Maintenance and Modifications
Concorde Rolls Out New Piper M500, M600 Batteries
TSO approved and STC'd on the Piper M500 and M600, the RG-41/53 provides nearly 40 percent more starting power and reserve capacity.

Concorde Battery received U.S. FAA supplemental type certificate (STC) approval for installation of the newest addition to its Platinum Series turbine aircraft starting battery family, the RG-41/53, on the Piper M500 and M600.