Helios Airways 522
Printed page 136. PDF page 148.
Board noted that this situation was not unique to Helios Airways, because the lack of hypoxia training to sensitize flight crews to detecting an insidious gradual decompression or non-pressurization of the aircraft during climb, was a common situation in theOpen final report at PDF page 148AAIASB 11/2006: Helios Airways HCY522