Helios Airways 522
Printed page 68. PDF page 80.
the final cabin altitude was estimated by extrapolation to have reached approximately 24 000 ft. Based on similar calculations, the Boeing Company estimated the final cabin altitude to have been between from 20 500 ft to 28 200 ft. TheOpen final report at PDF page 80AAIASB 11/2006: Helios Airways HCY522