Ken Mattingly

Yes, sir. Understand you have a question.

Jack Swigert (CMP)

Yes. I guess I didn't understand what the letter and the number was behind some of these photo targets.

Jack Swigert (CMP)

Does that refer to the pages?

Ken Mattingly

Yes, sir. That's the map. Each fold is lettered in the lower—or upper right-hand corner if you work your way from east to west and the charts are labeled D, E, and F and the solo stuff will all be the D and E, and they change with the plane change 1. That's the time they change the two maps.

Jack Swigert (CMP)

Okay. I got it. Thank you.

Ken Mattingly

Yes, sir. You're doing good work, hey.

Jack Swigert (CMP)

Well, I had a good prime crewman that taught me all I know.

Jack Swigert (CMP)

Hey, when FIDO gets a good hack on our trajectory, will you let us know?

Ken Mattingly

How long you willing to wait?

Ken Mattingly

He's looking at his calendar, if that means anything.

Jack Swigert (CMP)

Okay. I'm back at the attitude here, and I'll wait for rates to damps and you let me know when we're stable again.

Vance Brand (CAPCOM)

Roger. Just a reminder you have to disable Charlie and Delta here as you've done in the past. Over.

Jack Swigert (CMP)

Okay. I was kind of holding off on this. We're dumping a little waste water now.

Vance Brand (CAPCOM)

Okay. FIDO says he knew it all along. He's—he says he's been very concerned that you've been doing a lot of water dumping.

Jack Swigert (CMP)

Okay, Vance. We've got quad C and B disabled.

Vance Brand (CAPCOM)

It may be awhile before your rates are settled down. We're still observing fairly high rates and deadbanding. Over.

Unidentified crew member

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Vance Brand (CAPCOM)

Okay. We've got about three items. First one is, all of your P23 batch—two marks have been evaluated and—Hey, congratulations. Looks real good; they're very happy with it. You're down to 4 arc-minutes on the substellar-point aspect of it, and that's the first thing to mention. The second is, unless you see a need, I don't see any need for you to read back the information we gave you on the solo book and so forth. Do you concur?

Jack Swigert (CMP)

Roger. I think I got it. I remembered a lot of it, and so I think with what you gave me and what I remember, I'm pretty sure we got it right.

Vance Brand (CAPCOM)

Okay, and the third item, I was just about to call that your rates were stabilized to start the PTC, but it looks like they're jiggling around again from a dump, so we'll stand by some more.

Fred Haise (LMP)

No secrets around here.

Vance Brand (CAPCOM)

Say again. Hey, that's right.

Fred Haise (LMP)

I said there's no secrets around here.

Vance Brand (CAPCOM)

Yes. Big Brother is watching.

Jack Swigert (CMP)

I can just see EECOM telling FIDO.

Vance Brand (CAPCOM)

Yes. You really have to watch that pair, all right. By the way, we have a maneuver pad for you, a fly-by pad, whenever you're ready to copy.

Vance Brand (CAPCOM)

Okay, maneuver pad, purpose: fly-by, SPS/G&N; 63385; plus 0.97, minus 0.23; 072:24:33.08; plus 0212.7, minus 0141.7, minus 0254.8; 148, 316, 050; NA, plus 0022.5; 0360.9, 0:53, 0356.3; 33, 352.7, 15.0; NA, NA, NA. Starting with latitude, minus 23.26, minus 165.00; 1147.7, 36172; 166:54:02. Comments, GDC aline stars are 31, Arcturus; and 23, Denebola. R aline 288, pitch aline 205, yaw aline 034; ullage, none; other, burn is SPS docked. LM weight, 33499. Over.

Jim Lovell (CDR)

Our pad as follows: fly-by, SPS/G&N; 63385; plus 0.97, minus 0.23; 072:24:33.08; plus 0212.7, minus 0141.7, minus 0254.8; 148, 316, 050; NA, plus 0022.5; 0360.9, 0:53, 0356.3; 33, 352.7, 15.0; NA, NA, NA; minus 23.26, minus 165.00; 1147.7, 36172; 166:54:02; set stars 31, 23; roll is 288, pitch 205, yaw 034; no ullage; SPS docked; and LM weight, 33499.

Vance Brand (CAPCOM)

Roger. That's correct. Want to verify under NOUN 81 that DELTA-VX is plus 02127. You cut out right there.

