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N6117R accident description

New Jersey map... New Jersey list
Crash location 40.875000°N, 74.281111°W
Reported location is a long distance from the NTSB's reported nearest city. This often means that the location has a typo, or is incorrect.
Nearest city Rockaway, NJ
40.950098°N, 74.466266°W
11.0 miles away
Tail number N6117R
Accident date 25 Aug 2009
Aircraft type Cessna 210(AF) Cessna 172RG(NTSB)
Additional details: White/Black/Red

NTSB Factual Report

On August 25, 2009, at 1215 eastern daylight time, a Cessna 172RG, N6117R, crashed while making a force landing following loss of engine power in Rockaway, New Jersey. The airplane incurred substantial damage and the certified commercial pilot flight instructor (CFI) sustained minor injuries. The student pilot was not injured. Visual meteorological conditions prevailed and no flight plan was filed. The airplane was operated by Air Fleet Training Systems, under the provisions of Title 14 Code of Federal Regulations Part 91, as an instructional flight.

The CFI stated, that during pre-flight inspection of the airplane he added one quart of oil to the engine, which had been at 5.7 quarts. He and the student pilot then departed from the Green Lake Airport (4N1), West Milford, New Jersey, and were about an hour into the flight when he noticed the left main wheel was wet. While trouble shooting the situation, he noticed that the engine oil pressure gauge was pointing to the red area, indicating low oil pressure. The CFI took over control of the airplane and retracted the landing gear to improve performance. He turned the airplane directly to their home base at the Essex County Airport (CDW), Caldwell, New Jersey and contacted the controller at CDW to advise of the situation. Minutes after the communication, the engine came “to a halt with the propeller stopping.” The airplane was about 1 mile east of the Rockaway Towne Center Mall, and the CFI elected to land in an empty section of the mall’s parking lot. The airplane’s nose landing gear made contact with a curb, which separated the gear, and the right wing impacted a tree before coming to a full stop. An examination of the wreckage revealed the fluid on the wheel to be oil leaking from the engine, which covered the bottom and empennage section of the airplane.

The airplane was powered by a Lycoming O-360-F1A6 engine. The engine had a total time of 3,949 hours and 238 hours since its last overhaul, which occurred on September 28, 2006. A teardown examination of the engine was conducted with National Transportation Safety Board oversight. Several components of the #3 and #4 pistons showed signs of overheating and oil starvation, including the rod arms, bearing rods, and crankshaft attaching points. The #3 cylinder piston rod was found separated from the crankshaft with its crankshaft bearing missing and the lower section of the bearing rod destroyed. The #4 rod bearing showed initial indications of failure due to overheating. There was no internal or external evidence with the engine to account for the oil leak. The engine oil system was examined and found to be unremarkable.

NTSB Probable Cause

A total loss of engine power due to oil starvation for undetermined reasons.

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