Honeywell International HON has introduced an upgrade for its 131-9B auxiliary power unit (APU) for Boeing 737 aircraft to reduce fuel consumption and carbon dioxide emissions. The new High-Efficiency ...

The traditional role of the auxiliary power unit (APU) has been to provide electrical power and pneumatic supply for air conditioning and main-engine starting when aircraft are on the tarmac. That ...

Credit: Lufthansa Technik Encased in the tail cone of commercial, business, and military aircraft, auxiliary power units enable cabin environmental control system operation without relying on ground ...

The faulty engines can cause toxic fumes to leak into the aircraft cabin's air supply, posing health and safety risks to crew ...

Pratt & Whitney is to collaborate with Czech Republic-based PBS Group to develop a next-generation auxiliary power unit ...