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Windham, CT
THE STUDENT PILOT SAID SHE HEARD A POPPING SOUND DURING THE TAKEOFF ROLL AND ALMOST INSTANTANEOUSLY THE DOOR CAME OPEN. SHE TRIED TO CLOSE THE DOOR AND WHEN THAT FAILED SHE ATTEMPTED TO ABORT. SHE RETARDED THE THROTTLE AND ATTEMPTED BRAKING BUT IT WAS NOT EFFECTIVE AND THE ACFT RAN OFF THE SIDE OF THE RUNWAY AND DOWN AN EMBANKMENT.EXAM OF THE WRECKAGE BY THE OPERATOR REVEALED THAT THE PILOT'S SEAT BELT BANGING AGAINST THE OUTSIDE OF THE PILOT'S DOOR WAS THE POPPING SOUND THAT THE PLT HEARD. EXAMINATION OF THE BRAKE SYSTEM DID NOT REVEAL ANY EVIDENCE TO EXPLAIN THE PILOT'S REPORT OF BRAKE DEFICIENCY.
THE STUDENT PILOT SAID SHE HEARD A POPPING SOUND DURING THE TAKEOFF ROLL AND ALMOST INSTANTANEOUSLY THE DOOR CAME OPEN. SHE TRIED TO CLOSE THE DOOR AND WHEN THAT FAILED SHE ATTEMPTED TO ABORT. SHE RETARDED THE THROTTLE AND ATTEMPTED BRAKING BUT IT WAS NOT EFFECTIVE AND THE ACFT RAN OFF THE SIDE OF THE RUNWAY AND DOWN AN EMBANKMENT.EXAM OF THE WRECKAGE BY THE OPERATOR REVEALED THAT THE PILOT'S SEAT BELT BANGING AGAINST THE OUTSIDE OF THE PILOT'S DOOR WAS THE POPPING SOUND THAT THE PLT HEARD. EXAMINATION OF THE BRAKE SYSTEM DID NOT REVEAL ANY EVIDENCE TO EXPLAIN THE PILOT'S REPORT OF BRAKE DEFICIENCY.