# NTSB CHI85LA173: Cessna 172M, N12124, Macedonia, OH, April 22, 1985

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: April 22, 1985, 14:10 local (19:10 UTC)
- Place: Macedonia, OH
- Coordinates: 41.309181, -81.490386 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=41.3092&lon=-81.4904&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 13048
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI85LA173
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/13048/pdf
- Page: https://openairdocs.org/ntsb/CHI85LA173

## Sequence of events

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

- Loss of engine power(partial) - mech failure/malf, cruise
  - engine assembly,valve,intake - failure,total (cause)
- Forced landing, descent - emergency
- Abrupt maneuver, landing - roll
  - terrain condition - uphill (contributing factor)
  - object - residence (contributing factor)
  - remedial action - initiated, pilot in command
  - ground loop/swerve - intentional, pilot in command
- Nose gear collapsed, landing - roll
  - landing gear,nose gear - overload
- Nose over, landing - roll

## Analysis

WHILE CRUISING AT 2500 FT MSL, THE ENG DEVELOPED A SEVERE VIBRATION ACCOMPANIED BY A PARTIAL PWR LOSS. THE PLT MADE A FORCED LANDING UPHILL ON AN INCLINED FIELD. HE INITIATED A SHARP LEFT TURN TO AVOID A HOUSE. AT THAT TIME, THE NOSE GEARCOLLAPSED & THE ACFT NOSED OVER. AN EXAM OF THE ENG REVEALED THAT THE #3 EXHAUST VALVE, PN 75068, HAD FAILED.

## Aircraft

- Registration: [N12124](https://openairdocs.org/deregistered/N12124-2012-06-12), registration cancelled 2012-06-12, S/N 17261823, built 1973 (OpenAirDocs)
- Reported make and model: CESSNA 172M
- Registry model: [Cessna 172M](https://openairdocs.org/model/cessna-172m) (registry code 2072418) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 17261823
- Airframe hours: 3487
- Engines: LYCOMING O-320-E2D 150 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Robert H. Sturdevant
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, June 25, 1984, 115 hours before
- Departed: 800H, WARREN, OH
- Destination: 1G1, ELYRIA, OH

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 41; student; medical: class 3, valid medical--no waivers/lim.; seat: left; flight hours: 102 total, 8 in this make and model, 56 as pilot in command, 10 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 220° at 8 knots
- Visibility: 15 statute miles
- Lowest ceiling: 11,000 ft broken
- Temperature: 79 °F, dew point 54 °F
- Altimeter: 30.00 inHg
- Observed at: CLE, 17 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).

- [Accident 19850422019979A](https://openairdocs.org/incident/19850422019979A), Apr 22, 1985: Cessna 172M, Macedonia, OH, Substantial damage. Aircraft nosed over after forced landing in a field. Number 3 exhaust valve failed.

## Other investigations on N12124 (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 CHI78FEI10](https://openairdocs.org/ntsb/CHI78FEI10), Feb 4, 1978: Cessna 172 (N12124), Norwalk, OH, 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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