T-45 to get new oxygen concentrator

Cobham has been given a contract by the U.S. Navy to supply a new oxygen concentrator for its T-45 advanced jet trainer fleet.

210304-N-N0436-1014 PENSACOLA, Fla. (March 4, 2021) — Cmdr. Eric Reeves (blue aircraft) relinquishes command of the “Sabrehawks” of Training Squadron (VT) 86 to Cmdr. George Zintak during an aerial change of command ceremony above Pensacola, Fla., Feb. 4. VT-86 conducts undergraduate strike naval flight officer training for the Navy, Marine Corps, and select international military partners. (U.S. Navy photo by Capt. Scott Janik/Released)

The new GGU-25 is an upgraded version of GGU-7, which is currently installed on the T-45. The GGU-25 is smart enough to supply the required amount of oxygen to the pilot and also records key operational parameters in real time.

The service decided to replace the concentrator after a series of hypoxia events which lead to more than 100 T-45 instructors refusing to fly the jet back in 2017. Investigations found no root cause but it was determined that the oxygen concentrator was not sending out enough air to the pilots in certain flight profiles.

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