Petersen Aviation has specialized in auto gas STCs since 1983. More than 39,000 aircraft use a Petersen Auto Fuel STC to burn ethanol-free auto gas in their aircraft.
STC
New tailwheel STC’d for Cessna 170, Bird Dog
The twin-shock system replaces conventional leaf spring tailwheels. The coil-over spring assembly, equipped with oil shocks, absorbs energy on landing and reduces fuselage stress, according to company officials.
Garmin GI 275 certified for Robinson helicopters
The FAA awarded an STC for R22 and R44 installations in early July 2022.
Alpha Aviation earns STC for O-200A on Ercoupes C, CD, D, E, and G models
The STC allows the engine change without the loss of LSA eligibility.