# Final NTSB investigations: Lycoming AEIO-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.

Page 1 of 3 · 107 cases

## Latest cases

- [NTSB ERA26LA276](https://openairdocs.org/ntsb/ERA26LA276.md): Christen Industries Pitts S-2 · Porter Center, NY · Accident · Minor injuries · Class 4 · Limited · Final report · Jul 17, 2026 · N7RN · Substantial damage
  > The pilot’s failure to maintain directional control during the landing roll.
- [NTSB ERA25FA185](https://openairdocs.org/ntsb/ERA25FA185.md): MX Aircraft Tech PTY MXS · Hampton, VA · Accident · 1 fatal · Class 3 · Field · Final report · Apr 24, 2025 · N530RH · Substantial damage
  > A counterweight plug that loosened during the accident flight, jammed the elevator, and resulted in loss of control during landing.
- [NTSB ERA24FA391](https://openairdocs.org/ntsb/ERA24FA391.md): Aviat S-1-11B · Chapmansboro, TN · Accident · 1 fatal · Class 3 · Field · Final report · Sep 23, 2024 · N5111B · Substantial damage
  > The pilot’s loss of airplane control while performing an aerobatic maneuver, which resulted in the airplane entering an inverted flat spin at an altitude too low for recovery.
- [NTSB WPR24FA156](https://openairdocs.org/ntsb/WPR24FA156.md): Extra Flugzeugbau EA 300/L · Bandera, WA · Accident · 1 fatal · Class 3 · Field · Final report · May 19, 2024 · N22MW · Substantial damage
  > The pilot’s decision to continue flight into icing conditions and inclement weather, which likely led to spatial disorientation when he attempted to divert from the planned course to the destination airport.
- [NTSB WPR22FA240](https://openairdocs.org/ntsb/WPR22FA240.md): Extra Flugzeugbau EA 300/L · Boulder City, NV · Accident · 1 fatal · Class 3 · Field · Final report · Jul 3, 2022 · N343BH · Destroyed
  > The failure of the pilot to maintain control of the airplane by exceeding the airplane’s critical angle of attack while maneuvering in a turning climb at a low altitude, which resulted in an aerodynamic stall and spin from which the pilot was unable to…
- [NTSB ERA22LA238](https://openairdocs.org/ntsb/ERA22LA238.md): MX MXS · Bealeton, VA · Accident · No injuries · Class 4 · Limited · Final report · May 22, 2022 · N104MX · Substantial damage
  > An inflight collision with a bird while conducting low level aerobatics.
- [NTSB WPR22LA153](https://openairdocs.org/ntsb/WPR22LA153.md): Stoddard Hamilton Glasair Super II · Oxnard, CA · Accident · No injuries · Class 4 · Limited · Final report · Apr 16, 2022 · N90YY · Substantial damage
  > The pilot’s failure to maintain airplane control while on final approach, which resulted in a collision with a runway approach light.
- [NTSB WPR22LA088](https://openairdocs.org/ntsb/WPR22LA088.md): Extra Flugzeugbau EA 300/L · Phoenix, AZ · Accident · No injuries · Class 3 · Limited · Final report · Jan 13, 2022 · N203EX · Substantial damage
  > The failure of the right brake due to the separation of the brake pad from the brake assembly. Also causal was the improper maintenance of the airplane, which resulted in the use of a brake pad that was inappropriate for the airplane make and model.
- [NTSB ERA21LA107](https://openairdocs.org/ntsb/ERA21LA107.md): Extra Flugzeugbau EA 300/L · Pell City, AL · Accident · No injuries · Class 3 · Limited · Final report · Jan 13, 2021 · N771JP · Substantial damage
  > The pilot's mismanagement of the fuel supply, which resulted in fuel starvation. Contributing to the accident was the pilot’s failure to follow the manufacturer’s engine restart procedures after a total loss of engine power and his incomplete preflight…
- [NTSB WPR21LA076](https://openairdocs.org/ntsb/WPR21LA076.md): Extra Flugzeugbau EA 300/L · Santa Monica, CA · Accident · No injuries · Class 4 · Limited · Final report · Jan 3, 2021 · N52NL · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll, which resulted in a ground-loop.
