Ivchenko AI-9
The Ivchenko AI-9 is an aircraft auxiliary power unit developed and produced by Ivchenko-Progress and Motor Sich.Variants
;AI-9: The base model which is used to supply compressed air to air-start systems. It can also be used as cabin heating if necessary.
;AI-9V: A variant of the base model that is used to supply compressed air to air-start systems and air conditioning. It also supplies electricity to on-board electrical systems.
;AI9-3B:The AI9-3B is used to provide air to engines and air conditioning systems and provide electricity to on-board electrical systems.
