ASN Wikibase Occurrence # 312008
This information is added by users of ASN. Neither ASN nor the Flight Safety Foundation are responsible for the completeness or correctness of this information.
If you feel this information is incomplete or incorrect, you can submit corrected information.
| Date: | Thursday 30 June 2022 |
| Time: | 07:42 LT |
| Type: |  MBB Bo 105CBS |
| Owner/operator: | Southern Utah University |
| Registration: | N160TH |
| MSN: | S-610 |
| Year of manufacture: | 1982 |
| Total airframe hrs: | 10666 hours |
| Engine model: | Allison 250-C20B |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Daytona Beach, Florida -
 United States of America
|
| Phase: | Take off |
| Nature: | Private |
| Departure airport: | Daytona Beach, FL |
| Saint Joseph-Rosecrans ANGB, MO (STJ/KSTJ) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot stated there were no discrepancies of the anti-torque pedals noted during his check of them as part of the startup checklist or after starting the engines. After lifting off from a dolly while operating about 150 pounds below gross weight, he reported 'suddenly and without noticeâ a 'popâ in the pedals. The helicopter began yawing to the right, which he attempted to correct with left anti-torque pedal input but did not recall if the pedal moved. The helicopter yawed about 180° clockwise and impacted a parked golf cart which stopped the yaw. He then lowered the collective which resulted in the helicopter landing partially on the dolly. He then raised collective and lifted from the dolly but after getting airborne the helicopter yawed left which he attempted to correct with right anti-torque pedal input. After clearing the dolly, he lowered collective and the helicopter impacted hard on the ramp resulting in substantial damage to the tailboom. The pilot indicated on the NTSB Pilot/Operator Aircraft Accident/Incident report there was no mechanical malfunction or failure.
Postaccident examination of the helicopter by a Federal Aviation Administration (FAA) airworthiness inspector with the accident pilot present revealed no evidence of preimpact failure or malfunction of the anti-torque flight controls. While binding was noted in the anti-torque flight controls during postaccident examination, that was attributed to be from impingement of a displaced skid cross tube into a bellcrank of anti-torque control system. The lack of any malfunction of the anti-torque flight controls was further supported by the pilot and witness accounts, as well as recorded video that depicted the helicopter yawing to the left in response to pilot left pedal input following right yaw.
Probable Cause: The pilot's rapid reduction of collective following an in-flight loss of control while lifting from a dolly resulting in a hard landing. Contributing to the loss of control was the pilot's likely inadequate left anti-torque control pedal input during initial liftoff.
Accident investigation:
 |
|
Sources:
NTSB ERA22LA342
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 03-May-2023 06:24 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
The Aviation Safety Network is an exclusive service provided by:
Quick Links:
| ASN Home | Send Correction / Feedback |
| FSF Home | Disclaimer | Copyright |
| Contact Us | Privacy Policy |
| Press / Media |
CONNECT WITH US:
©2024 Flight Safety Foundation