APP (Auxiliary Power Plant) on board Airbus aircraft (e.g. the APP models APS-3000).

-Apic is a manufacturer of engines for auxiliary power groups on board. See also Sundstrand.

-The illustration has been obtained from Flightglobal, the important aviation magazine Flight that periodically surprises us with very complex cutaway drawings of aircraft engines and with an extraordinary quality.

"APIC, left side"

-The APIC we see now is the APS 3200 model. An APU to provide power and air conditioning during the flight.

“APIC APS3200” (Flight, PeT)

From appendix 6: It is a company formed by the Joint Venture of French Labinal and American Sundstrand.

-APIC is the “Auxiliary Power International Corp.”.

-As we saw in the main text, there are mentioned some APIC units used in civil and military transport aircraft.

-The APS-3200 is destined for the Airbus A-320 and A-321.

"Picture of the APIC APS-3200"

"APS-3200, cutaway"

-It seems clear that the APS's were provided by Sundstrand, since before merging products they already had these models. Like the Sundstrand APS-1000 below.

"APIC APS-1000"

-And an exterior photograph of the small APS-500 destined for regional aircraft from 30 to 50 passengers or business aircraft.

"APIC APS-500"

From appendix 9: New picture of the APIC APS 3200 engine. Taken in a service center.

“APIC, APS-3200” (PeT)

From Appendix 10: Builder of auxiliary power and air-conditioning units for Airbus mainly.

"APS 380” (3800 ?)"