- No, I can never sleep on a plane. Turbulence. Pardon?
- Turbulence... solar radiation heats the earth's crust, warm air rises, cool airs descends. Turbulence. I don't like that.

Jack Ryan (Alec Baldwin)

12 seconds sound clip from the The Hunt for Red October movie soundboard.

You can hear this line at 00:06:03.119 in the Blu-ray version of the movie.

Quote context

[...]

- Jack, you're going to miss the plane.

- Okay. Cricket, you listen to me. You go upstairs with Mrs. Wheeler right now and go to sleep

- And while I'm on my business trip, I'll get Stanley a little brother, okay?

- Will you promise?

- I promise.

- Can I get you anything, sir?

- No, thank you very much.

- You know, if you do try and get some sleep, the flight will go a lot faster.

- No, I can never sleep on a plane. Turbulence. Pardon?

- Turbulence... solar radiation heats the earth's crust, warm air rises, cool airs descends. Turbulence. I don't like that.

- Oh. Well, try to get some sleep anyway.

- Jack, boy, get yourself in here.

- Jesus! You look like hell.

- Thank you very much, Admiral.

- Want coffee?

- I think I need some coffee.

[...]