ASN Wikibase Occurrence # 198754
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| Date: | Saturday 17 September 2016 |
| Time: | 11:45 |
| Type: | Aviation Artur Trendak Tercel |
| Owner/operator: | Tinz Gyro LLC |
| Registration: | N528WM |
| MSN: | 005 |
| Year of manufacture: | 2014 |
| Total airframe hrs: | 60 hours |
| Engine model: | Rotax 912UL |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Blairstown, NJ -
 United States of America
|
| Phase: | Take off |
| Nature: | Private |
| Departure airport: | Blairstown, NJ (1N7) |
| Blairstown, NJ (1N7) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
According to the solo student pilot, the experimental, amateur-built gyrocopter was positioned for takeoff on the runway and stopped with the brakes set.
He recalled that he engaged the prerotor, increased the main rotor speed to 180 rpm, then disengaged the prerotor, released the brake, and applied full throttle.
He reported that, “this is where I made my mistake. At this point I should have brought the control stick all the way back, but did not.” He recalled that the gyrocopter was moving forward rapidly but that the rotor rpm decreased and that he then pulled the control stick aft. He reported that the rotor blades were flapping, the control stick became uncontrollable, and the gyrocopter exited the runway to the left.
The student pilot reduced the throttle to idle, and during the runway excursion, the left main and the nose landing gear separated from the gyrocopter. The main rotor blade struck the ground, the blade grip sustained substantial damage, and the rotor head partially separated from the frame.
The student pilot reported that there were no preaccident mechanical malfunctions or anomalies with the airframe or the engine that would have prevented normal operation.
Probable Cause: The student pilot’s incorrect takeoff procedure, which resulted in a loss of main rotor rpm and the subsequent loss of directional control and runway excursion.
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 19-Aug-2017 14:59 | ASN Update Bot | Added |
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