ASN Wikibase Occurrence # 298466
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| Date: | Sunday 23 September 2001 |
| Time: | 11:37 LT |
| Type: |  Hughes 369D |
| Owner/operator: | Civic Helicopters, Inc. |
| Registration: | N268ST |
| MSN: | 470122D |
| Year of manufacture: | 1977 |
| Total airframe hrs: | 5266 hours |
| Engine model: | Allison 250C29B |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Carlsbad, California -
 United States of America
|
| Phase: | Unknown |
| Nature: | Training |
| Departure airport: | Carlsbad-McClellan-Palomar Airport, CA (CLD/KCRQ) |
| Carlsbad-McClellan-Palomar Airport, CA (CLD/KCRQ) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
During training, the flight instructor (CFI) directed his student to perform a full touchdown autorotation, and the maneuver commenced. While descending, the student allowed the main rotor rpm to decay. Also, the CFI recognized that the desired touchdown location was farther than their flight profile would allow, so he attempted to "stretch the glide distance" by using collective rather than by adding engine power. The landing flare was delayed, and when touchdown occurred the main rotors impacted the tail boom.
Probable Cause: A hard landing due to the dual student's failure to maintain main rotor speed, his improper landing flare, and the flight control interference by the flight instructor.
Accident investigation:
 |
|
Sources:
NTSB LAX01LA305
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 15-Oct-2022 18:22 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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