ASN Wikibase Occurrence # 175226
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| Date: | Thursday 5 March 2015 |
| Time: | 15:30 |
| Type: |  Bell 407 |
| Owner/operator: | Bell Helicopter Textron Inc. |
| Registration: | N41BH |
| MSN: | 53183 |
| Year of manufacture: | 1997 |
| Total airframe hrs: | 4905 hours |
| Engine model: | Rolls Royce 250-C47B |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Practice area in Justin, TX -
 United States of America
|
| Phase: | Landing |
| Nature: | Training |
| Departure airport: | Fort Worth, TX (KAFW) |
| Fort Worth, TX (KAFW) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The helicopter instructor was demonstrating a full down 180 degree auto rotation. He reported that everything was done normally and as he flared to slow the aircraft down, the tail skid lightly bumped the ground a couple of times. The skids eventually made contact with the ground and the helicopter slid about 20 feet to a stop. A post landing examination of the helicopter revealed that the main rotor blade had contacted the tailboom, severing the tailrotor drive shaft.
Probable Cause: Abnormal ground contact during an autorotation demonstration, resulting in a severed tailrotor driveshaft.
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 09-Apr-2015 06:13 | Geno | Added |
| 21-Dec-2016 19:30 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 01-Dec-2017 12:47 | ASN Update Bot | Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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