- [NTSB WPR20CA174](https://openairdocs.org/ntsb/WPR20CA174.md): Extra EA 300 · Concord, CA · Accident · No injuries · Class 4 · Data collection · Final report · Apr 12, 2020 · N111XW · Substantial damage
  > The pilot's loss of directional control during the landing roll, which resulted in a ground loop.
- [NTSB CEN20CA146](https://openairdocs.org/ntsb/CEN20CA146.md): Pitts S2 · Fort Worth, TX · Accident · Minor injuries · Data collection · Final report · Apr 10, 2020 · N487J · Substantial damage
  > The pilot's inadequate preflight inspection of the fuel level, which resulted in a total loss of engine power due to fuel exhaustion.
- [NTSB GAA19CA577](https://openairdocs.org/ntsb/GAA19CA577.md): Pitts S2 · Morrisville, VT · Accident · No injuries · Data collection · Final report · Sep 28, 2019 · N5310S · Substantial damage
  > The pilot's failure to maintain directional control during landing, which resulted in a runway excursion and nose down.
- [NTSB CEN19FA270](https://openairdocs.org/ntsb/CEN19FA270.md): Pitts S2 · New Orleans, LA · Accident · 2 fatal · Class 3 · Field · Final report · Aug 16, 2019 · N600DF · Destroyed
  > A loss of control for undetermined reasons.
- [NTSB WPR19LA218](https://openairdocs.org/ntsb/WPR19LA218.md): Extra EA300 · Mesa, AZ · Accident · No injuries · Class 3 · Limited · Final report · Aug 14, 2019 · N19AM · Substantial damage
  > The flight instructor’s operation of the airplane outside of the manufacturer’s limitations, which resulted in fuel starvation and a partial loss of engine power. Contributing to the accident was an inoperative electric fuel boost pump.
- [NTSB GAA19CA021](https://openairdocs.org/ntsb/GAA19CA021.md): Aviat S · Hampton, GA · Accident · No injuries · Data collection · Final report · Oct 9, 2018 · N126BB · Substantial damage
  > The pilot’s failure to see and avoid power wires during approach.
- [NTSB CEN18LA127](https://openairdocs.org/ntsb/CEN18LA127.md): MX MXS · Fulton, TX · Accident · Minor injuries · Limited investigation · Final report · Mar 25, 2018 · N540JH · Substantial damage
  > A total loss of engine power due to the fatigue failure of the crankshaft, which resulted in the pilot’s forced landing to an abandoned airport and the airplane’s subsequent impact with debris on the runway.
- [NTSB GAA16CA127](https://openairdocs.org/ntsb/GAA16CA127.md): Cessna 150 · Santa Paula, CA · Accident · No injuries · Data collection · Final report · Feb 12, 2016 · N704SL · 2 aircraft · Substantial damage
  > The tailwheel pilot's failure to see and avoid a stationary airplane performing a run-up, which resulted in a ground collision.
- [NTSB WPR15LA255](https://openairdocs.org/ntsb/WPR15LA255.md): Extra Flugzeugbau EA 300/L · Jerome, ID · Accident · Serious injuries · Limited investigation · Final report · Sep 2, 2015 · N4BM · Destroyed
  > The pilot's failure to maintain clearance from terrain while conducting a low-altitude aerobatic maneuver.
- [NTSB CEN15FA282](https://openairdocs.org/ntsb/CEN15FA282.md): Christen Industries Pitts S-2B · Cameron, MO · Accident · 1 fatal · Field investigation · Final report · Jun 27, 2015 · N877UP · Substantial damage
  > The pilot’s failure to maintain airplane control during a low-level aerobatic flight maneuver.
