# Accident 20060124000549A: Cessna T210N, Mariposa, CA, January 24, 2006

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: January 24, 2006, 11:40 local time
- Place: Mariposa, CA
- Damage: Substantial damage
- Phase of flight: Fcd/Prec Ldg From Cruise
- Operating rules: General operating rules (Part 91)
- Location: 37.3289° N, 120.0578° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=37.3289&lon=-120.0578&mi=10
- Aircraft: N4791C, a cancelled registration (https://openairdocs.org/deregistered/N4791C-2006-04-04) (OpenAirDocs)
- Registry model: Cessna T210N (registry code 2073456, https://openairdocs.org/model/cessna-t210n) (OpenAirDocs)
- Registry engine: Continental TSIO-520 series (registry code 17040, https://openairdocs.org/engine/continental-tsio-520-series) (OpenAirDocs)
- Reported make and model: CESSNA T210N
- Reported engine: CONT TSIO520R
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 2,100 total, 1,000 in this make and model, 30 in the last 90 days
- NTSB investigation: [NTSB LAX06LA094](https://openairdocs.org/ntsb/LAX06LA094) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20060124000549A

## Narrative

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

(-23) ON JANUARY 24, 2006, N4791C A CESSNA T210N S/N 2106327 DEPARTED VISALIA MUNI (VIS) AIRPORT AT 0900 WITH THE DESTINATION OF SACRAMENTO EXC (SAC). AT 0945 N4791C ENCOUNTERED AN ENGINE VIBRATION WITH FLUCTUATION ON THE ENGINE CONDITION INSTRUMENTS EGT, CHT, AND OIL LEAKAGE SHOWN ON THE WINDSHIELD. THE AIRCRAFT WAS AT 6500 FT AGL 12 MILES SOUTH OF MARIPOSA CA WHEN THE PILOT DECLARED THE EMERGENCY. N4791C WAS SUBSTANTIALLY DAMAGED DURING THE ATTEMPT TO LAND. IMPACTING AN OAK TREE WITH THE LEFT WING OF THE AIRCRAFT VEERING TO THE LEFT, THE AIRCRAFT IMPACTED A STOCK FENCE, THE RIGHT WING AND ENGINE IMPACTED A LARGE OUT CROP OF ROCK. THE ENGINE WAS SEPARATED FROM THE AIRFRAME AND CAME TO REST 25' FROM THE MAIN AIRFRAME. THE REMAINING AIRFRAME AND WINGS REMAINED MOSTLY INTACT, CAME TO REST 50' FROM THE LEFT SIDE OF THE ROAD. THE PILOT HAD A SMALL INJURY TO HIS HEAD WITH NO INJURIES TO THE PASSENGER.

## 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 LAX06LA094](https://openairdocs.org/ntsb/LAX06LA094), Jan 24, 2006: Cessna T210N (N4791C), Mariposa, CA, substantial damage. Probable cause: The failure of the maintenance personnel to follow the procedures in the TCM maintenance manual and adequately torque the engine through-bolts, which led to the separation of the No. 6 cylinder and…

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.

---
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.