There are four songwriting credits on the track: Gilmour, lyricist Anthony Moore, producer Bob Ezrin, and keyboard player Jon Carin, who did session work on the track. Carin came up with a chord progression that ended up on the track, so Gilmour generously included him in the credits. Carin didn't expect it, as session players are generally considered "work for hire" and rarely included in these lucrative credits. He said it "just shows you what kind of guy David is." Gilmour took quite an interest in flying and vintage aircraft, later starting a company called Intrepid Aviation. The dubbed over voice of pilots talking is actually a recording of drummer Nick Mason during a flying lesson. According to his book Inside Out, both Mason and Gilmour were terrified of flying but eventually got their pilot licenses. "Friction lock, set Mixtures, rich Propellers, fully forward Flaps, set, ten degrees Engine gauges and suction, check Mixture set to maximum percent, recheck Flight instruments Altimeters, check both (Garbled word) on Navigation lights, on Strobes, on Confirm three-eight-echo ready for departure Hello again, this is now 129.4 129.4, it's to go You may commence your takeoff, winds over ten knots Three-eight-echo Easy on the brakes, take it easy, its gonna roll this time Just hand the power gradually, and it..."