Pilot Debrief

EUROCOPTER EC120B near Rancho Cordova, CA — 2022-12-11

Final reportWPR23LA068
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Date
2022-12-11
Location
Rancho Cordova, CA, USA
Airport
KMHR
Aircraft
EUROCOPTER EC120B
Registration
N255SD
Category
Helicopter
Highest injury
None
Fatalities
0

Probable cause

The pilot receiving instruction’s loss of helicopter control during landing with a crosswind, and the flight instructor’s delayed remedial action.

NTSB narrative

The flight instructor reported that the pilot receiving instruction was practicing an offsite landing in an open area. While descending on approach to the site, the airspeed decayed to 35 kts. The flight instructor prompted for an increase in airspeed, the pilot flying acknowledged, applied forward cyclic, right pedal, and continued turning left into the wind. They encountered an uncommanded left yaw and the pilot receiving instruction added right pedal until he reached full deflection. The flight instructor then assumed control of the helicopter and pushed forward on the cyclic as he lowered the collective. The instructor attempted to recover from the uncommanded left yaw; however, but the helicopter spun several times. Unable to gain forward airspeed, the flight instructor began a descent. The helicopter subsequently landed hard substantially damaging the underside of the fuselage. The flight instructor reported that there were no preaccident mechanical malfunctions or failures with the helicopter that would have precluded normal operation.

NTSB coding

Evidence available

  • Photos
  • 3 docket documents
View NTSB final reportView NTSB docket

Docket documents3

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