Alien Dial Tone, Machine, Telephone, Dial Tone, Low Pulse, Ticking, Sci-Fi

Apathy Transmitter, Machine, Low Electrical Pulse, Moving, Space, Sci-Fi

Busy Cricket, Machine, Fast Telegraph, Alarm, Reverb

Busy Cricket, Machine, Telegraph, Alarm, Reverb

Butterfly Wing Bearings, Machine, Spinning Electric Arc, Flutter

Cosmic Radio Waves. Air Moaning Tunnel Tones With Reverb

Cosmic Radio Waves. Flutter Wind Tones With Reverb

Cosmic Radio Waves. Low End Verb Drone Cycles or Waves.

Device Activated Button. Radio Communication Transmission Interference Buzzing

In Flight Exchange; Interior Quiet Engine Whine, Wind In Cockpit, Radio Messages Between Pilot And Air Traffic Control, Advisory Of Pilot’s And Other Planes’ Locations, Radio Cutting In And Out. Close Perspective. Jet.

Landing Exchange: Interior; Radio Messages Between Pilot And Air Traffic Control, Interior Engine Whine With Increasing Rev At End. Close Perspective. Jet.

Landing Exchange: Interior; Traffic Advisories Between Pilot And Ground, Pilot Breathing In Face Mask. No Engine Sound, Quiet Whistle Of Cockpit Ambience. Close Perspective. Jet.

Landing Exchange: Interior; Fighter Jet Messages Between Pilot And Ground, Heavy Breathing Of Pilot In Cockpit Throughout. No Engine Sound, Quiet Medium Whistle Of Cockpit Ambience. Close Perspective. Jet.

Landing Exchange: Tower; Wind Buffeting Tower, Hissing Tower Ambience, “clear To Land, ” And Air Traffic Advisory Messages Between Pilot And Air Traffic Control. Close Perspective. Jet.

Takeoff Exchange; Interior Quiet Engine Whine, Radio Messages Between Pilot And Air Traffic Control. Close Perspective. Jet.