PHOENIX, Sept. 18, 2019 /PRNewswire/ — Honeywell (NYSE: HON) has reached two major milestones in the production of auxiliary power units (APUs) for aircraft — rolling out its 100,000th overall and the 15,000th of its most popular variant flying today, the 131-9 model.

APUs provide power to tens of thousands of aircraft in the skies today, and Honeywell has been the unquestioned leader in the space for nearly 70 years. Numerous commercial and military platforms have relied on Honeywell APUs to start their main engines and provide additional power to other important systems.

“Honeywell invented the auxiliary power unit, and has been the production and technological leader in APUs ever since,” said Brian Sill, president, Engines and Power Systems, Honeywell Aerospace. “Our legacy and leadership in this space combined with our expertise in connectivity make us well equipped to provide aircraft operators with the next generation of APUs and dependable backup power for years to come.”

A flight begins and ends with the APU. From the minute a passenger boards a plane until it reaches the destination gate, this small engine provides electrical power to the aircraft to start the main engines, run the air conditioning, operate lighting and flight equipment, and more. It is also an important safety feature because of the backup power it supplies to cockpit and hydraulic systems in an emergency, which help control things like steering, air speed and altitude during flight.

Honeywell’s first APU took to the skies in 1950, and the company has built more than 100,000 since. More than 36,000 are in service today across more than 150 regional, executive, commercial and military applications, including both fixed wing and rotary wing.

In 2009, the Honeywell 131-9A APU on an Airbus A320 played a critical role in the emergency landing of US Airways Flight 1549 in New York’s Hudson River, in which all 155 passengers and crew survived. In August, Honeywell shipped its 15,000th 131-9 auxiliary power unit since introducing this model in 1995. More than 13,000 131-9 APUs are still in service today. They are primarily flown on the two most popular single-aisle passenger aircraft in the skies: the Boeing 737 and the Airbus A320.

Honeywell is continuing to advance APU technology in several ways, and works to provide best-in-class operational efficiency to customers. For example, Honeywell Forge for Airlines, an advanced analytics-based software platform for airlines, helps operators reduce delays and cancellations due to unscheduled APU maintenance.

In addition, Honeywell will soon debut a new and smaller power unit designed to provide on-ground power to turboprop and small to midsize jets.

About Honeywell

Honeywell Aerospace products and services are found on virtually every commercial, defense and space aircraft. The Aerospace business unit builds aircraft engines, cockpit and cabin electronics, wireless connectivity systems, mechanical components and more. Its hardware and software solutions create more fuel-efficient aircraft, more direct and on-time flights and safer skies and airports. For more information, visit www.honeywell.com or follow us at @Honeywell_Aero.

Honeywell (www.honeywell.com) is a Fortune 100 technology company that delivers industry specific solutions that include aerospace products and services; control technologies for buildings and industry; and performance materials globally. Our technologies help everything from aircraft, buildings, manufacturing plants, supply chains, and workers become more connected to make our world smarter, safer, and more sustainable. For more news and information on Honeywell, please visit www.honeywell.com/newsroom.

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SOURCE Honeywell