Jack Lousma (CAPCOM)

Okay, Aquarius. On my mark, it's going to be 34 minutes to the burn, and you'll be reading 36. Stand by.

Fred Haise (LMP)

Okay. We got it cranked up.

Jim Lovell (CDR)

Okay, Houston. We have our attitude set.

Jim Lovell (CDR)

I hope the guys in the back room who thought this up right knew what they were saying.

Fred Haise (LMP)

And I'm looking through the AOT there, Jack, and the Sun's right in the top and it's about maybe 2 degrees to the right of the cursor. So that looks real good.

Jack Lousma (CAPCOM)

Okay, Aquarius. The attitude looks good here and your choice when you want to start the burn.

Jim Lovell (CDR)

We're counting down, aren't we, or do you want us to start any time?

Jim Lovell (CDR)

You guys are getting easy.

Jack Lousma (CAPCOM)

It's not time critical, Jim.

Fred Haise (LMP)

And, Houston, we reset our clock and we're making the burn in about—I'll give you a hack here at 2 minutes to go.

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Jack Lousma (CAPCOM)

Roger, Fred. And let us know when you're going to ullage, will you?

Fred Haise (LMP)

Okay. Stand by. 2, 1.

Fred Haise (LMP)

Three minutes to go. Correction, 2 minutes to go, Jack.

Jack Lousma (CAPCOM)

Roger. Two minutes. We got it.

Jack Lousma (CAPCOM)

Aquarius, Houston. Check engine gimbal off, please.

Fred Haise (LMP)

It's verified to off. And -

Fred Haise (LMP)

ENGINE ARM to DESCENT.

Fred Haise (LMP)

Okay. You're looking at 470.

Fred Haise (LMP)

Roger. 7.4 and I had about 0.2 showing, I guess, when we started.

Jack Lousma (CAPCOM)

Roger. We verify that, Okay, Aquarius. Trim it to 7.6.

Fred Haise (LMP)

Okay. You want plus-X now to get 7.6. Is that correct?

Fred Haise (LMP)

Okay. You're looking at it, Houston.

Jack Lousma (CAPCOM)

Okay. Looks good. Nice work.

Jack Lousma (CAPCOM)

Okay, Aquarius. We're ready to follow you through on setting up PTC and powerdown. Your choice.

Fred Haise (LMP)

Okay. We're pressing into getting PTC established right now.

Jack Lousma (CAPCOM)

Aquarius, Houston. We'd like to change the number of yaw pulses we gave you before as 21. We'd like to reduce that to 12. Twelve pulses yaw right, and that'll take you about 3 seconds to get them in if you don't want to count them.

Fred Haise (LMP)

Okay. We'll make it 12 versus 21.

Jim Lovell (CDR)

Okay, Houston. I'm just about there now and as soon as I get 90, we'll start damping rates.

Jim Lovell (CDR)

Okay, Houston. I'm trying to damp rates now. We're at the proper roll attitude and pitch.

Jack Lousma (CAPCOM)

Working a little bit better this time.

Jim Lovell (CDR)

Are you copying any attitudes down there, rates, et cetera?

Jack Lousma (CAPCOM)

Okay, Aquarius. We're seeing some extremely low rates at this time, really below our capability to measure them.

Jim Lovell (CDR)

Houston, I think I've got pitch and roll just about squared away. I let yaw just slightly drift; it's drifting in a clockwise direction and I'm about all set now to put in my 12 clicks to the right.

Jack Lousma (CAPCOM)

Roger, Jim. Ready to look at it with you.

Fred Haise (LMP)

Okay, Jack. Are we clear now to proceed with the powerdown?

Jack Lousma (CAPCOM)

That's affirmative, Fred. We're ready to press on with powerdown. I've got two changes for you. Step 1 of the emergency powerdown on page power—5. Over.

Jack Lousma (CAPCOM)

Okay. Leave your POWER AMPLIFIER switch in PRIMARY vice OFF and put your RANGING switch to RANGE, vice OFF/RESET.

Fred Haise (LMP)

Okay. We're in PRIM in the POWER AMP and RANGING on RANGING.

Jim Lovell (CDR)

Okay. I'm going to pull. Well, here, let's just look at the checklist.

Fred Haise (LMP)

Okay. Configure CBs. There you go.

Jack Lousma (CAPCOM)

Aquarius, Houston, hold off 1 on powerdown, please.

Fred Haise (LMP)

Okay. We'll hold off. And we're looking at a SHe pressure, incidentally, of about 1830 now.

