# NTSB MIA07IA067: Cessna 172S, N57FH, Moore Haven, FL, March 26, 2007

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Incident investigation · Final report
- Date: March 26, 2007, 18:48 local (22:48 UTC)
- Place: Moore Haven, FL
- Coordinates: 26.9227777777778, -81.1886111111111
- Nearby events: https://openairdocs.org/map.md?lat=26.9228&lon=-81.1886&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report September 26, 2008
- Report: Approved by Office Director
- Parties: FAA / FSDO
- NTSB case key (mKey): 65536
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA07IA067
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/65536/pdf
- Page: https://openairdocs.org/ntsb/MIA07IA067

## Probable cause

A loss of engine power due to foreign object damage to the oil pump.

## 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
  - exhaust system,turbocharger - failure,partial
  - lubricating system,oil scavenge pump - foreign object damage (cause)
  - lubricating system - starvation/exhaustion
- Forced landing, emergency descent/landing
- Forced landing, emergency landing
  - terrain condition - open field

## Analysis

Thirty five minutes into the flight, the airplane's engine lost power. A forced landing in an open field was performed. The airplane's underside was covered with engine oil. The engine examination at the manufacturer's facility revealed a section of the thrust washer from the turbocharger axial bearing separated and lodged in the dual-stage-pump. This increased oil pressure and eventually the engine oil supply vented overboard out of the oil breather.

## Factual narrative

On March 26, 2007, about 1848 eastern daylight time, a Cessna 172S, N57FH, with a Thielert TAB 125 diesel engine, registered to Whome & Shortys Inc. and operated by Epic Aviation LLC, experienced a loss of engine power and landed in an open field in Moore Haven, Florida. Visual meteorological conditions prevailed at the time and no flight plan was filed for the 14 Code of Federal Regulation Part 91 personal flight. The pilot and passenger were not injured; the airplane was not damaged. The flight had originated from the Page Field Airport (FMY), Fort Myers, Florida, earlier that day, about 1806.

About 35 minutes into the flight, the pilot observed a propeller over speed condition. Shortly after, propeller control and engine power was lost. He restarted the engine momentarily but it quickly lost power again. The pilot made a force landing in an open field. The propeller remained windmilling throughout the descent. Once on the ground, they communicated with authorities of the situation. The underside of the airplane was covered with engine oil.

The engine was recovered and sent to Thielert Aircraft Engine, Lichtenstein, Germany, for a teardown examination with German Federal Bureau of Aircraft Accident Investigation (BFU) oversight. The examination revealed that a part of the thrust washer from the turbocharger axial bearing separated and became lodged in the dual-stage-pump. This prevented oil from returning to the oil pan from the turbocharger, increased oil pressure, and ultimately resulted in the venting of oil overboard from the breather.

## Aircraft

- Registration: [N57FH](https://openairdocs.org/deregistered/N57FH-2008-04-30), registration cancelled 2008-04-30, S/N 172S8898, built 2001 (OpenAirDocs)
- Reported make and model: Cessna 172S
- Registry model: [Cessna 172S](https://openairdocs.org/model/cessna-172s) (registry code 2072439) (OpenAirDocs)
- Registry engine: [Lycoming I0360 series](https://openairdocs.org/engine/lycoming-i0360-series) (registry code 41515, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 172S8898
- Airframe hours: 3031
- Engines: Thielert 125-01 135 horsepower reciprocating
- Damage: No damage
- Flight: Personal, Part 91
- Operator: Epic Aviation LLC
- Registered owner: Whome & Shortys Inc.
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, March 1, 2007, 30 hours before
- Departed: FMY, Fort Myers, FL
- Destination: EVB, New Smyrna, FL

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 22; injuries: none; private; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 2, without waivers/limitations; last flight review May 1, 2005; seat: left; flight hours: 200 total, 190 in this make and model, 32 in the last 90 days, 25 in the last 30 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 80° at 10 knots, gusting 15
- Visibility: 10 statute miles
- Lowest ceiling: none
- Temperature: 81 °F, dew point 63 °F
- Altimeter: 30.14 inHg
- Observed at: OBE, 50 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 20070326011459I](https://openairdocs.org/incident/20070326011459I), Mar 26, 2007: Cessna 172S, Moore Haven, FL, No damage. (-23) On March 26, 2007, on about 1856 eastern standard time, a Cessna 172S aircraft, N57FH registered to whome & shortys inc. operating as a 14 CFR part 91…

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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