > The low-wing airplane pilot’s failure to ensure that the airplane was aligned with the correct runway, which resulted in a collision with the high-wing airplane on final approach. Contributing to the accident was the controller’s failure to provide timely and…
- [NTSB WPR22LA163](https://openairdocs.org/ntsb/WPR22LA163.md): Textron T206H · Santa Barbara, CA · Accident · No injuries · Class 3 · Limited · Final report · Apr 21, 2022 · N20617 · Substantial damage
  > The loss of directional control for undetermined reasons. Contributing was the overstress fracture of the nose gear upper trunnion brace attach point.
- [NTSB CEN21LA186](https://openairdocs.org/ntsb/CEN21LA186.md): Piper PA 46-350P · Aspen, CO · Accident · No injuries · Class 4 · Limited · Final report · Feb 28, 2021 · N6962S · Substantial damage
  > The pilot’s failure to maintain directional control on landing.
- [NTSB ERA20LA274](https://openairdocs.org/ntsb/ERA20LA274.md): Piper PA32RT · Honesdale, PA · Accident · No injuries · Class 3 · Limited · Final report · Aug 1, 2020 · N3025L · Substantial damage
  > The pilot’s premature rotation for takeoff, which resulted in a tail strike and subsequent runway excursion. Contributing to the accident was the pilot’s inadequate preflight planning, which failed to accurately determine and account for the effects of…
- [NTSB GAA19CA456](https://openairdocs.org/ntsb/GAA19CA456.md): Piper PA46 · Sparta, TN · Accident · No injuries · Data collection · Final report · Jul 27, 2019 · N12KW · Substantial damage
  > The pilot's failure to maintain the runway heading during an aborted takeoff, which resulted in a runway excursion and collision with a sign and terrain. Contributing to the need to abort the takeoff was the pilot's improper decision to take off with the…
- [NTSB GAA19CA304](https://openairdocs.org/ntsb/GAA19CA304.md): Piper PA32R · Flippin, AR · Accident · No injuries · Data collection · Final report · Jun 2, 2019 · N9966G · Substantial damage
  > The airplane’s collision with deer during the landing and the airport’s failure to provide an adequate barrier to prevent wildlife from entering the runway environment despite previous deer strikes.
- [NTSB CEN19FA088](https://openairdocs.org/ntsb/CEN19FA088.md): Piper PA46 · Shreveport, LA · Accident · 2 fatal · Field investigation · Final report · Feb 28, 2019 · N428CD · Substantial damage
  > The pilot's conduct of a departure into instrument meteorological conditions (IMC), which resulted in spatial disorientation and subsequent loss of airplane control. Contributing to the accident was the pilot's poor instrument flying skills and his decision…
- [NTSB ERA19LA072](https://openairdocs.org/ntsb/ERA19LA072.md): Piper PA46 · Mayport, FL · Accident · 2 fatal · Class 3 · Limited · Final report · Dec 20, 2018 · N307JM · Destroyed
  > An in-flight loss of control following an encounter with supercooled large droplet icing conditions, which ultimately resulted in an uncontrolled descent and subsequent inflight breakup. Also causal was the pilot’s failure to maintain an appropriate airspeed…
- [NTSB ERA19LA086](https://openairdocs.org/ntsb/ERA19LA086.md): Piper PA46 · Petersburg, WV · Accident · No injuries · Class 3 · Limited · Final report · Nov 18, 2018 · N88VZ · Substantial damage
  > A loss of control during the landing roll and subsequent runway excursion for reasons that could not be determined based on the available evidence.
- [NTSB GAA17CA139](https://openairdocs.org/ntsb/GAA17CA139.md): Piper PA46 · Midland, VA · Accident · No injuries · Data collection · Final report · Dec 2, 2016 · N4149R · Substantial damage
  > The pilot’s improper landing flare and subsequent hard landing while demonstrating a short-field landing and the flight instructor’s delayed remedial action.
