When Jack's helicopter is approaching the oil platform, the anti-collision lights and strobe are on. This makes the helicopter easily visible. This negates the upwind approach to mask the helicopter's noise. Jack and Bill would have known this and taken the simple precaution of flipping the switch off. See more
[saying goodbye to Audrey as she sleeps
hey, it's me, I'm here. I know I promised to take care of you and to protect you but I'm at a crossroads, right now the best way, the only way to do that is to let you go. I hope one day you can understand and one day you can forgive me. I love you with all my heart and I always will.