May 26, 2003
Accident
Substantial Afton, WY
InjuriesNone
Phase of Flight-
ConditionsVMC
OperationFAR 091
Probable Cause
the pilot's failure to achieve an adequate climb rate, resulting in an inflight collision with the sign. Contributing factors were the pilot's improper mixture leaning procedure, the high density altitude, his failure to abort the takeoff in a timely manner, and the highway sign near the end of the runway.
NTSB DEN03LA089