- [NTSB CEN16WA268](https://openairdocs.org/ntsb/CEN16WA268.md): Piper PA-32R-301 · Ajdovscina, Slovenia · Accident · 4 fatal · Foreign investigation · Jul 14, 2016 · N710CC · Destroyed
  > The accident investigation is under the jurisdiction and control of the Republic of Slovenia. This report is for information purposes only and contains only information released by or obtained from the Republic of Slovenia. Further information pertaining to…
- [NTSB WPR16LA127](https://openairdocs.org/ntsb/WPR16LA127.md): Piper PA46 · Seattle, WA · Accident · No injuries · Class 3 · Limited · Final report · Jun 2, 2016 · N301DM · Substantial damage
  > The pilot’s failure to use the emergency procedures checklist for generator failures or for gear extension following a loss of electrical power due to the separated flag terminal of a diode in overstress, which resulted in a gear-up landing.
- [NTSB CEN14LA476](https://openairdocs.org/ntsb/CEN14LA476.md): Piper PA-46-350P · Cortez, CO · Accident · Minor injuries · Limited investigation · Final report · Sep 3, 2014 · N747TH · Substantial damage
  > The flight instructor’s delayed decision to abort the simulated engine out maneuver, his failure to unfeather the propeller before restoring engine power, and his inadequate airspeed management, which led to an aerodynamic stall at low altitude.
- [NTSB WPR14LA307](https://openairdocs.org/ntsb/WPR14LA307.md): Piper PA 46 350P · Auburn, WA · Accident · No injuries · Limited investigation · Final report · Jul 22, 2014 · N60PB · Substantial damage
  > A collapse of the nose landing gear for reasons that could not be determined based on the available information.
- [NTSB WPR13FA008](https://openairdocs.org/ntsb/WPR13FA008.md): Piper PA-32R-301T · Laramie Peak, WY · Accident · 4 fatal · Field investigation · Final report · Oct 9, 2012 · N110UM · Destroyed
  > The noninstrument-rated pilot’s continued visual flight into instrument meteorological conditions, which resulted in his failure to maintain sufficient clearance from rising terrain.
- [NTSB ERA12LA524](https://openairdocs.org/ntsb/ERA12LA524.md): Piper PA-32R-301T · Riverview, FL · Accident · No injuries · Limited investigation · Final report · Aug 23, 2012 · N362DM · Substantial damage
  > Damage to the propeller governor gasket during installation by unknown persons, which resulted in a total loss of engine oil in flight and a subsequent forced landing.
- [NTSB ERA12LA441](https://openairdocs.org/ntsb/ERA12LA441.md): Piper PA-46-350P · Auburn, AL · Accident · No injuries · Limited investigation · Final report · Jul 6, 2012 · N4133G · Substantial damage
  > The airplane owner’s failure to have maintenance personnel comply with an aircraft manufacturer's service bulletin to require engine mount inspections for fatigue cracks, which resulted in an undetected fatigue crack, the engine mount failing, and the nose…
- [NTSB CEN10FA233](https://openairdocs.org/ntsb/CEN10FA233.md): JetProp DLX Piper PA46 · New Albany, IN · Accident · 2 fatal · Field investigation · Final report · May 3, 2010 · N135CC · Substantial damage
  > The pilot’s failure to maintain airspeed in instrument meteorological conditions, which resulted in an aerodynamic stall.
- [NTSB ERA10CA230](https://openairdocs.org/ntsb/ERA10CA230.md): Piper PA-32R-301T · Augusta, GA · Accident · No injuries · Data collection · Final report · Apr 5, 2010 · N541VB · Substantial damage
  > The pilot’s inadequate braking after touchdown, which resulted in a runway excursion.
- [NTSB NYC08CA169](https://openairdocs.org/ntsb/NYC08CA169.md): Piper PA-46-350P · Chapel Hill, NC · Accident · No injuries · Data collection · Final report · Apr 22, 2008 · N345RP · Substantial damage
  > The pilot's improper recovery from a bounced landing. Contributing to the accident was the gusty wind conditions.
- [NTSB CHI07LA151](https://openairdocs.org/ntsb/CHI07LA151.md): Piper PA 46-350P · Fishers, IN · Accident · No injuries · Limited investigation · Final report · May 19, 2007 · N411MD · Substantial damage
  > The fatigue separation of the engine mount's nose gear actuator attachment foot during landing.