- [NTSB ERA15LA210](https://openairdocs.org/ntsb/ERA15LA210.md): Aviat Pitts S-2B · Tullahoma, TN · Accident · Serious injuries · Limited investigation · Final report · May 14, 2015 · N110PS · 2 aircraft · Minor damage
  > The pilot’s inadequate visual lookout, which resulted in his airplane landing on top of the other airplane.
- [NTSB ERA15CA037](https://openairdocs.org/ntsb/ERA15CA037.md): Aviat S 2C · Rutland, VT · Accident · No injuries · Data collection · Final report · Oct 28, 2014 · N340BF · Substantial damage
  > The pilot's failure to maintain directional control during landing rollout in gusty crosswind conditions, which resulted in a ground loop and subsequent substantial damage to the airplane.
- [NTSB ERA14CA379](https://openairdocs.org/ntsb/ERA14CA379.md): Aviat Pitts S2B · Lakeville, NY · Accident · No injuries · Data collection · Final report · Aug 9, 2014 · N893DC · Substantial damage
  > The pilot's decision to favor the right side of the relatively narrow turf runway while landing, resulting in inadvertent contact with tall grass and a berm.
- [NTSB WPR14LA329](https://openairdocs.org/ntsb/WPR14LA329.md): Christen Industries Pitts S 2B · Oceanside, CA · Accident · No injuries · Limited investigation · Final report · Aug 5, 2014 · N88EW · Substantial damage
  > The total loss of engine power due to fuel exhaustion. Contributing to the accident was the pilot’s inadequate fuel planning.
- [NTSB CEN14CA533](https://openairdocs.org/ntsb/CEN14CA533.md): Aviat Pitts S 2B · Grants, NM · Accident · No injuries · Data collection · Final report · May 31, 2014 · N9YH · Substantial damage
  > The pilot's failure to maintain control of the airplane during landing in gusty wind conditions.
- [NTSB WPR14LA114](https://openairdocs.org/ntsb/WPR14LA114.md): Pitts S2C · Roseburg, OR · Accident · No injuries · Limited investigation · Final report · Jan 26, 2014 · N102ZT · Substantial damage
  > The pilot’s loss of orientation while scanning for airport traffic during the turn from the base to final legs of the traffic pattern, which resulted in his failure to maintain clearance from a tree.
- [NTSB WPR14LA065](https://openairdocs.org/ntsb/WPR14LA065.md): Aviat S 2C · Chandler, AZ · Accident · No injuries · Limited investigation · Final report · Dec 9, 2013 · N44HV · Substantial damage
  > The pilot’s failure to maintain airplane control during landing, which resulted in impact with a runway identifier sign, and the flight instructor’s delayed remedial action to take the controls and initiate a go-around.
- [NTSB WPR14LA025](https://openairdocs.org/ntsb/WPR14LA025.md): Aviat S2 · Livermore, CA · Accident · No injuries · Limited investigation · Final report · Oct 20, 2013 · N15TA · 2 aircraft · Substantial damage
  > Failure of the pilots of the Pitts airplane to maneuver the airplane as necessary to observe the taxi route and avoid the Cessna airplane ahead. Contributing to the accident was the local controller's failure to provide the required warning of traffic ahead…
- [NTSB CEN13LA467](https://openairdocs.org/ntsb/CEN13LA467.md): Christen Industries Pitts S-2B · Dalton, OH · Accident · No injuries · Limited investigation · Final report · Jul 16, 2013 · N519ZB · Substantial damage
  > A total loss of engine power for reasons that could not be determined because postaccident examination of the engine did not reveal any mechanical malfunctions or failures that would have precluded normal operation.
