ASN Wikibase Occurrence # 144244
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| Date: | Monday 5 March 2012 |
| Time: | 11:36 |
| Type: |  Hughes 269C |
| Owner/operator: | Xotic Aviation LLC. |
| Registration: | N1099N |
| MSN: | 700939 |
| Year of manufacture: | 1980 |
| Total airframe hrs: | 10057 hours |
| Engine model: | Lycoming HIO-360-B1A |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Staples, northern Guadalupe County, TX -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Fentress, TX (XS90) |
| San Antonio, TX (1T8) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
About 15 minutes into a cross-country flight, the pilot heard a "pop" that sounded "like metal breaking." He felt a violent vibration and loss of torque pedal response. The pilot reported that there was no change in rpm, and he performed a precautionary autorotation and landing due to the vibration. During the landing, the helicopter impacted the ground hard and the main rotor blades contacted the tailboom.
On-scene and subsequent laboratory examination revealed no anomalies that would have precluded normal operation. The reason for the pop and subsequent vibration could not be determined.
Probable Cause: The pilot's failure to attain the proper descent rate during autorotation, which resulted in a hard landing. Contributing to the accident were the inflight vibrations and loss of torque pedal response for undetermined reasons.
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 06-Mar-2012 05:44 | gerard57 | Added |
| 06-Mar-2012 06:14 | RobertMB | Updated [Time, Registration, Cn, Operator, Location, Departure airport, Source, Narrative] |
| 06-Mar-2012 06:15 | RobertMB | Updated [Narrative] |
| 09-Mar-2012 11:05 | Geno | Updated [Time, Source] |
| 21-Dec-2016 19:26 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 27-Nov-2017 20:28 | ASN Update Bot | Updated [Cn, Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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