Plane: X-15-3 Date: July 29, 1964
Flight: 3-31-52 T.O.: 1112
Pilot: Capt. Joe Engle Launch: 1155
B-52: #003 Land: 1203
Pilots: Lt. Col. Fulton/Maj. Bement Total: :8
NASA 1: Rushworth B-52 Land: 1220

13 Minutes to launch
 
Engle: APU cooling switch to normal. 
   
NASA 1: Roger. 
   
Engle: Blowers and BLN2 on. Pressure cooling on. Cabin source 3700. Helium shut-off valve coming open. 
   
NASA 1: Roger. 
   
Russel: What is your inertial altitude read, Joe? 
   
Engle: 45,000. 
   
Russel: Roger. What's it read now? 
   
Engle: 45,500.
   
Russel: I guess we are about 500 ahead of you on this indicator.
   
Engle: OK. 
   
B-52: 12 minutes. 
   
Chase: Are you ready for APU start? 
   
Engle: OK, APU # 2 coming on now. 
   
Chase: OK, got an exhaust. 
   
Engle: Pressure up and stabilized. #l coming on. 
   
Chase: .......... 
   
Engle: Generator reset. 
   
NASA 1: 2° left, Fitz. 
   
B-52: 2° left at 49. 
   
Engle: Engine reset. Hydraulic pressure steady, electrical power OK. Controls, Hank. 
   
Chase: Roger. 
   
B-52: 11 Minutes. 
   
NASA 1: Flap check, Henry. 
   
Chase: Flaps coming down. 
   
Engle: Flaps coming back up. 
   
Chase: Roger. 
   
Engle: OK. Flap circuit breakers are in, M-H engaged. 
   
NASA 1: MH OSC. (?)
   
Engle: Roger. Platform going internal. 
   
Russel: MH 96 analyzer check started. 
   
Engle: Ready for precool off, Bob? 
   
NASA 1: Affirmative. 
   
B-52: 10 Minutes now. Heading 49. 
   
NASA 1: Good to turn at 8, Fitz.
   
B-52: OK.
   
Russel: Doppler velocity 794. 
   
NASA 1: Roger. How does that check with you, Joe? 
   
Engle: I got about 910, Bob. 
   
NASA 1: Inertial and attitudes OK? 
   
Engle: Roger. 
   
Russel: Platform looks good. 
   
Engle: 2° on a and 1° on b
   
NASA 1: Very good. What is your mixing chamber, Joe? 
   
Engle: -50 on #1, -40 on #2. 
   
NASA 1: Roger. 
   
B-52: 8 Minutes starting turn. 
   
NASA 1: Right, Fitz. 
   
Chase: You got the check, Jack? 
   
Russel: Negative, couple .......... more to go.
   
B-52: 7 minutes. 
   
NASA 1: MH 96 end of test on. 
   
Engle: MH oscillograph is off. 
   
NASA 1: Roger, shallow your turn a little bit, Fitz. 
   
B-52: Roger. 
   
Engle: I'm coming to zero. 
   
Russel: NASA 1, range +1, cross range -1. 
   
NASA 1: Thank you. 
   
Chase: Vertical and horizontal both .......... , Joe. 
   
Engle: OK, thank you. 
   
B-52: 6 minutes. 
   
Engle: Auxiliary cabin pressure switch on. Blood pressure normal. MH is engaged.
   
Russel: Lube oil temp 115. 
   
NASA 1: Thank you. 
   
Chase: Are you moving the controls any yet? 
   
Engle: Roger ........... 
   
B-52: 5 minutes. 
   
Engle: Going X-15 now, oxygen 2800. Cabin altitude 35,000. 
   
Russel: Lox top-off complete. 
   
NASA 1: Back to normal turn, Fitz. 
   
B-52: Roger. Have you called 4, Bob? 
   
NASA 1: Affirmative, we'll call it 4 minutes now. 
   
B-52: Just passed 4 minutes, is that correct? 
   
NASA 1: Affirmative. 
   
