12 minutes to launch
 

Walker:	Data. #2 APU, and #1.
Chase:	Everything looks good out here, Joe.
Walker:	Generators reset and engine reset.
B-52:	12 minutes.
Walker:	Hydraulic pressure on #2 is 3400, #1 coming back down here. Controls and flaps. Precool off.
NASA 1:	Platform internal, Joe?
Walker:	Roger. Platform internal. MH circuit breakers on. And you can go ahead with your check, MH data coming on.
Butchart:	OK, we're starting the check now, Joe.
B-52:	11 minutes.
Chase:	Joe, did you check your flaps, I wasn't in a position to observe.
Butchart:	I saw them on TV.
Butchart:	OK, I got a temporary on 8. Going ahead.
Walker:	45,000 altitude, zero vertical velocity, 850 total velocity.
Butchart:	Failure on 15.
B-52:	10 minutes.
NASA 1:	Start your turn at 7 minutes.
B-52:	Heading 349.
Walker:	I'm reading 340.
Butchart:	Malfunction on 40 again, move your stick forward. OK, going ahead.
Walker:	Attitudes holding real good. Bearing temps are 75 and 60.
Butchart:	End of test light is on.
B-52:	7 minutes, in the turn.
Walker:	MH data off. Engine oscillograph on. Vibration recorders on.
NASA 1:	OK, Joe, the MH check was OK. We would like to reaffirm that with this overheat warning light on, there's a possibility of failure at the launch, we will leave this up to you.
Walker:	Rog.
Chase:	You're a little bit leading edge up out of trim.
Walker:	Yes, I show about 2°, which I corrected.
B-52:	Just past 6 minutes.
Walker:	OK, I already have the aux cabin pressure .switch on. Fire extinguisher to auto. And, engaging the MH-96, MH-96 and BCS will remain on. And, we're still in trim. Manual BCS on. Zero on the stabilizer.
Chase:	It looks better now, it's just a fraction nose-up.
B-52:	5 minutes.
Walker:	Got it. X-15 oxygen on at 2600.
NASA 1:	Joe, as long as you're in that turn, the stabilizer will be off just a little.
Walker:	I'll get the ventral.
B-52:	4 minutes.
Walker:	Data and calibrate.
NASA 1:	008 and 672, add 1 minute.
B-52:	OK, make it 5 at this time.
NASA 1:	Roger.
Walker:	Data is off and engine oscillograph is off. Just call me "sun-eyed" Joe.
Butchart:	Your doppler just went into memory, and it's cycling back and forth here.
B-52:	Just past 4 minutes again.
Walker:	Topoff OK, Butch?
Butchart:	Complete, Joe.
Walker:	Going to pressurize.
B-52:	How does your track look, heading 177 now?
NASA 1:	Joe, give us angle of attack check please.
Walker:	Reading 3°. Seem to be 50 on the LOX and 45 on fuel. Have on peroxide tank.
B-52:	3 minutes.
Walker:	Surfaces are zero. I'm on X-15 radio.
NASA 1:	Read you 5 square here.
Walker:	OK here. About 900 on inertial velocity, 45,000 and zero vertical. APU bearings are 50 and 70. Push to test ball now. Engine check OK.
B-52:	2 minutes.
Walker:	Both data. And, the stabilizer shows about +.5 and -.1.
Butchart:	I have about 800 on inertial velocity, Joe.
Walker:	It's holding 900.
NASA 1:	How's your attitude, Joe?
Walker:	Cine camera pulse. Attitude is OK.
NASA 1:	Joe, check your head bumper.
Walker:	OK, I'm not using it this trip.
B-52:	1 minute.
Walker:	Prime.
B-52:	Launch master on.
Walker:	Igniter ready light. Engine oscillograph.
B-52:	40 seconds to go, Joe.
Walker:	Igniter idle.
NASA 1:	Precool, Joe.
Walker:	I got it.
Butchart:	LOX pump bearing?
Walker:	-2. Pump idle. Don't have any igniter pressure!
Butchart:	It came up all right.
NASA 1:	We got it down here, Joe.
Walker:	Launch!
Chase:	You got a good light going. Bring her up, Joe.
Walker:	This is high q. Showing 540 on chamber pressure. Get this initial height.
NASA 1:	Looking good here, Joe. Coming up on profile. 30 seconds, you're a little flat. OK, your heading is looking good. Joe, you're building up.