- [NTSB WPR12LA407](https://openairdocs.org/ntsb/WPR12LA407.md): Moore Edward R MXS · Borrego Springs, CA · Accident · 1 fatal · Limited investigation · Final report · Sep 8, 2012 · N21MX · Substantial damage
  > The pilot’s inability to maintain control of the airplane following the loss of aileron and elevator control due to the forward flight control torque tube assembly’s detachment from the forward bearing. Contributing to the accident was the inadequate…
- [NTSB WPR12FA155](https://openairdocs.org/ntsb/WPR12FA155.md): Extra Flugzeugbau EA-300 · Salinas, CA · Accident · 2 fatal · Field investigation · Final report · Apr 8, 2012 · N45R · Substantial damage
  > A loose portable XM-GPS antenna that migrated to the tail section of the airplane and jammed the elevator bell crank. Contributing to the accident was the pilot’s failure to account for the cockpit portable GPS antenna during preflight or postflight…
- [NTSB WPR11LA458](https://openairdocs.org/ntsb/WPR11LA458.md): Aviat Pitts S-2B · Redlands, CA · Accident · Serious injuries · Limited investigation · Final report · Sep 19, 2011 · N46BT · Substantial damage
  > The pilot’s failure to maintain airspeed while maneuvering, which resulted in an aerodynamic stall. Contributing to the accident was the pilot’s impairment from alcohol.
- [NTSB WPR10LA426](https://openairdocs.org/ntsb/WPR10LA426.md): Grob-Werke G 120A · Buckeye, AZ · Accident · No injuries · Limited investigation · Final report · Aug 24, 2010 · N865AF · Substantial damage
  > The student pilot's improper flare, which resulted in a hard landing.
- [NTSB CEN10LA295](https://openairdocs.org/ntsb/CEN10LA295.md): Pitts Aerobatics S-2B · Amarillo, TX · Accident · Minor injuries · Limited investigation · Final report · May 29, 2010 · N260PK · Destroyed
  > The fracture of the fuel pump housing for undetermined reasons.
- [NTSB ERA09LA388](https://openairdocs.org/ntsb/ERA09LA388.md): Christen Industries Pitts S-2B · Oakland, MS · Accident · Serious injuries · Limited investigation · Final report · Jul 8, 2009 · N113DW · Substantial damage
  > A total loss of engine power while maneuvering (after performing aerobatics) for undetermined reasons.
- [NTSB CEN09CA287](https://openairdocs.org/ntsb/CEN09CA287.md): Pitts Aerobatics S-2B · Muskogee, OK · Accident · Serious injuries · Data collection · Final report · May 9, 2009 · N6027V · Substantial damage
  > Inadequate supervision by the certified flight instructor, resulting in a delayed stall recovery attempt.
- [NTSB WPR09LA203](https://openairdocs.org/ntsb/WPR09LA203.md): Extra EA-300 · Santa Barbara, CA · Accident · 1 fatal · Limited investigation · Final report · Apr 20, 2009 · N101PK · Substantial damage
  > The pilot's failure to maintain clearance with terrain for undetermined reasons while performing aerobatics.
- [NTSB ERA09LA188](https://openairdocs.org/ntsb/ERA09LA188.md): MXR Technologies MX2 · Dade City, FL · Accident · 2 fatal · Limited investigation · Final report · Mar 9, 2009 · N262MX · Substantial damage
  > An in-flight loss of aircraft control for an undetermined reason.
- [NTSB DEN08FA100](https://openairdocs.org/ntsb/DEN08FA100.md): Extra Flugzeugbau EA 300/L · Gothenburg, NE · Accident · 1 fatal · Field investigation · Final report · Jun 5, 2008 · N12XT · Destroyed
  > The pilot's failure to maintain aircraft control after encountering instrument meteorological conditions. Contributing to the accident were the pilot's recent usage of Marihuana, his impaired judgement and decision making, and the low visibility weather…
- [NTSB LAX08FA134](https://openairdocs.org/ntsb/LAX08FA134.md): Extra Flugzeugproduktions-GMBH EA-300/L · Queen Creek, AZ · Accident · 2 fatal · Field investigation · Final report · May 9, 2008 · N133EE · Substantial damage
  > The loss of aircraft control due to an undetermined rudder malfunction.
- [NTSB NYC07CA198](https://openairdocs.org/ntsb/NYC07CA198.md): Christen Industries Pitts S-2B · Springfield, TN · Accident · No injuries · Data collection · Final report · Aug 19, 2007 · N487J · Substantial damage
  > The pilot's inadequate compensation for wind conditions during landing.
