They are not "always in the air", but if they are civil passenger or cargo aircraft, that may seem so. It is the only way they make money.
There is an "Idle Air Control Valve" on the passenger side of the intake, a "throttle switch" on the drivers side of the throttle body, and "idle solenoid, idle control" on the drivers side of the intake
The thinness of the air provides less wind resistance.
The 2004 Chevrolet Cavalier idle air control valve can be found on the firewall in the engine compartment. The valve will be on the passenger side of the firewall.
Passenger airplanes
on the passenger side of the throttle body
Its on the passenger side of the throttle body.
Don't know what you are asking about the IAC, Idle Air Control, location is passenger side of the engine in the back of the intake. Really a pain to get at but if your idle is out of whack, the Idle Air Control valve either has to be cleaned or replaced.
IAC (idle air control) valve may be bad. Located on the passenger side of the throttle body.
NO, airplanes have to keep moving in the air.
Under the hood passenger side all the way in the back of the engine.
Yes, cellphones are allowed on passenger trains, unlike airplanes.