Aviation Accident Summaries

Aviation Accident Summary ATL94LA175

LANCASTER, SC, USA

Aircraft #1

N5113S

CESSNA 182

Analysis

ACCORDING TO THE PILOT, HE LANDED AT HIS PRIVATE AIRSTRIP ABOUT FIVE MINUTES BEFORE THE ATTEMPTED TAKEOFF. HE PICKED UP TWO PASSENGERS AND COMPLETED ANOTHER ENGINE RUNUP CHECK. AS THE AIRPLANE ACCELERATED DURING THE TAKEOFF ROLL, THE PILOT NOTICED THAT TAKEOFF RPM WAS NOT BEING DEVELOPED. THE PILOT ABORTED THE TAKEOFF ATTEMPT ABOUT 1000 FEET INTO THE TAKEOFF ROLL. THE AIRPLANE ROLLED OFF THE DEPARTURE END OF THE RUNWAY AND NOSED OVER. EXAMINATION OF THE ENGINE FAILED TO DISCLOSE A MECHANICAL PROBLEM; THE ENGINE OPERATED NORMALLY THROUGH ALL POWER RANGES DURING THE POST-ACCIDENT ENGINE RUN. A REVIEW OF WEATHER INFORMATION DISCLOSED THAT CONDITIONS WERE FAVORABLE FOR THE FORMATION OF CARBURETOR ICE.

Factual Information

On September 11, 1994, at 1630 eastern daylight time, a Cessna 182, N5113S, rolled off the departure end of a private airstrip in Lancaster, South Carolina. The personal flight operated under the provisions of 14 CFR Part 91, with no flight plan filed. Visual weather conditions prevailed at the time of the accident. The aircraft damage was initially believed to have been minor, and no notification was made. Several days after the accident, major airframe damage was discovered, and the pilot notified the National Transportation Safety Board in Atlanta, Georgia, on September 23, 1994. The pilot and passenger were not injured. The accident occurred during the initial takeoff attempt from the pilot's private airstrip in Lancaster. According to the pilot, he landed at his private airstrip and picked up two passengers. During the five minutes on the ground, the pilot completed another before takeoff check that included rechecking the carburetor heat; a normal rpm change was observed. As the airplane accelerated during the takeoff roll, the pilot noticed that the engine was not developing takeoff rpm. The pilot elected to abort the takeoff 1000 feet into the takeoff roll. The airplane rolled off the departure end of the private paved strip and nosed over. During the post accident examination, no mechanical problems were discovered with the airplane or engine. The engine operated normally through all power ranges during the functional test run. A review of the weather information included in this report disclosed that, conditions were favorable for the formation of carburetor ice (see attached icing probability curves).

Probable Cause and Findings

THE PILOT'S DELAY IN TAKING REMEDIAL ACTION WHEN THE ENGINE FAILED TO DEVELOP TAKEOFF RPM. A FACTOR WAS CONDITIONS FAVORABLE FOR THE FORMATION OF CARBURETOR ICE.

 

Source: NTSB Aviation Accident Database

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