ASN Wikibase Occurrence # 77949
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| Date: | Saturday 25 September 2010 |
| Time: | 09:25 |
| Type: |  RotorWay Exec 90 |
| Owner/operator: | Private |
| Registration: | N520RW |
| MSN: | 6839 |
| Total airframe hrs: | 78 hours |
| Engine model: | Rotorway RI 162F |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Waller County near Pattison, Texas -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Brookshire, TX |
| Brookshire, TX | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
A witness working in a field observed the helicopter fly overhead and heard the rotor blades making "funny noises." Shortly after, the witness lost sight of the helicopter and observed a plume of smoke. A postaccident examination of the helicopter revealed no pre-impact mechanical anomalies with the flight control system, rotor system, or engine. A technical representative of the helicopter manufacturer examined the photographs taken on scene, and reported that the main rotor blades displayed signatures consistent with a decay of the main rotor rpm.
Probable Cause: The pilot's failure to maintain main rotor rpm, which resulted in an uncontrolled descent and collision with terrain.
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 26-Sep-2010 02:24 | slowkid | Added |
| 21-Dec-2016 19:25 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 26-Nov-2017 18:11 | ASN Update Bot | Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
Corrections or additions? ... Edit this accident description
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