ASN Wikibase Occurrence # 287147
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| Date: | Friday 27 February 2009 |
| Time: | 15:15 LT |
| Type: |  Bell 407 |
| Owner/operator: | City Of Dallas |
| Registration: | N2592T |
| MSN: | 53748 |
| Year of manufacture: | 2007 |
| Total airframe hrs: | 937 hours |
| Engine model: | Rolls Royce 250-C47B |
| Fatalities: | Fatalities: 0 / Occupants: 4 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Lancaster, Texas -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Training |
| Departure airport: | Dallas-Redbird Airport, TX (RBD/KRBD) |
| Dallas-Redbird Airport, TX (RBD/KRBD) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The commercial pilot was practicing a forced landing with a certified flight instructor (CFI) providing instruction. After the maneuver was initiated, the CFI recognized the helicopter was not settling quickly enough so he limited the amount of collective the commercial pilot could apply. As the helicopter slowed, the main rotor revolutions per minute (rpm) slowed. After the rear of the skids touched down the main rotor rpm continued to decay, and the front of the skids dropped eight to 10 inches onto the runway. During the landing two main rotor blades contacted both auxiliary fins on the tail boom. Examination of the damaged main rotor blades revealed substantial damage due to delamination and inner core damage on both blades.
Probable Cause: The failure of the pilot to maintain adequate main rotor rpm and the failure of the CFI to provide appropriate instruction during the maneuver.
Accident investigation:
 |
|
Sources:
NTSB CEN09CA203
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 04-Oct-2022 07:48 | ASN Update Bot | Added |
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