Oct 13, 2012
Accident
Substantial West Chester, PA
InjuriesNone
Phase of Flight-
ConditionsVMC
OperationFAR 091
Probable Cause
The pilot’s failure to see and avoid the preceding helicopter while maneuvering for landing. Contributing to the accident were the flight lead pilot’s inadequate preflight briefing and in-flight instruction to the formation pilots, which resulted in the loss of the formation flight's integrity and the pilots’ situational awareness within the flight.
NTSB ERA13LA022