Lucille
If the Left ARINC 629 / AMU is inoperative, all radio calls are inoperative. The only option available is a cell phone. The FO sitting in the right hand cockpit seat is in the ideal position (zero Doppler) for his phone to connect with the Penang cell phone tower (Grain Loaf Bakery), as the aircraft made a gentle turn to the right, south of Penang.
tdracer
MH370 didn’t skirt around ground radar, it did the opposite. From IGARI the aircraft has remained at altitude and diverted west INTO range of multiple primary radar sites: Kota Bharu, Hat Yai, Phuket, Butterworth, Penang Hill, Medan, Lhokseumawe, Sabang, Sibolga.
dr dre
Time until hypoxia is greater in a gradual decompression compared to an explosive decompression. Gradual decompression events are insidious in nature, they can easily go undetected.