Phase 1: Launch

Launch Control

10, 9, 8, 7, 6, —

Launch Control

IGNITION —

Launch Control

4, 3, 2, 1, 0 —

Launch Control

LIFT-OFF.

Launch Control

Clear the tower.

Jim Lovell (CDR)

Yaw complete. Roll program.

Joe Kerwin (CAPCOM)

13, Houston. GO at 30 seconds.

Jim Lovell (CDR)

Roll complete, and we are pitching.

Joe Kerwin (CAPCOM)

Roger that. Stand by for mode I Bravo.

Joe Kerwin (CAPCOM)

13, Houston. GO at 1. We show the cabin relieving.

Joe Kerwin (CAPCOM)

13, Houston. Stand by for mode I Charlie.

Joe Kerwin (CAPCOM)

And, 13, you are GO for staging.

Jim Lovell (CDR)

GO for staging. Roger. We're EDS MANUAL.

Joe Kerwin (CAPCOM)

We confirm inboard out, 13. You're looking good.

Joe Kerwin (CAPCOM)

13, Houston. Trajectory is good; thrust is good.

Jim Lovell (CDR)

Skirt SEP … tower JETT.

Joe Kerwin (CAPCOM)

We confirm skirt SEP. Roger. Tower JETT; mode II, Jim. Looking good.

Joe Kerwin (CAPCOM)

13, Houston. Guidance is good, and the CMC is GO.

Joe Kerwin (CAPCOM)

13, Houston. You are GO at 4 minutes. The little red lines are right on the little white lines down here.

Joe Kerwin (CAPCOM)

13, Houston. Coming up 5 minutes. You're looking perfect. Over.

Jim Lovell (CDR)

Key moment The inboard engine cuts out two minutes early: Inboard.

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Joe Kerwin (CAPCOM)

Roger. We confirm inboard out.

Joe Kerwin (CAPCOM)

13, Houston. Stand by for S-IVB to COI capability.

Joe Kerwin (CAPCOM)

Roger. You've got it now, Jim.

Jim Lovell (CDR)

We've got S-IVB to COI.

Joe Kerwin (CAPCOM)

You're GO at 6 minutes, 13.

Jim Lovell (CDR)

And, Houston, what's the story on engine 5?

Joe Kerwin (CAPCOM)

Jim, Houston. We don't have the story on why the inboard out was early, but the other engines are GO and you are GO.

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Spoken on April 11, 1970, 7:18 p.m. UTC (47 years, 1 month ago). Link to this transcript range is: Tweet

Joe Kerwin (CAPCOM)

13, Houston. Still looking good. Your gimbals are good; trim is good.

Joe Kerwin (CAPCOM)

13, Houston. Level sense arm time 8 plus 38 nominal; S-II cut-off time 9 plus 48. Over.

Jim Lovell (CDR)

Roger. Nominal on the level sense arm, 9:48 on the S-II cut-off.

Joe Kerwin (CAPCOM)

That's affirmative, and stand by for S-IVB to orbit.

Joe Kerwin (CAPCOM)

You have S-IVB to orbit, Jim.

Jim Lovell (CDR)

Roger. We have S-IVB to orbit.

Joe Kerwin (CAPCOM)

13, Houston. Looking good at 8 minutes.

Joe Kerwin (CAPCOM)

Apollo 13, Houston. Mark level sense arm.

Jim Lovell (CDR)

Mark level sense arm. Roger.

Joe Kerwin (CAPCOM)

Apollo 13, Houston. At 9 minutes, you are GO; the CMC is GO.

Joe Kerwin (CAPCOM)

13, Houston. You are GO for staging.

Jim Lovell (CDR)

13; Roger. GO for staging.

Joe Kerwin (CAPCOM)

Apollo 13, Houston. Stand by for mode IV capability.

Jim Lovell (CDR)

Mode IV. Roger. Staging.

Jim Lovell (CDR)

And S-IVB ignition, Houston.

Joe Kerwin (CAPCOM)

Roger that, Jim. Thrust looks good.

Joe Kerwin (CAPCOM)

13, Houston. You're looking good. Trajectory, guidance, CMC are all GO.

Joe Kerwin (CAPCOM)

13, Houston. At 11 minutes, you're GO. Predicted cut-off on the S-IVB is 12 plus 34. Over.

Joe Kerwin (CAPCOM)

Apollo 13, Houston. You're GO at 11-1/2, and predicted cut-off time is 12 plus 34. Over.

Jim Lovell (CDR)

Understand; 12 plus 34 predicted cut-off time.