in Aerospace

Cobham to provide ASMs to Boeing 737s

Posted 27 May 2021 · Add Comment

Provider of fuel tank inerting systems (FTIS), Cobham Mission Systems, has announced a long-term agreement to provide air separation modules (ASM) for another major US airline operating Boeing 737s.



Image courtesy Cobham


An aircraft’s ASM prevents the build-up of explosive conditions in fuel tanks by generating nitrogen enriched air to help lower the amount of oxygen in the fuel tank.  Since its introduction in 2015, Cobham has delivered 885 B737 ASM model NC1211 units which have achieved over 5,000,000 flight hours with no failures, providing our airline partners with substantial savings in ownership and maintenance costs.

“Cobham Mission Systems is delighted to partner with another major US airline,” said Jason Apelquist, SVP business development and strategy. “Our air separation modules are the most reliable in the world, with 2,100 delivered and more than 17,600,000 flight hours on commercial aircraft worldwide. We are proud to contribute to our airline customers’ aircraft operation and maintenance cost reduction efforts through the outstanding performance, reliability and life on-wing Cobham ASMs provide.”


Cobham is a specialist in gas separation and has been developing and delivering fuel tank inerting systems and subsystems for 30 years. With 6,700 systems on commercial (including B737, A320, A321, and B787) and military aircraft and a total over 52,000,000 flight hours, Cobham holds the unique technical ability to design an optimally sized and configured fuel tank inerting system using Hollow Fiber Membrane technology. Cobham fuel tank inerting systems are designed for both military and commercial applications.

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