Jim Lovell (CDR)

Roger. DELTA-VX is 02127.

Vance Brand (CAPCOM)

Roger. And your rates are low. Looks like you can start the PTC.

Vance Brand (CAPCOM)

Okay. And when the computer is available, request P00 and ACCEPT and we'll ship you your state vector.

Jim Lovell (CDR)

Wait until I get PTC going first, Vance, then we'll give it to you.

Jack Swigert (CMP)

Okay, Vance. We're P00 and ACCEPT. The computer's yours.

Jack Swigert (CMP)

You know, somehow, everytime I do a set of P23s, you guys uplink me a state vector. I don't think I do too well.

Jack Swigert (CMP)

I could get a complex.

Vance Brand (CAPCOM)

No. You know—you know how the FIDOs are. They like to load in their own data, no matter what.

Jack Swigert (CMP)

But our state vectors take into account the waste water dumps.

Vance Brand (CAPCOM)

Apollo 13, Houston. It's your computer again.

Vance Brand (CAPCOM)

And as a matter of interest, understand that the downrange comparison between the MCC and the computer is within 35000 feet, and that's on the last sighting, which people think is pretty good.

Jack Swigert (CMP)

Okay. Maybe that gives us a little more confidence that if we had to do P23s on the way home, we'd make it.

Vance Brand (CAPCOM)

No doubt about it.

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Spoken on April 13, 1970, 4:54 a.m. UTC (51 years, 8 months ago). Link to this transcript range is: Tweet

Vance Brand (CAPCOM)

Just info on your PTC, Jim. It's looking very good. Just—excursions in pitch and yaw are very low.

Jim Lovell (CDR)

Okay, thank you. And we're going to change another lithium hydroxide canister now.

Jack Swigert (CMP)

And, Vance. Has FIDO come up with any observations on the trajectory?

Vance Brand (CAPCOM)

Well, a minute ago, he said that to tell you that he was pacified now after your past comments on his trajectory and so forth, and he hadn't seen any waste water dumps or anything and he's pretty happy.

Jack Swigert (CMP)

Okay. I just wondered if we're going to need any more midcourse.

Vance Brand (CAPCOM)

He says, seriously, it's looking probably like you won't have any more.

Jack Swigert (CMP)

Hey, that's real fine.

Vance Brand (CAPCOM)

FIDOs never guarantee anything, however.

Jack Swigert (CMP)

Houston, 13. I have the onboard read-out, if you're ready to copy.

Jack Swigert (CMP)

Okay. BAT C 37, PYRO BAT A 37, PYRO BAT B 37, RCS A 97 percent, B 97 percent, C 96 percent, D 97 percent.

Vance Brand (CAPCOM)

Roger. We copy that. Thank you.

Vance Brand (CAPCOM)

Jim, just an item for you and Fred to be thinking about in case you haven't been briefed on this, something that's now being talked about a little bit. These conservative people would like to have you read the SHe tank pressure when you go into the LM for the LM familiarization at 58 hours. If there's no midcourse-3, and it looks like there's a good chance that there will not be, why, they might want to move the LM familiarization up from 58 to 55 hours. Over.

Jim Lovell (CDR)

Okay. If we don't have a midcourse-3, then we'll probably move LM FAM up to 55 hours, in which case we'll go in there and read SHe tank pressure.

Vance Brand (CAPCOM)

Roger. Along with the other FAM stuff, and it's not certain that we want to do this, it's just being talked about, so this is just the information for you.

Jim Lovell (CDR)

Okay. This is beginning to sound like the SIM that we ran not too long ago.

Vance Brand (CAPCOM)

I don't think it will be a very big deal.

Vance Brand (CAPCOM)

This is Houston. Go ahead.

Jack Swigert (CMP)

Okay, Vance. Our LM/CM DELTA-P is 0.9.

Vance Brand (CAPCOM)

Are you guys hacking into your presleep checklist yet?

Fred Haise (LMP)

Oh, we just finished eating and cleaning up a bit afterwards. Jim's going around collecting debris off of all the inlet hoses. And, I guess you might say we're kind of thinking about getting ready to go to sleep.

Vance Brand (CAPCOM)

Well, I hope you had a good meal.

Unidentified crew member

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