Walker:	I'm all right.
NASA 1:	Roger. We have you less than 1 g down here. 60 seconds, 70 seconds. OK, we have brakes. 78, 79, 80 seconds. We have you 5700 fps at shutdown, Joe, your course is good, on profile. Profile is good. Coming up on 110 seconds, reaction control auto.
Walker:	I can't see for bees without holding my hand over may face!
NASA 1:	Roger. We have you coming just a little under profile, your heading is very good.
Walker:	BCS is working all right.
NASA 1:	Roger. Coming up on Racetrack, 115,000. Check your brakes, Joe.
Walker:	They were 20, I checked right after shutdown.
NASA 1:	Roger. Coming up on 160,000 and just a little right of course. We have you about a 1000 feet fast, just a little right of course, coming up on Owens Dry Lake. And you peaked out at about 158,000.
Walker:	I'm showing about 16° a. Had a little difficulty getting on up there on ........
NASA 1:	Roger. We had a temporary loss of radar here, we're doing fine now. We have you coming back down at 150,000 and 4600 fps. Still to the right of course, just a little. We have you showing about 60 q coming down hill. When you're ready, turn your reaction controls off. 4700 fps, Joe, 120,000. You are a little high on energy. OK, you're coming abeam of China Lake at 100,000. Your present heading is good.
Walker:	Somebody has got a stuck mic.
NASA 1:	We can hear you 5 square and a little dive brake here, coming 80,000. You're heading directly at Mojave at 70,000. Appearing to be coming level.
Walker:	Yep!
NASA 1:	Understand you have the lake in site?
Walker:	Rog. Momentary closure of the speed brakes and a pulse.
NASA 1:	Roger.
Walker:	High on q though.
NASA 1:	Roger. BCS off, engine master off?
Walker:	Yep. Both of them. Brakes back out.
NASA 1:	Roger . We have you about 8 miles, 5 miles north of Mojave. 3000 fps.
Chase:	What's his altitude?
NASA 1:	60,000. Start bending around to the left, Joe.
Walker:	50,000, Bob. 3033 ..........
NASA 1:	We have you 5° a, Joe. You are approaching Mach 2 and we have your speed brakes in. Coming out again. And you will be crossing north edge of Rosamond Dry Lake, heading east.
Walker:	Just about .......... point.
NASA 1:	Rog. You're looking very good at the present time. 1.5 Mach number. Will soon be going subsonic.
Walker:	I have about 75° right turn, left .......... at 40,000. 300 knots.
NASA 1:	You'll be coming subsonic, watch your angle of attack.
Walker:	5°, 500 knots.
NASA 1:	Rog.
Chase:	Going to jettison, Joe?
Walker:	OK, jettison now.
Chase:	I don't have you yet, what's your altitude?
Walker:	Coming through 29,000, down over the east end of runway 4. 23,000, closing the brakes.
NASA 1:	We have you in very good position here.
Walker:	OK, disengage .......... and flaps.
NASA 1:	Roger. Go to pressurize on 17.
Walker:	OK, pressurizing.
NASA 1:	Appears all you have to do now, Joe, is just land it.
Walker:	Yes Sir! We're on low key, slowly.
NASA 1:	And your altimeter setting 3033.
Walker:	Roger.
Chase:	Coming up behind you, Joe.
Walker:	OK. And final, flaps.
Chase:	Flap, gear working.
Walker:	And gear.
Chase:	3 good ones. 5 feet, 1, good touchdown.
NASA 1:	Real nice one, Joe.
Walker:	OK, MH system disengaged, in fact, it turns everything off with that breaker, doesn't it?
NASA 1:	Just about.
Walker:	And the oxygen turned off at about 1700 pounds. Cycling the controls. Push to test, calibrate. And data off. Holding here with about 3400 on #l hyd pressure and 3250 on #2. Both tanks are 550. #1 source is 1820, #2 is 2120. +70 and +90 on the bearings. -45 and -40 on mixing chambers. No low light. Flaps coming up. We're flat on helium source pressure at 1300 on #1 and #2. Cabin source is 1900. 3 axis ball is 188°. We're showing about 400 fps on velocity and 52,000 and 100 feet a second up. Speed brakes coming closed. Platform going off. Pressure cooling off and see you later!