Honeywell, Vietjet sign APU maintenance agreement for Airbus A330 fleet

Summary points: 

• Five-Year Deal Covers 30 Aircraft: Honeywell and Vietjet signed a five-year exclusive agreement to maintain Honeywell’s 331-350 APUs on the airline’s Airbus A330 fleet, expanding their long-standing partnership.

• High-Performance APU Technology: The 331-350 APU, designed for the A330, is part of Honeywell’s 331 series known for high reliability, reduced maintenance costs, and over 100 million operational hours.

• Supporting Fleet Growth: The deal aligns with Vietjet’s fleet expansion and ensures continued performance, efficiency, and operational readiness across its growing widebody operations.

PARIS - Honeywell in Phoenix and Vietjet Air in Hanoi, Vietnam, have signed a five-year agreement for the maintenance of Honeywell’s 331-350 auxiliary power units (APUs) used on Vietjet’s Airbus A330 aircraft, the companies announced. The agreement covers 30 widebody aircraft and expands Honeywell’s existing support for Vietjet’s growing A330 fleet. 

"Honeywell is proud to support Vietjet’s continued growth with reliable, high-performance APU solutions," said Dave Marinick, president of Engines and Power Systems at Honeywell Aerospace Technologies. "Our agreement reflects a shared commitment to both operational excellence and long-term success."

Honeywell’s 331-350 APU is specifically designed for the Airbus A330 and is part of the proven 331 family, which has logged more than 100 million hours of operation. The 331-350 offers high reliability, reduced maintenance costs, and improved fuel efficiency compared to earlier-generation units. It provides pneumatic and electrical power for aircraft systems, including engine starting, air conditioning, and cabin pressurization, particularly while the aircraft is on the ground.

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Vietjet, which has placed orders for 20 additional A330neo aircraft and 200 Boeing 737 MAX jets, is investing in scalable technology solutions to support its expansion.

"Honeywell’s advanced APU technology and global service expertise have consistently delivered performance and reliability," said Vietjet CEO Dr. Dinh Viet Phuong. "This expanded partnership reaffirms our confidence in Honeywell as a trusted partner in scaling our widebody operations and delivering cost-efficient service across our network."