Due to this high prevalence, vertebral artery hypoplasia (VAH) has not yet been considered an independent risk factor for ischemic stroke [1,2].
How to use your own headphones on Americanâs new 777-300ER. Passengers traveling in First and Business Class on Americanâs new 777-300ER are provided with Bose QuietComfort 15 Acoustic Noise Canceling headphones to use during the flight.
190 Contributions. Yes, of course. You can use laptops on any airline. But only during the flight, after the plane has reached cruising altitude, and the flight attendants have announced that itâ¦'s OK to begin using approved electronic devices (laptops, video games, MP3 players, etc.). You cannot use any electronic device during take-off or landing.