Abstract: A lightweight auxiliary power and forced air supply unit that may be used to provide electricity and forced air for use by an air conditioning system on a vehicle such as an aircraft. The unit includes a turbine (12), a generator (13), a forced air unit (14), a primary control unit (16), and a primary display and input control unit (17). The apparatus further includes an electronic sequence unit (18), a secondary display unit (19) and an ignition exciter unit (21), in addition to a modulated bleed air valve (22), a fuel pump (23), a fuel valve (24), and a fuel source (26). The apparatus also includes a heat sensor unit (27) and a fire protection unit (28), and connects to the electrical system buss (29) of the aircraft. As configured and as installed, this apparatus weighs less than two hundred pounds.