Aviation Accident Summaries

Aviation Accident Summary CEN11CA071

Michigan, ND, USA

Aircraft #1

N554Y

GRUMMAN G-164

Analysis

The pilot stated that, during an attempted takeoff of an aerial application flight, the engine did not appear to be producing as much power as he anticipated. When the airplane became airborne, about 300 feet before the departure end of the runway, it experienced a total loss of engine power. The pilot lowered the nose and the airplane impacted the runway's overrun area and nosed over; it came to rest inverted about 300 feet past the departure end of the runway. A postaccident examination by Federal Aviation Administration inspectors revealed that they were unable to obtain compression in two engine cylinders. They additionally found that a magneto was inoperative; no other anomalies were found.

Factual Information

The pilot stated that during the attempted takeoff of an aerial application flight, the engine power seemed low. He continued the takeoff and then realized that the airplane would not remain airborne so he pulled the dump handle releasing about 40 gallons of the 150 gallon load. When the airplane became airborne, about 300 feet before the departure end of the runway, it experienced a total loss of engine power. The pilot lowered the nose and the airplane impacted the runway's overrun area and nosing over. It came to rest inverted about 300 feet past the departure end of the runway. The airplane sustained substantial damage, which included structural damage to both wings and the fuselage. The pilot was uninjured. Examination of the airplane by the Federal Aviation Administration revealed two cylinders that were unable to produce compression and an inoperative magneto. No other anomalies were found.

Probable Cause and Findings

The pilot's failure to abort the takeoff roll following a noticeable loss of engine power due to low engine compression and a magneto failure.

 

Source: NTSB Aviation Accident Database

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