Air phones are installed on air craft because they work.
This is a bullshit distracting issue.
It should be noted that he is profiting from the events of 9/11 and that you are distracting from
existing threads which include evidence that cell phones and duh(!) in-plane air phones work while in flight.
disinfo You are now on ignore.
Evidence that phone calls (cell and airphone) are possible at high altitudes and cruising speed:
From this morning's New York Times: "According to industry experts, it is possible to use cell phones with varying success during the ascent and descent of commercial airline flights, although the difficulty of maintaining a signal appears to increase as planes gain altitude. Some older phones, which have stronger transmitters and operate on analog networks, can be used at a maximum altitude of 10 miles, while phones on newer digital systems can work at altitudes of 5 to 6 miles. A typical airline cruising altitude would be 35,000 feet, or about 6.6 miles."
http://www.slate.com/id/1008297/http://news.zdnet.com/2100-9595_22-501431.html
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