Jack Lousma (CAPCOM)

Roger. We concur with that. And it looks like you got a little pitch rate going on here. Do you copy the same?

Jim Lovell (CDR)

Okay. My pitch needle is just slightly up now. I could try to take it out if you want me to.

Fred Haise (LMP)

Not—Wait, wait. There you go.

Jack Lousma (CAPCOM)

Just hold off on it 1, Jim. We'd like to take a look at it.

Jack Lousma (CAPCOM)

Aquarius, we'll need high bit rate, please.

Fred Haise (LMP)

Flashlight, Jack. Jack, flashlight over here a minute.

Jack Lousma (CAPCOM)

Aquarius, we need the POWER AMPLIFIER back in high bit rate, please.

Jim Lovell (CDR)

You got a couple in the roll pretty soon.

Jim Lovell (CDR)

You have another set of them by the PGNS.

Jim Lovell (CDR)

Now we got to turn on the heaters you want to save -

Jim Lovell (CDR)

What's that flitting out there in the breeze? Are we venting again? Take a look, Jack.

Jim Lovell (CDR)

Well, once we get squared away, Joe, I think I am going to have to go to the space center and take a good healthy one and leave just about everything. I've held up long enough.

Fred Haise (LMP)

That's coming from above. Another one just—is just coming down right over here. Well, there's the old terminator at Fra Mauro. We'd been landing about 2 hours ago, huh? Right on the —

Fred Haise (LMP)

— to the right of the terminator.

Jim Lovell (CDR)

Just for information, although I thought I'd never have to use it, that technique looked like it was a pretty good one.

Jack Lousma (CAPCOM)

Roger, Jim. And we'd like you to give us your idea of how the PTC looks. We're not sure we're seeing what we ought to here.

Jim Lovell (CDR)

Okay. I still have my ball powered up and I'm coming around past 270 right now. I've got a slight roll and pitch offset in there. My pitch needle about halfway up and my roll needle is about 4 degrees over now.

Jack Lousma (CAPCOM)

Okay, Jim. With that info we'll go on the PTC, and let's proceed with the powerdown.

Jim Lovell (CDR)

Okay. We'll proceed with the PTC and proceed with the powerdown. I guess if we have to we can reestablish PTC at a later date. Okay. Okay.

Fred Haise (LMP)

First row. Ullage. AGS.

Fred Haise (LMP)

My what? My what? Oh, yes. Go ahead.

Jim Lovell (CDR)

Okay. The four INVERTERS of this AC BUS volt, Fred.

Jim Lovell (CDR)

Okay. Let's—give the last thing to Jack and I'll keep it all out. Okay? RCS SYSTEM A. That's in. TCAs are going off. Why do they need the ISOL valves in the ASCENT FEED in?

Fred Haise (LMP)

You're not sucking any power unless you take these switches and move them.

Jim Lovell (CDR)

How come we pulled them out, then, in this burn?

Fred Haise (LMP)

Because you didn't want them to get moved inadvertently, I guess. It doesn't matter, Jim, they can be out or in in terms of powerdown. They just don't count.

Fred Haise (LMP)

ISOL valve should be in 2.

Jim Lovell (CDR)

Yes. Okay. Third row. Attitude DIRECT CONTROL I still have in.

Fred Haise (LMP)

Jack, how do you read now in baseband?

Jack Lousma (CAPCOM)

Reading you 5-square, Fred. How me?

Fred Haise (LMP)

Okay. I'll stay this mode, if it's all right, so we won't be hot miked.

Jack Lousma (CAPCOM)

Aquarius, Houston. You're cleared to open the POWER AMPLIFIER circuit breaker and go to LOW BIT RATE, leaving the POWER AMP switch in PRIMARY.

Fred Haise (LMP)

Okay. I'll pull the prime S-BAND POWER AMP breaker and go LOW BIT RATE.

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Spoken on April 16, 1970, 4:28 a.m. UTC (51 years, 7 months ago). Link to this transcript range is: Tweet

Fred Haise (LMP)

About how far out are we now, Jack?

Jack Lousma (CAPCOM)

Okay, Aquarius. You're 150 000 miles and you're coming in at 4500 feet a second. That's from the Earth.

Fred Haise (LMP)

Okay. We're at 100—Yes. 150 K, 4500 feet a second.

Jack Lousma (CAPCOM)

And, Aquarius, how much TTCA control did you have to do in the burn?

Fred Haise (LMP)

How much—What was that, Jack?

Jack Lousma (CAPCOM)

How much control of the TTCA did you have to do during the burn?

Fred Haise (LMP)

I wasn't noticing Jim too much. I'd say I put in maybe about six or seven inputs. I don't think it ever got off more than a couple of needle widths.

