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| Date: | Sunday 9 April 2023 |
| Time: | 08:45 LT |
| Type: |  Guimbal Cabri G2 |
| Owner/operator: | Ideal Aviation |
| Registration: | N372PA |
| MSN: | 1150 |
| Year of manufacture: | 2016 |
| Engine model: | Lycoming O-360-J2A |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Other fatalities: | 0 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | St Louis Downtown Airport (CPS/KCPS), Cahokia, IL -
 United States of America
|
| Phase: | Landing |
| Nature: | Training |
| Departure airport: | Cahokia, IL |
| Cahokia, IL | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The flight instructor stated that during an instructional flight he lost left cyclic control during an approach for landing. The student pilot's right cyclic controls continued to function, and the flight instructor coached him on cyclic control inputs to maintain control of the helicopter. The student's cyclic control became unresponsive to control inputs during the attempted landing and the helicopter impacted the ground resulting in substantial damage to the main rotor blades. Postaccident examination of the flight control system revealed that retaining hardware for the pins used to attach the left cyclic control were not installed. Maintenance personnel were unable to provided information regarding previous maintenance performed on the cyclic controls. The left cyclic control did not have any deformation/damage.
Probable Cause: The lack of proper attachment of the cyclic control that resulted in a loss of control during a landing approach and impact with terrain. Contributing to the accident was the improper maintenance performed.
Accident investigation:
 |
|
Sources:
NTSB CEN23LA150
https://flightaware.com/live/flight/N372PA
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 03-May-2023 16:16 | Captain Adam | Added |
| 20-Jul-2024 08:32 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative, Category, ] |
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