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Charlie Duke
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Is the question, “Have we run a—an alinement in the docked configuration?” That is affirmative.
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Jim Lovell (CDR)
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Okay. Did you have any trouble controlling the vehicle, and what techniques did you use?
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Charlie Duke
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Briefly, to control pitch and roll, use the TTCA, as we've practiced; for yaw you can use the ACA. Over.
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Jim Lovell (CDR)
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Okay. You have no special techniques going back and forth between the yaw and the X and Y lines. Over.
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Charlie Duke
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Not right now, Jim. Dave Scott's been running these things and we'll get them up to you shortly. Over.
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Charlie Duke
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We think the alinement's going to be okay, so we don't have to do this P52 fullup alinement. We think the check is going to be okay. Like to remind you since you are in ATT—if check does not pass, since you are in attitude for the Sun, that we'd—We want the Sun half-unit vectors first. Over.
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Jim Lovell (CDR)
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Okay, Houston. It's been over an hour since we did our last PTC. You want us to do another one now?
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Charlie Duke
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Aquarius, Houston. We'd like you to go ahead and yaw 90 for the PTC. Keep a close eye out on your middle gimbal angle. You're about 30 degrees from gimhal lock, and we'll call you an OMNI switch halfway through the maneuver. Over.
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Fred Haise (LMP)
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Okay. And, Houston, Aquarius. You might know when you've had enough ranging so we can get the power amp back off again.
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Charlie Duke
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Roger, Fred-o. We got one more procedure, and we can shut it down, and that's to get the needles and the FDAI for this maneuver. That 5018 could take you to gimbal lock, and we think it's a good idea to power up the commander's ball. We've got a four-stepper, if you're ready to copy. Over.
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Charlie Duke
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Okay. Verify that you got AC power, in other words, the INVERTER 2 selected and the BUS TIE INVERTER 2 AC BUS A closed. We'll be under FLIGHT DISPLAYS, GASTA closed, commander FDAI, closed. On the AC BUS A, CBs GASTA closed, CONBIANDER FDAI closed. Over.
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Fred Haise (LMP)
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Okay. It's verify we have AC, which is panel 16 INVERTER 2 closed. CB INVERTER 2 closed. Then on panel 11 under FLIGHT DISPLAYS, we want the GASTA and the COMMANDER's FDAI breakers closed. Also under panel 11, AC BUS A GASTA and COMMANDER's FDAI breakers closed.
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Charlie Duke
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Aquarius, Houston. After the OMNI switch, we would like you to get the ranging off, the VOICE switch to DOWN VOICE BACKUP, and the POWER AMP CB on 16 open. Over.
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Fred Haise (LMP)
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Okay. After the OMNI switch, we'll get the POWER AMP off and go back to DOWN VOICE BACKUP FTA and the RANGING off. It's your call.
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Charlie Duke
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Fred-o, we got about 2 minutes to the OMNI switch. You can go ahead and power the RANGING down and and the DOWN VOICE BACKUP, and we'll give you a call on OMNI switch. Over.
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Fred Haise (LMP)
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Okay. Vance, if Buzz or Neil are around you might ask them if they had to use the AOT lamps to shoot the Sun like they did on 11.
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Vance Brand (CAPCOM)
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Fred, breaking in. You're very weak. Understand if Buzz or Neil are down here, you'd like to ask them if they used the AOT lamp to what? Over.
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Jim Lovell (CDR)
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To see the Sun, Vance. It might be possible to see the reticle without even having the light on.
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Vance Brand (CAPCOM)
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Oh, I see. See if it's possible to see the reticle without the light on. Okay. We'll make a check. And one other thing, you might move that rendezvous radar antenna to park any time now. You can start any time you want.
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Vance Brand (CAPCOM)
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Jim, Neil is here. He advises that you will not need the lamp on for the Sun check but that you will need it on for the Earth check. Over.
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Jim Lovell (CDR)
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Okay. Let me—First of all, let me see how we're doing here. That's going down. That's better. That's coming up. That's right. Let's—Okay. Let's park the radar. How—How long is it going to take?
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Fred Haise (LMP)
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Not too long. Okay, INVERTER 2 … Here, hold the light for me, Jim. Right here on the … panel. Hold it still. … AC BUS A BUS TIE.
