http://www.reddit.com/user/_thefinalfrontier
_thefinalfrontier1 karma2016-08-02 14:57:50 UTC
How long are you in contact with aircraft? Does it begin at the gate? Until how long after takeoff?
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_thefinalfrontier1 karma
How long are you in contact with aircraft? Does it begin at the gate? Until how long after takeoff?
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