Fred Haise (LMP)

I think it's probably the same for Jim. I wasn't noticing his input but the—his needle was hanging in there pretty good.

Jack Lousma (CAPCOM)

Aquarius, Houston. How do you read?

Jack Swigert (CMP)

I read you loud and clear, Jack.

Jack Lousma (CAPCOM)

Okay, Jack. What's your status, who's sleeping, and who's working?

Jack Swigert (CMP)

Well, right now we're all three kind of working. Do you have any recommendations?

Jack Lousma (CAPCOM)

Yes, looks like to us from here that you and Fred ought to get some sleep, and that you ought to eat in about 6 hours. And that the Skipper ought to go to bed about 113 hours.

Jack Lousma (CAPCOM)

I've got some other information. We shouldn't have some good dope on your trajectory for about 2 hours. Looked like to us that the burn was real good, however, and we're taking a close look at it, and we'll get back with you on that in about 2 hours from now. Another thing that we're expecting to have happen is that the SHe tank is going to reach its burst limit. The earliest time we predict this will happen will be at 107 hours on about 25 minutes. And the latest probable time is at 110 hours, and this is supposed to be a nonpropulsive vent, but you might hear it and you might see something.

Jack Swigert (CMP)

Okay. That's good news. We were wondering about that. And I'll relay all the other information you gave me.

Jack Lousma (CAPCOM)

Okay. And if the SHe tank does burst during this time frame before we get trajectory info, why, that will delay our trajectory info somewhat. Your consumables, your water is now good through 152 hours.

Jack Swigert (CMP)

Jack, wait a minute. Let me copy some of this down.

Jack Lousma (CAPCOM)

Okay. We're predicting that you still have more water than you need. And one thing we'd like for you to do is when you're going to sleep up there in the command module take a look through the optics and see if you can see any stars.

Jack Swigert (CMP)

Okay, Jack, I will do. Jim and I were able to spot constellations from the windows of the LM when there's no venting taking place. Could you give me some time on these consumables, what you're predicting they're good for? I think you started to give them times, didn't you, or was I just hearing things.

Jack Lousma (CAPCOM)

We started to give you some times. We think we might be able to give you some better ones pretty soon. But it looks like your water is good through 154 hours, and you've got takusan O2 through 272 hours, plenty of lithium hydroxide, and your amp-hours ought to be good through 199 or 200 hours. Over.

Jack Swigert (CMP)

Okay; good. Copy that.

Jack Lousma (CAPCOM)

We expect that your water rate is going to drop off and at the time, DELTA will go up to 160—165 hours quite shortly. Another thing we're interested in is what's your status on rest and medication.

Jack Swigert (CMP)

Okay. None of us, I know of, had any medications, and right now as far as rest, I suppose we're no tireder than normally in this situation. I'm going to relay the work-sleep cycle.

Jack Lousma (CAPCOM)

Okay. And don't forget to look through the optics when you go up in the command module.

Jack Swigert (CMP)

(Laughter) Okay. I'll do that.

Jack Swigert (CMP)

Jack, as luck would have it, we just now started to vent a little from the command module …

Jack Lousma (CAPCOM)

Aquarius, Houston. Sorry about that but there's too much background noise to read you. I think we'll have to wait until you come up on a new antenna. Over.

Jack Lousma (CAPCOM)

Okay, Aquarius. Go ahead now. I think I can hear you.

Jack Swigert (CMP)

Okay. Okay, Jack. I was going to say, as luck would have it, the command module picked this time to start venting again, so I probably won't be able to get a good hack out of stars out of the telescope.

Jack Lousma (CAPCOM)

Okay. Thank you. And if you can think of it, when the time comes up, when you're not venting how about remembering to take a look through them and give us a word?

Jack Lousma (CAPCOM)

Aquarius, Houston. Did you call?

Jack Swigert (CMP)

Yes, Jack. I just got a question. How long are you predicting our command module canisters to last in here?

Jack Lousma (CAPCOM)

Okay, Jack. We've got 14 cartridges that'll last 157 hours, plus we've got the LM primary cartridge with 23 hours, and we've got two PLSS cartridges with 7 hours apiece.

Jack Swigert (CMP)

Okay. I was just curious as to how much time we've got out of these two cartridges.

Jack Lousma (CAPCOM)

Stand by 1. I'll get a prediction on that. By the way, I hope you're keeping track of the ones you've used and the ones you've not.

Jack Swigert (CMP)

Yes, right now, we have numbers 7 and 8 in the LM here.