ASN Wikibase Occurrence # 178017
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| Date: | Friday 17 July 2015 |
| Time: | 13:00 |
| Type: |  Celier Xenon RST |
| Owner/operator: | Steven Posner |
| Registration: | N402ED |
| MSN: | CA102871S |
| Year of manufacture: | 2007 |
| Total airframe hrs: | 83 hours |
| Engine model: | Rotax 912 RST |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Livingston Municipal Airport (00R), Livingston, TX -
 United States of America
|
| Phase: | Take off |
| Nature: | Private |
| Departure airport: | Livingston, TX (00R) |
| Lockhart, TX (50R) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot reported that, during takeoff and as the gyroplane was about 1 ft above the ground, he heard a grinding noise originating from the main rotor area directly above him. The pilot reduced the power to idle to abort the takeoff. The gyroplane drifted off the left side of the runway and rolled onto its left side.
During postaccident examination of the gyroplane, flight control continuity was established, and no anomalies were noted. An examination of the main rotor head revealed that the top of the prerotation plate, which is a large-diameter, circular metal plate with a gear-toothed outer edge used to prerotate the main rotor blades for takeoff, displayed evidence of preaccident circumferential scoring. An examination of the prerotation drive housing showed evidence of scoring on the upper portion of the opening through which the prerotation plate is driven. The top of the upper housing assembly also displayed evidence of scoring. Based on the evidence, it is likely that the prerotation housing became misaligned, which resulted in the grinding noise reported by the pilot. However, the misalignment of the prerotation housing would not have led to the loss of directional control.
Probable Cause: The pilot’s loss of directional control after aborting the takeoff due to a grinding noise coming from the main rotor area, which resulted in a runway excursion.
Accident investigation:
 |
|
Sources:
NTSB
FAA register: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=402ED
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 22-Jul-2015 02:38 | Geno | Added |
| 21-Dec-2016 19:30 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 01-Dec-2017 15:03 | ASN Update Bot | Updated [Operator, Other fatalities, Nature, Departure airport, Destination airport, Source, Narrative, Plane category] |
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