- [NTSB SEA07CA033](https://openairdocs.org/ntsb/SEA07CA033.md): Extra Flugzeugbau EA 300/L · Boulder City, NV · Accident · Minor injuries · Data collection · Final report · Dec 12, 2006 · N91BH · Substantial damage
  > The pilot-in-command's failure to maintain directional control of the airplane during takeoff.
- [NTSB CHI07CA019](https://openairdocs.org/ntsb/CHI07CA019.md): Aviat S2B · Larimore, ND · Accident · No injuries · Data collection · Final report · Oct 29, 2006 · N149TM · Substantial damage
  > The pilot's failure to maintain proper alignment with the runway which resulted in the airplane nosing over. A factor associated with the accident was the soft terrain encountered.
- [NTSB NYC07FA007](https://openairdocs.org/ntsb/NYC07FA007.md): Extra Flugzeugbau Gmbh 300 · Culpeper, VA · Accident · 1 fatal · Field investigation · Final report · Oct 14, 2006 · N168EX · Destroyed
  > The pilot’s disorientation while performing an aerobatic maneuver, which resulted in the airplane’s inadvertent impact with the ground. Contributing to the accident was the pilot’s overuse of prescription medication.
- [NTSB DEN07FA003](https://openairdocs.org/ntsb/DEN07FA003.md): Extra Flugzeugbau EA 300/L · Tucumcari, NM · Accident · 1 fatal · Field investigation · Final report · Oct 4, 2006 · N300BB · Substantial damage
  > The pilot's failure to maintain aircraft control during aerobatic flight, resulting in an inadvertent accelerated stall. Contributing factors include the low altitude for recovery from the loop and the high density altitude.
- [NTSB LAX06LA262](https://openairdocs.org/ntsb/LAX06LA262.md): Extra Flugzeugbau EA-300 · Mojave, CA · Accident · Serious injuries · Limited investigation · Final report · Aug 16, 2006 · N12DW · Substantial damage
  > the pilot's failure to maintain an adequate airspeed while performing low-level aerobatics that resulted in an inadvertent accelerated stall and in-flight collision with terrain.
- [NTSB DFW06LA154](https://openairdocs.org/ntsb/DFW06LA154.md): McClung Christian Eagle I · Pocahontas, AR · Accident · No injuries · Limited investigation · Final report · Jun 6, 2006 · N181DM · Substantial damage
  > The loss of engine power as a result of a fractured crankshaft due to fatigue. A factor was the engine modifications to increase engine horsepower.
- [NTSB LAX06LA190](https://openairdocs.org/ntsb/LAX06LA190.md): Aviat Pitts S-2B · Antioch, CA · Accident · No injuries · Limited investigation · Final report · Jun 3, 2006 · N117PS · Substantial damage
  > The loss of oil pressure due to metal pieces from the number 5 piston skirt in the oil system, which prevented the oil valve top ball valve from seating. The muddy terrain was a factor.
- [NTSB DFW06LA094](https://openairdocs.org/ntsb/DFW06LA094.md): Aviation Specialties Unlimited Challenger II · Coushatta, LA · Accident · No injuries · Limited investigation · Final report · Apr 4, 2006 · N260HP · Destroyed
  > The loss of control due to premature failure of the elevator's push-pull tube rod-end bearing.
- [NTSB ANC06LA026](https://openairdocs.org/ntsb/ANC06LA026.md): Extra Flugzeugbau 300S · Greenfield, CA · Accident · 1 fatal · Limited investigation · Final report · Mar 21, 2006 · N124X · Substantial damage
  > The pilot's failure to maintain adequate airspeed during the base leg to final approach phase of a VFR landing pattern, which resulted in an inadvertent stall and an uncontrolled descent. A factor contributing to the accident was the inadvertent stall/mush.

Next page: https://openairdocs.org/ntsb.md?engine=41568&status=final&page=2

## 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."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 ('41568'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41568&status=final

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