# NTSB CHI86FA038: Cessna T210M, N1982M, Highland, MI, December 4, 1985

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Field investigation · Final report
- Date: December 4, 1985, 14:00 local (19:00 UTC)
- Place: Highland, MI
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 13235
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI86FA038
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/13235/pdf
- Page: https://openairdocs.org/ntsb/CHI86FA038

## 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, descent - normal
  - engine assembly,other - worn (cause)
  - maintenance,overhaul - improper, other maintenance personnel (cause)
  - engine assembly,valve,intake - failure,total (contributing factor)
- Forced landing, descent - emergency
- Gear collapsed, landing - flare/touchdown
  - terrain condition - rough/uneven

## Analysis

FIFTEEN MINUTES AFTER TAKEOFF AN ENG FAILURE OCCURRED. THE PLT FORCE LANDED THE ACFT IN A FLD BUT THE ROUGHNESS OF THE LANDING SURFACE RESULTED IN THE NOSE AND RIGHT MAIN GEAR COLLAPSED. EXAMINATION DISCLOSED THE EXHAUST VAVLE HAD FAILED IN THE #4 CYLINDER. THE VAVLE GUIDES WERE FOUND TO BE EXTREMELY WORN IN ALL THE CYLINDERS. ACCORDING TO THE ENG LOGBOOK ALL THE VALVE GUIDES WERE REPLACED DURING A TOP OVERHAUL THAT WAS ACCOMPLISHED 137 ENG OPERATING HRS PRIOR TO THE ACCIDENT.

## Aircraft

- Registration: [N1982M](https://openairdocs.org/deregistered/N1982M-2013-07-30), registration cancelled 2013-07-30, S/N 21061970, built 1977 (OpenAirDocs)
- Reported make and model: CESSNA T210M
- Registry model: [Cessna T210M](https://openairdocs.org/model/cessna-t210m) (registry code 2073451) (OpenAirDocs)
- Registry engine: [Continental TSIO-520 series](https://openairdocs.org/engine/continental-tsio-520-series) (registry code 17040, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 21061970
- Airframe hours: 1722
- Engines: CONTINENTAL TSIO-520-R1A 310 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Thomas J. O'Connor
- Airworthiness certificate: Standard, Normal
- Last inspection: Unknown, February 7, 1985, 137 hours before
- Departed: 9G2, LINDEN, MI
- Destination: PTK, PONTIAC, MI

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 44; private; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 3, valid medical--no waivers/lim.; seat: left; flight hours: 750 total, 500 in this make and model, 600 as pilot in command, 100 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 180° at 8 knots
- Visibility: 12 statute miles
- Lowest ceiling: none
- Temperature: 25 °F
- Altimeter: 30.00 inHg

## FAA reports on this event (1)

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

- [Accident 19851204059549A](https://openairdocs.org/incident/19851204059549A), Dec 4, 1985: Cessna T210M, Highland, MI, Substantial damage. Forced landing after power loss en route. Gear and engine mounts failed in rough field. Exhaust valve failed.

## Other investigations on N1982M (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 SEA83LA008](https://openairdocs.org/ntsb/SEA83LA008), Oct 18, 1982: Cessna T210M (N1982M), Ashton, ID, substantial damage

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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