Aviation Accident Summaries

Aviation Accident Summary CHI90DEE02

LANSING ARPT, IL, USA

Aircraft #1

N533T

EDWARD AVID FLYER C

Analysis

A HOMEBUILT AIRPLANE ON ITS INITIAL FLIGHT EXPERIENCED ENGINE STOPPAGE DURING DEPARTURE FROM THE FIELD. THE PRIVATE PILOT STATES HE RESTARTED THE ENGINE AND RETURNED TO HOME FIELD. HE COMMENCED AN APPROACH WITH ANOTHER AIRPLANE ON THE RUNWAY FOR TAKEOFF. HE WAS MAKING A TURN FOR DISPLACEMENT WHEN THE ENGINE QUIT AGAIN. THE OTHER AIRPLANE ROLLED AND THE ACCIDENT PILOT RESUMED HIS APPROACH. THE ACCIDENT AIRPLANE LANDED IN A LEFT BANK, ANGLED OFF THE RUNWAY AND STRUCK A DITCH. EXAMINATION OF THE ENGINE SHOWED THE TWIN CARBURETORS MODIFIED TO A CONFIGURATION AND JETTING NOT APPROVED BY THE ENGINE MANUFACTURER AND FOR WHICH NO TEST OR ENGINEERING DATA WAS AVAILABLE.

Probable Cause and Findings

PILOT'S FAILURE TO ATTAIN PROPER RUNWAY ALIGNMENT PRIOR TO TOUCHDOWN. A FACTOR IN THE ACCIDENT WAS THE BUILDER'S IMPROPER MODIFICATION OF THE CARBURETORS.

 

Source: NTSB Aviation Accident Database

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