Tại sao hành khách lại không được phép sử dụng điện thoại để gọi điện thoại trong suốt chuyến bay (ngoại trừ một số dịch vụ đặc biệt)?

Sep 19, 2011 ... You have to turn off your electronics so that - if anything does go wrong - you'll be able to hear the pilot or flight attendants give you instructions. To the discretion of the security personnel, some electronics are subject to additional search. You must turn off all electronics when entering the courtroom. You must take televisions, computers, and other electronics to a drop-off site. These items are banned from curbside collection. Do not place them on the curb ... This is why you should carry your portable electronic devices (PEDs) such as cameras, laptops and phones in your hand baggage (carry-on), and not in your ... You will not be permitted to read while court is in session. You must turn the electronic devices completely off during court. The Jury Assembly Room has very ... You must gather speed before you can launch. When commercial jets taxi down the runway before take-off, they hit about 130 knots (150 mph) before initiating ... Computers. If you wonder when you should turn off your personal computer for energy savings, here are some general guidelines to help you make that ... Sep 27, 2023 ... ... flight. If you have been on a flight before, you know that you must turn off all mobile electronic devices before the flight takes off. So ... Nov 1, 2013 ... You no longer have to turn off your electronic devices before takeoff on Delta and JetBlue flights. You must turn off all electronic devices before you enter the Testing Center. ... The Testing Center staff will inform you of what you can use before you take a ...