Torpedo bearing steady at 3-1-5. Best range: 900 yards.

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

You can hear this line at 01:58:15.435 in the Blu-ray version of the movie.

Quote context

[...]

- Estimate range: 3000 yards. Closing awfully fast.

- He's headed right into the torpedo. What's he trying to do, kill himself?

- Mr. Thompson, we have a firing solution on the Russian Alfa. Can we shoot back?

- They didn't shoot at us. I can't attack a Soviet submarine without authorization.

(Underwater torpedo)

- Torpedo bearing steady at 3-1-5. Best range: 900 yards.

- Torpedo impact... 20 seconds.

- What books?

- Pardon me?

- What books did you write?

- I wrote a biography on Admiral Halsey called The Fighting Sailor, about naval combat tactics.

- I know this book. Your conclusions were all wrong, Ryan. Halsey acted stupidly.

- Nine, eight, seven, six, five, four, three, two... torpedo impact... now.

[...]