# NTSB FTW88IA078: Cessna T210M, N761RP, Grosebeck, TX, February 28, 1988

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Incident investigation · Final report
- Date: February 28, 1988, 10:30 local (16:30 UTC)
- Place: Grosebeck, TX
- Coordinates: 31.519121, -96.530921 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=31.5191&lon=-96.5309&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report January 25, 1990
- Report: Approved by Office Director
- NTSB case key (mKey): 22570
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW88IA078
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/22570/pdf
- Page: https://openairdocs.org/ntsb/FTW88IA078

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Loss of engine power(total) - mech failure/malf, maneuvering - holding(ifr)
  - engine assembly,valve,exhaust - separation (cause)
- Forced landing, landing - flare/touchdown
  - terrain condition - none suitable (contributing factor)
  - wheels up landing - intentional

## Analysis

THE PILOT MADE A FORCED LANDING FOLLOWING ENGINE FAILURE. TEARDOWN EXAMINATION SHOWED THE NO. 4 EXHAUST VALVE HEAD HAD SEPARATED FROM THE STEM. METAL DEBRIS WAS FOUND IN THE OIL SUMP. THE NO. 1 CONNECTING ROD WAS SEPARATED FROM THE CRANKSHAFT. THERE WAS EVIDENCE OF IMPROPER LUBRICATION IN THE VICINITY OF THE NO. 1 CONNECTING ROD CRANKSHAFT JOURNAL. THE OIL PUMP WAS INTACT AND AN ADEQUATE SUPPLY OF LUBRICATING OIL WAS AVAILABLE. BEFORE GOING THROUGH THE PISTON TOP, THE SEPARATED EXHAUST VALVE HEAD MADE NUMEROUS DENTS AND ABRASIONS ON THE PISTON HEAD AND CYLINDER DOME. THE RESULTANT SANDBLASTING EFFECT OBLITERATED THE FRACTURE SURFACES.

## Aircraft

- Registration: [N761RP](https://openairdocs.org/deregistered/N761RP-1991-09-03), registration cancelled 1991-09-03, S/N 21062460 (OpenAirDocs)
- Reported make and model: CESSNA T210M
- Registry model: [Cessna T210M](https://openairdocs.org/model/cessna-t210m) (registry code 2073451) (OpenAirDocs)
- Category: Airplane
- Serial number: 21062460
- Airframe hours: 2124
- Engines: CONTINENTAL TSIO-520-M 310 horsepower reciprocating
- Damage: Minor damage
- Flight: Personal, Part 91
- Operator: Gillen, Billy L.
- Registered owner: B.L. Gillen & M. Baker
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, June 19, 1987, 181 hours before
- Departed: T69, SINTON, TX
- Destination: CRS, CIRSICANA, TX

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 40; private; airplane ratings: single-engine land; medical: class 3, valid medical--no waivers/lim.; seat: left; flight hours: 260 total, 16 in this make and model, 205 as pilot in command, 38 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 340° at 7 knots
- Visibility: 12 statute miles
- Lowest ceiling: none
- Temperature: 61 °F, dew point 37 °F
- Altimeter: 30.00 inHg
- Observed at: ACFT, 45 nm away

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Incident 19880228043739I](https://openairdocs.org/incident/19880228043739I), Feb 28, 1988: Cessna T210M, Groesbeck, TX, Minor damage. Engine failed at cruise. Crashed into an open pasture. Found engine had failed internally.

## Other investigations on N761RP (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 DEN89LA206](https://openairdocs.org/ntsb/DEN89LA206), Sep 4, 1989: Cessna T210M (N761RP), Rangely, CO, substantial damage. Probable cause: FORCED LANDING IN UNSUITABLE TERRAIN AS A RESULT OF AN ENGINE CRANKSHAFT FAILURE.

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.

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