On hot batter bus:
Airstair Lights
Powerplant Designation
PT6A-41/42
Powerplant description
Three stage axial, single stage centrifugal, free turbine. Compressors are driven by a single stage reaction turbine. Propeller is turned by a 2 stage reaction (power) turbine.
Electrical system description
Dual fed 28 volt electrical system. DC provided by 2X 30 volt 250 amp starter/generators. 24 Vilt battery supplies starting and electrical. Ac provided by two inverters
Fuel Capacity
544 usable gallons in 4 bladders and 1 wet wing tanks per wing.