- [NTSB DFW07LA021](https://openairdocs.org/ntsb/DFW07LA021.md): Piper PA32-301XTC · San Marcos, TX · Accident · No injuries · Limited investigation · Final report · Oct 31, 2006 · N506C · Substantial damage
  > The pilot's improper recovery from a bounced landing.
- [NTSB DEN06LA062](https://openairdocs.org/ntsb/DEN06LA062.md): Piper PA-46-350P · Hope, NM · Accident · No injuries · Limited investigation · Final report · Apr 13, 2006 · N82LL · Substantial damage
  > A loss of engine power due to failed bearings in the turbocharger and the subsequent oil seal failure leading to oil exhaustion. Factors contributing to the accident were the fractured oil seal and the road sign.
- [NTSB CHI05FA042](https://openairdocs.org/ntsb/CHI05FA042.md): Piper PA-32R-301T · Glenwood, MN · Accident · 2 fatal · Field investigation · Final report · Dec 9, 2004 · N587C · Substantial damage
  > The pilot's failure to execute a missed approach and his failure to maintain sufficient altitude and clearance from terrain and obstructions. Contributing factors were the pilot's failure to obtain a preflight weather briefing, his decision to delay descent…
- [NTSB IAD05CA015](https://openairdocs.org/ntsb/IAD05CA015.md): Socata TB 21-TC · Binghamton, NY · Accident · No injuries · Data collection · Final report · Nov 18, 2004 · N55510 · Substantial damage
  > The pilot's improper IFR procedure by his flight below the decision altitude, and his failure to maintain obstacle clearance.
- [NTSB LAX05FA032](https://openairdocs.org/ntsb/LAX05FA032.md): Piper PA-32R-301T · Santa Barbara, CA · Accident · 3 fatal · Field investigation · Final report · Nov 11, 2004 · N803ZG · Destroyed
  > The pilot's failure to select and maintain an adequate terrain avoidance cruise altitude. Contributing factors were the dark nighttime conditions, the rising mountainous terrain, and the Federal Aviation Administration controller's failure to issue a…
- [NTSB FTW04WA048](https://openairdocs.org/ntsb/FTW04WA048.md): Piper PA-46 · Guaymas, Mexico · Accident · 2 fatal · Foreign investigation · Dec 13, 2003 · N9223X · Destroyed
- [NTSB MIA03LA012](https://openairdocs.org/ntsb/MIA03LA012.md): Piper PA-46-350P · Memphis, TN · Accident · 2 fatal · Limited investigation · Final report · Nov 3, 2002 · N167MA · Destroyed
  > The cause of the accident is unknown as the airplane has not been located. A finding in the investigation was the fact that the pilot conducted an unstabilized approach; the flight was right, left, then right of the final approach course during the approach…
- [NTSB NYC00LA212](https://openairdocs.org/ntsb/NYC00LA212.md): Piper PA-46 · Chatham, MA · Accident · Minor injuries · Limited investigation · Final report · Jul 28, 2000 · N555JV · Substantial damage
  > The pilot's delayed use of the brakes, which resulted in a runway overrun. Factors in the accident were the pilot's improper decision to land with a right quartering tailwind.
- [NTSB NYC00WA015](https://openairdocs.org/ntsb/NYC00WA015.md): Piper PA-46-350P · Cranbrook, Canada · Accident · 1 fatal · Foreign investigation · Oct 18, 1999 · N90D · Destroyed
- [NTSB ATL99LA052](https://openairdocs.org/ntsb/ATL99LA052.md): Piper PA-46-350P · Laurens, SC · Accident · No injuries · Limited investigation · Final report · Mar 14, 1999 · N345RP · Substantial damage
  > The pilot's disregard for current wind conditions and his failure to maintain directional control during landing. Factors were the tailwind and wet runway surface.
- [NTSB MIA97LA126](https://openairdocs.org/ntsb/MIA97LA126.md): Socata TB-21C · Hollywood, FL · Accident · No injuries · Limited investigation · Final report · Mar 21, 1997 · N55510 · Substantial damage
  > continued flight by the pilot into adverse weather conditions, and the pilot allowing the aircraft to exceed its design stress limits. Weather associated with the thunderstorm was a related factor.

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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 ('41569', '42500'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41569

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.