Aviation Accident Summaries

Aviation Accident Summary CHI86LA134

MT CLEMENS, MI, USA

Aircraft #1

N2194U

Brantly Helicopter B-2B

Analysis

AFTER APRX 20 SUCCESSFUL TAKEOFFS & LANDINGS, THE ENG OF THE HELICOPTER LOST POWER AT ABOUT 300 FT AGL, DUE TO A #1 CONNECTING ROD FAILURE. DURING AN AUTOROTATION, THE HELICOPTER LANDED IN TREES & WAS DESTROYED. ALTHOUGH THE PILOT WAS INSTRUCTING A NEW STUDENT PILOT, HE HELD NO FAA FLYING CERTIFICATE. THE LAST ANNUAL INSPECTION OF THE HELICOPTER WAS DATED 12/2/75. A TEARDOWN OF THE ENG REVEALED DISCREPANCIES IN THE INSTALLATION OF THE #2, #3 & #4 ROD CAPS. DUE TO THE DAMAGE, PROPER INSTALLATION OF THE #1 ROD CAP COULD NOT BE VERIFIED.

 

Source: NTSB Aviation Accident Database

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