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) |
Destination airport: | San Antonio, TX (1T8) |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative: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:
|
| |
Investigating agency: | NTSB |
Report number: | CEN12LA181 |
Status: | Investigation completed |
Duration: | 1 year and 11 months |
Download report: | Final report |
|
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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