Sep 13, 2023
Accident
Substantial St. Mary's, AK
Injuries1 fatal
Phase of Flight-
ConditionsVMC
OperationFAR 135
Probable Cause
The pilot’s decision to operate the airplane above its maximum certificated gross weight, and his installation of an unapproved external load that degraded takeoff performance and flight characteristics resulting in a loss of airplane control during takeoff into an area of mechanical turbulence and downdrafts.
NTSB ANC23FA074