last update December 14, 2023
STC Air Tractor AT-501, AT-502
STC - Data
(issued May 23, 1996)
Riddell Flying Service, Inc., an Arkansas Corporation
124 Phillips 204 Road
West Helena, AR 72390
Air Tractor AT-501, AT-502
Our propellers bring you the unique solution of removable blades. Shipping and storage of such a propeller is much easier and cheaper compared to the fixed blade option.
Our blades are made of durable high quality aluminum alloy designed for propeller blades.
No propeller ADs
TBO 2000 hours or 6 years, whatever comes first, for low maintenance costs
No intermediate inspections on an agriculture installation
No intermediate inspections are needed between the TBO which requires the propeller removal
Reduced cost for spare parts, like blades and lower overhaul costs, for the complete propeller assembly
No rpm restriction for the complete operational range