Good. Very good. Now check your altitude. That's the dial just below and to the right of the air-speed indicator.
10 seconds sound clip from the Airplane (1980) movie soundboard.
You can hear this line at 00:44:10 in the Blu-ray version of the movie.
Quote context
[...]
- Elaine, right next to the throttle is the air-speed gauge. What speed does it indicate?
- 35000 feet. No, wait. 34000 feet.
- No, it's dropping. It's dropping fast. Why is it doing that?
- Oh, my God! The automatic pilot, it's deflating!
[...]