ASN Wikibase Occurrence # 77802
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| Date: | Thursday 19 January 2006 |
| Time: | 15:15 |
| Type: |  Agusta A109E Power |
| Owner/operator: | CareFlight |
| Registration: | N142CF |
| MSN: | 11141 |
| Year of manufacture: | 2002 |
| Total airframe hrs: | 1766 hours |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Forth Worth, TX -
 United States of America
|
| Phase: | Taxi |
| Nature: | Ferry/positioning |
| Departure airport: | Fort Worth, TX (KFTW) |
| Grand Prairie, TX (KGPM) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The 6,500-hour commercial helicopter rated pilot inadvertently encountered ground resonance while ground taxiing. The pilot performed a normal startup and prepared for ground taxi. He moved the helicopter forward and then started the helicopter in a 90-degree ground taxi turn at 30-degree intervals. He pushed on the toe brakes to stop the helicopter to give right of way to an aircraft taxiing down the taxiway. At this time the helicopter started to shake and bounce. Before the pilot could get the aircraft shutdown, the aircraft executed an uncommanded 90-degree turn to the left. The helicopter's main rotors and transmission assembly separated from the airframe. The wind at the time of the accident was reported to be from 170 degrees at 17 knots, gusting to 23 knots.
Probable Cause: The pilot's inadvertent encounter with ground resonance which resulted in the destruction of the helicopter.
Sources:
NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20060130X00132&key=1
Air International JAN 2003
Other occurrences involving this aircraft
| 8 November 2002 | N142CF | North Central Texas Services, Inc. | 0 | Fort Worth, Texas | |
sub |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 17-Sep-2010 10:01 | pesce | Added |
| 24-Jan-2013 13:16 | TB | Updated [Time, Cn, Operator, Location, Damage, Narrative] |
| 21-Dec-2016 19:25 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 05-Dec-2017 09:00 | ASN Update Bot | Updated [Operator, Other fatalities, Nature, Departure airport, Destination airport, Source, Narrative] |
| 28-Dec-2020 12:29 | TB | Updated [Total occupants, Other fatalities, Source, Damage] |
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