Aviation Accident Summary SEA86FA231

PROSSER, WA, USA

Aircraft #1

N3002H

Ercoupe (Eng & Research Corp.) 415C

Analysis

THE PLT WAS PRACTICING FLY-BYS FOR THE NEXT DAYS AIRSHOW. THE LEFT WING SUSTAINED AN INFLIGHT STRUCTURAL FAILURE. INVESTIGATION REVEALED A PROGRESSIVE CRACK IN THE #7 RIB EMANATING FROM PREVIOUS DAMAGE TO THE LEADING EDGE OF THE LEFT WING TIP. THIS RESULTED THE INFLIGHT STRUCTURAL OVERLOAD OF THE MAIN SPAR.

 

Source: NTSB Aviation Accident Database

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