Navy trainers resume flying with oxygen monitoring upgrades

The US Navy has cleared the Boeing T-45 Goshawk fleet to resume regular flights after a five-month grounding caused by contamination concerns over the system that generates and supplies oxygen to the training jet’s pilots.

Student pilots can now resume training, but only on aircraft outfitted with a digital upgrade to the CRU-99 oxygen monitor, called the solid-state oxygen monitor (CRU-123), which provides information on temperature and oxygen pressure.


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