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Vance Brand (CAPCOM)
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Roger. One correction. We think that the cheapest way for you to maneuver to change attitude is with minimum pulse ACA. That's to do the star mark.
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Jim Lovell (CDR)
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We had—Okay. As soon as possible we'll get that star data … we can get to maneuver attitude by using TTCA.
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Jim Lovell (CDR)
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And, just out of curiosity, we got rid of the radar very nicely. It's hanging right in the middle of the—the forward digit is the docking light on the command module. Can you believe that? I don't think it will hurt our Sun check, but it'll sure make P52 …
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Fred Haise (LMP)
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Okay. Jim thinks he heard something different than I copied on the DAP load. Is REGISTER 1 supposed to be 31120?
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Jim Lovell (CDR)
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Just want to get a time check with you. When do you want us to start powering up the ball? We just got to our PTC attitude.
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Fred Haise (LMP)
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Yes. The ball inside the maneuver, we think it will take us about 15 minutes to get there. We'd like you to confirm that.
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Jim Lovell (CDR)
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Okay, Houston; Aquarius. I'd just like to do the little Sun check. Do you want me to do it now?
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Vance Brand (CAPCOM)
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Jim, Roger. We just came up with a maneuver time of approximately 15 minutes, so if you start any time between now and about the next 2 minutes it would get you into attitude by 73:15. Over.
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Fred Haise (LMP)
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Okay … on this … vector. Okay, R1 plus 45498 … Okay, plus 190 …, plus 08256. Okay, now we show zips … Okay. VERB 62 ENTER. Okay. … and the main … in AUTO … …
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Fred Haise (LMP)
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And be advised, Vance, that we are getting several echos in our COMM downlink here.
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Vance Brand (CAPCOM)
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Jim, request you give us high bit rate now. We might be able to fix you up on the 120 antenna.
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Vance Brand (CAPCOM)
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Fred, we can't lock up on your high bit rate. Request you go back low bit rate.
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Vance Brand (CAPCOM)
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Roger. Advise, we are not locking up on your high bit rate, so you can go back low bit rate. Over.
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Fred Haise (LMP)
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They'll have to give you AC again and you punch in your breaker -Well, let's see—I've still got HP on for the FDAIs, so you're in business now. All you need is the lamp breaker, the AC BUS A AOT lamp breaker, that is.
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Jim Lovell (CDR)
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Yes, yaw's coming back in.
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Jim Lovell (CDR)
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It's not quite centered, but it's about a diameter, a little bit less than a diameter, just to one side.
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Fred Haise (LMP)
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Okay. And, Houston, can we proceed with our powerdown now? Getting the ball back off and AOT lamp, et cetera, AC secured.
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Fred Haise (LMP)
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— the ball … get back to—Okay. What we'd like now, I guess, is the next attitude to go to, Vance, and we will work on getting there while we still have the ball.
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Vance Brand (CAPCOM)
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Jim, in a moment we will have an attitude for you to go to, and recommend that you keep your FDAI up while maneuvering to that attitude. After you get there, then we will have you widen the deadband and eventually go into a PTC about the burn attitude.
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Vance Brand (CAPCOM)
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Roger. We will have an attitude for you to maneuver to in a moment. And you should leave your FDAI up for that. The attitude is as follows if you are ready to copy. Over.
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Vance Brand (CAPCOM)
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Okay. This is FDAI attitudes for the maneuver. Yaw 060 degrees, pitch 083 degrees, roll 272 degrees.
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Jim Lovell (CDR)
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Let's not read that in the R1, R2. I don't want VERB 69 twice. I want VERB 49, 58g's so I can fly the needle.
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Jim Lovell (CDR)
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Okay. I understand, Vance. It's much easier if the ball is up to fly the needles; that gives me a drift of VERB 49, 58g maneuver. We could fly that manually.
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Vance Brand (CAPCOM)
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Okay. Stand by on that, Fred. First, let me read up your VERB 49 attitude, if you are ready to copy.
Spoken on April 14, 1970, 8:07 p.m. UTC (54 years, 7 months ago). Link to this transcript range is: Tweet
