# Accident 20110814017469A: Beech B36TC, Lemoore, CA, August 14, 2011

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: August 14, 2011, 16:30 local time
- Place: Lemoore, CA
- Airport: Nas Lemoore
- Damage: Substantial damage
- Phase of flight: Cruise/Level Flight
- Operating rules: General operating rules (Part 91)
- Location: 36.2897° N, 119.9375° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=36.2897&lon=-119.9375&mi=10
- Aircraft: N6465X, a cancelled registration (https://openairdocs.org/deregistered/N6465X-2013-04-17) (OpenAirDocs)
- Registry model: Beech B36TC (registry code 1151609, https://openairdocs.org/model/beech-b36tc) (OpenAirDocs)
- Registry engine: Continental TSIO-520 series (registry code 17040, https://openairdocs.org/engine/continental-tsio-520-series) (OpenAirDocs)
- Reported make and model: BEECH B36TC
- Reported engine: CONT MOTOR TSIO-520 SER
- People aboard: 3
- Fatal injuries: 0
- Other injuries: 0
- NTSB investigation: [NTSB WPR11LA380](https://openairdocs.org/ntsb/WPR11LA380) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20110814017469A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

WHILE ENROUTE FROM BERMUDA DUNES, CA.,(UDD) TO BYRON, CA., (C83) AT A CRUISING ALTITUDE OF 10,500 FT AND APPROXIMATELY 15 MILES SOUTH OF NAVAL AIR STATION LEMORE (NLC), THE PILOT NOTED A DECREASE OF MANIFOLD PRESSURE WHICH WAS IMMEDIATELY FOLLOWED BY A CATASTROPHIC ENGINE FAILURE.  THE PILOT, WHO WAS USING NLC ATC FOR FLIGHT-FOLLOWING, DECLARED EMERGENCY AND WAS VECTORED TO RWY 32L AT NLC.  DUE TO THE INSUFFICIENT GUIDE DISTANCE, THE PILOT EXECUTED A GEAR-UP LANDING IN A PLOWED FARM FIELD APPOX 300 YARD SOUTH OF RWY 32L AT NLC.  THE PILOT AND 2 PASSENGERS WERE UNINJURED  EXAMINATION OF THE ENGINE REVEALED THE #4 CYLINDER AND PISTON HAD SEPARATED FROM THE ENGINE AND HAD EXITED THE ENGINE COMPARTMENT.  THE MISSING CYLINDER AND PISTON COULD NOT BE LOCATED.  SUBTANTIAL DAMAGE OCCURRED TO THE FIREWALL, BELLY AND WINGS.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB WPR11LA380](https://openairdocs.org/ntsb/WPR11LA380), Aug 14, 2011: Beech B36TC (N6465X), Lemoore, CA, substantial damage. Probable cause: A loss of engine power during cruise flight due to maintenance personnel's failure to adequately torque the number 4 cylinder retaining nuts, which resulted in the in-flight separation of the…

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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