Engines
PBS Velka Bites Celebrates 1,500th APU Produced
APU provides power options for helicopter and airplanes
Image of APU
© PBS Velka Bites

Czech-based PBS Velka Bites recently produced its 1,500th Safir SK/G MI auxiliary power unit (APU) that provides an independent power source for helicopters and airplanes. Offering both electrical and pneumatic power, the APU is designed to aid engine starting and onboard operations, including air conditioning.

The Safir SK/G MI is capable of continuous operation for up to six hours at altitudes of up to 6,000 meters (19,685 feet). It is equipped with an advanced diagnostic system featuring an RS-422 interface to monitor key parameters, including exhaust gas temperature and fluid status.