# NTSB NYC87LA076: Cessna 172M, Marienville, PA, February 5, 1987

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: February 5, 1987, 10:30 local (15:30 UTC)
- Place: Marienville, PA
- Location: 41.4688° N, 79.1181° W: Placed by OpenAirDocs: center of Marienville, PA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.4688&lon=-79.1181&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 1 uninjured
- Status: Completed, report April 25, 1988
- Report: Approved by Office Director
- NTSB case key (mKey): 30595
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC87LA076
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/30595/pdf
- Page: https://openairdocs.org/ntsb/NYC87LA076

## 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, cruise - normal
  - engine assembly,camshaft - worn (cause)
  - engine assembly,connecting rod - failure,total (cause)
  - fluid,oil - contamination (cause)
- Forced landing, descent - emergency
- In flight collision with terrain/water, landing - roll
  - light condition - daylight
  - terrain condition - ditch

## Analysis

THE CESSNA 172 EXPERIENCED A TOTAL LOSS OF POWER WHILE CRUISING AT 4000 FT ON AN IFR FLIGHT PLAN. THE PILOT MADE A LANDING ON A ROAD AND CLIPPED A ROAD SIGN AFTER TOUCHDOWN, THE AIRCRAFT SWERVED INTO A DITCH AND RECEIVED SUSBTANTIAL DAMAGE. THE TWO OCCUPANTS WERE NOT INJURED. EXAMINATION OF THE AIRCRAFT ENGINE SHOWED EXTENSIVE METAL CONTAMINATION AND A FAILED CONNECTING ROD ON THE NUMBER 4 CYLINDER. IN ADDITION THE CAMSHAFT AND LIFTERS SHOWED EXTENSIVE WEAR.

## Aircraft

- Registration: CGCGP (not matched to a registry record)
- Reported make and model: CESSNA 172M
- Category: Airplane
- Serial number: 17266960
- Airframe hours: 3312
- Engines: LYCOMING O-320-E2D 150 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Fred Thompson
- Registered owner: Fred Thompson
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, December 31, 1986, 29 hours before
- Departed: BRAMPTON, CA
- Destination: EKN, ELKINS, WV
- Flight plan: IFR

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 27; flight instructor, commercial; airplane ratings: multi-engine land, single-engine sea, single-engine land; instrument ratings: airplane; medical: class 1, valid medical--no waivers/lim.; seat: left; flight hours: 1,108 total, 304 in this make and model, 891 as pilot in command, 105 in the last 90 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 280° at 13 knots
- Visibility: 15 statute miles
- Lowest ceiling: none
- Temperature: 25 °F, dew point 16 °F
- Altimeter: 30.00 inHg

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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