In 1962, the SFERMA (French Society for Maintenance and Repair of Aeronautical Equipment) modified a Model 95 Travel Air by fitting it with the swept tail units of the Model 55 “Baron” and by replacing the piston engines with two Astazou IIA turboprop of 440hp.
Seventeen Model 55 “Baron” cells are also re-engineered, including three for Beechcraft, and an eighteenth is not completed.
The PD-146 “Marquis” n°2 (F-BJSI) is re-engined with Astazou X 600hp turbines and established several world speed records in its category (C-1-d, Group 2):
On February 21, 1964, 1,000km at 502.12km / h (piloted by Maurice Oppeneau and Jacques Boisbeau).
On June 19, 1964, 2,000km at 446.92km / h (piloted by Maurice Oppeneau and Jacques Boisbeau).
All Aero 