# NTSB investigations: Lycoming IO-540-C4B5

A list on [Lycoming IO-540-C4B5](https://openairdocs.org/engine/lycoming-io-540-c4b5.md).

Matched to the registry by N-number and event date, newest first.

- [NTSB ERA26LA302](https://openairdocs.org/ntsb/ERA26LA302.md): Frank J Salomone RV10 · Stevensville, MD · Accident · No injuries · Class 4 · Limited · Investigation open · Aug 11, 2026 · N100UK · Substantial damage
- [NTSB WPR26LA185](https://openairdocs.org/ntsb/WPR26LA185.md): Craig Ellison Bearhawk Four · Sandpoint, ID · Accident · No injuries · Class 3 · Limited · Preliminary report · May 13, 2026 · N953CN · Substantial damage
  > On May 12, 2026, about 1940 Pacific daylight time (PDT), an experimental amateur-built Bearhawk Four airplane, N953CN, was substantially damaged when it was involved in an accident at Olmstead Sky Ranch in Sandpoint, Idaho. The pilot was uninjured, and the…
- [NTSB ERA24LA275](https://openairdocs.org/ntsb/ERA24LA275.md): Piper PA23 · Montgomery, AL · Accident · No injuries · Class 4 · Limited · Final report · Jun 25, 2024 · N14175 · Substantial damage
  > The failure of the nose landing gear actuator to maintain a fully down and locked position.
- [NTSB WPR24LA081](https://openairdocs.org/ntsb/WPR24LA081.md): Christopher Randall Raptor Junior 540 · Camarillo, CA · Accident · Serious injuries · Class 3 · Limited · Final report · Jan 30, 2024 · N906CR · Substantial damage
  > A total loss of engine power due to the loss of power to the electronic fuel injection and ignition system, which was the result of a loose connection between a common ground feed-through stud and the ground bus.
- [NTSB CEN23LA323](https://openairdocs.org/ntsb/CEN23LA323.md): Vans RV-10 · Oshkosh, WI · Accident · No injuries · Class 4 · Limited · Final report · Jul 20, 2023 · N917CM · Substantial damage
  > The pilot’s improper landing flare which resulted in a hard landing.
- [NTSB CEN21LA096](https://openairdocs.org/ntsb/CEN21LA096.md): Express CT · Grand Prairie, TX · Accident · 2 fatal · Class 3 · Limited · Final report · Dec 21, 2020 · N772BM · Destroyed
  > The pilot’s loss of airplane control during the departure turn, which resulted in an aerodynamic stall and impact with terrain.
- [NTSB CEN20LA419](https://openairdocs.org/ntsb/CEN20LA419.md): Team Rockets F1 · San Marcos, TX · Accident · Serious injuries · Class 3 · Limited · Final report · Sep 25, 2020 · N540LK · 2 aircraft · Destroyed
  > The F1 pilot’s failure to see and avoid the lower altitude Cessna while on final approach for landing. Contributing to the accident were the restrictions to pilot visibility inherent to low- and high-wing airplanes, and both pilots’ failure to recognize the…
- [NTSB GAA19CA180](https://openairdocs.org/ntsb/GAA19CA180.md): Piper PA23 · Tampa, FL · Accident · No injuries · Data collection · Final report · Mar 24, 2019 · N976AZ · Substantial damage
  > An in-flight collision with a bird during the approach, which resulted in damage to the vertical stabilizer.
- [NTSB CEN15FA321](https://openairdocs.org/ntsb/CEN15FA321.md): Christensen Steve Wheeler Express · Holland, MN · Accident · 3 fatal · Field investigation · Final report · Jul 28, 2015 · N3FC · Substantial damage
  > The pilot’s failure to maintain adequate airspeed during a high-pitch, steep right turn, which resulted in the exceedance of the airplane’s critical angle-of-attack and a subsequent aerodynamic stall, loss of control, and impact with terrain. Contributing to…
- [NTSB ERA14LA378](https://openairdocs.org/ntsb/ERA14LA378.md): Birchler Boyd Eagle 540 · Standish, ME · Accident · Minor injuries · Limited investigation · Final report · Aug 10, 2014 · N34BJ · Substantial damage
  > The total loss of engine power due to fuel starvation for reasons that could not be determined because postaccident examination of the engine did not reveal any anomalies that would have precluded normal operation.
- [NTSB WPR13CA276](https://openairdocs.org/ntsb/WPR13CA276.md): Gary W Bettis Harmon Rocket II · South Lake Tahoe, CA · Accident · No injuries · Data collection · Final report · Jun 17, 2013 · N91GB · Substantial damage
  > The pilot's failure to maintain directional control during landing with a crosswind.
- [NTSB WPR13LA093](https://openairdocs.org/ntsb/WPR13LA093.md): Kaufmann Vans RV-10 · Las Vegas, NV · Accident · No injuries · Limited investigation · Final report · Dec 31, 2012 · N104BK · Substantial damage
  > A missing elevator control assembly attachment bolt, which rendered the elevator control system ineffective and resulted in a loss of pitch control, and the pilot’s incorrect installation of the elevator control assembly.
- [NTSB CEN12LA538](https://openairdocs.org/ntsb/CEN12LA538.md): Cantlon Starduster Too SA300 · Galion, OH · Accident · No injuries · Limited investigation · Final report · Aug 7, 2012 · N111LC · Substantial damage
  > The pilot's failure to maintain directional control and a proper pitch attitude and airspeed while performing an aborted landing.
- [NTSB CEN12CA360](https://openairdocs.org/ntsb/CEN12CA360.md): Birchler Boyd Eagle 540 · Kokomo, IN · Accident · No injuries · Data collection · Final report · Jun 9, 2012 · N34BJ · Substantial damage
  > The pilot's failure to maintain adequate clearance from the trees during a low-level aerobatic maneuver.
- [NTSB CEN11LA669](https://openairdocs.org/ntsb/CEN11LA669.md): Owen Vans RV-10 · Marietta, OH · Accident · Serious injuries · Limited investigation · Final report · Sep 27, 2011 · N499RV · Destroyed
  > The in-flight engine fire and loss of engine power due to an improperly installed fuel injector nozzle during a recent engine overhaul.
- [NTSB NYC08FA157](https://openairdocs.org/ntsb/NYC08FA157.md): Cartwright H Jr/Cottrell M RV-10 · Seale, AL · Accident · 2 fatal · Field investigation · Final report · Apr 7, 2008 · N210HM · Destroyed
  > The pilot-in-command's in-flight loss of control due to spatial disorientation. Contributing to the accident were the weather conditions and the pilot-in-command's lack of flight experience in the accident airplane.

## 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_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c."mKey" = a.case_mkey
WHERE a.engine_model_code IN ('41651')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/engine/lycoming-io-540-c4b5/ntsb

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