Engle: Data on, calibrate. Tank handle going to pressurize.
   
B-52: Rolling out 230. 
   
Engle: Ammonia tank pressure 48.5. Lox about 49. 
   
NASA 1: Roger. 
   
Engle: Data off. 
   
NASA 1: Roger. 
   
Engle: Precool off. 
   
NASA 1: Roger. 
   
Engle: How do you read, Bob? 
   
NASA 1: Read you loud and clear, how do you read me?
   
Engle: OK, just a little bit fuzzy. 
   
NASA 1: 2° right, Fitz. 
   
B-52: Roger. 
   
Russel: What's your altitude read, Joe? 
   
Engle: 45,000, velocity still about 900 to 910. 
   
B-52: 3 minutes, 10 seconds to go. 
   
Engle: How do the surfaces look, Hank? 
   
Chase: Sure look good. Little trailing edge up. 
   
Engle: Good. 
   
Russel: Stable platform in spec. 
   
Engle: APU bearing temperatures, #1 70, #2 about 50. 
   
NASA 1: Roger. 
   
Engle: Delta psi on stand-by. 
   
NASA 1: Roger. 
   
Russel: Doppler velocity 753. 
   
NASA 1: 2° more right, Fitz. 
   
B-52: Roger, 2° right .......... and do you want me to use this heading for launch? 2 minutes. 
   
NASA 1: 232 for a launch heading. 
   
B-52: Roger. 
   
Engle: Data on. MH oscillograph on. Push to ball nose test. a is reading just a hair over 1 and b 1/2° left. Cine camera pulse. 
   
NASA 1: Roger. 
   
B-52: 1 minute to launch. 
   
NASA 1: 1 minute now. 
   
Engle: 40 seconds, prime. 
   
NASA 1: Roger. 
   
Engle: Igniter ready light. Pre-cool. Igniter idle. Tape to 15. 10 seconds, pump idle. 
   
NASA 1: Roger. 
   
Engle: OK, I got pressure, Bob.
   
NASA 1: Very good, very good. 
   
Engle: 3, 2, 1, drop. OK, I am on alpha, Bob. 
   
NASA 1: Track and profile are good, Joe. Coming up on theta, touch your throttle up. 
   
Engle: Roger, I am on theta. 
   
NASA 1: 50,000 feet, good track and good profile. 55,000. 
   
Engle: OK, ready for push over. 
   
NASA 1: Roger, 60,000. Very good track and profile, Joe. Very good track and profile. Stand by to reduce thrust slowly. Very good, speed brakes. Keep the nose up, Joe, keep the nose up. Check your alpha and H dot. Hold the nose up, hold the nose up, Joe. 
   
Engle: Will do, Bob, burnout. 
   
NASA 1: Very good, Joe. Should be approaching your turn now. 
   
Engle: OK, rolling in. 
   
NASA 1: Roger. Hold the nose up. Have 3.8 now, Joe. 
   
Engle: Roger. 
   
NASA 1: Roger. Very good profile. 220° inbound. OK, you can start down now. 
   
Engle: OK, speed brakes coming in. 
   
NASA 1: Roger, you can be slow on the speed brakes. A little high on energy. Everything looks good. OK, start down hill, Joe. Leave the brakes out, a little high on energy. Have you about 2.5. 
   
Engle: Roger, about 2.7 just about over Cuddeback, right? 
   
NASA 1: Right. 
   
Engle: OK. 
   
NASA 1: Track and profile are good. Good rate of descent. 2.3 on velocity. Do you want to try that auto switch when you get level and conditions?
   
Engle: OK, and I will try auto switch. 
   
NASA 1: OK. 
   
Engle: OK, its OK. 
   
NASA 1: OK, shut it off. 
   
Engle: Going back off, just in case. 
   
NASA 1: Roger. Have you 1.6. Speed brakes in. 
   
Engle: Roger. Speed brakes in. Engine master coming off.
   
NASA 1: OK, check your flaps and squat circuit breakers now. 
   
Engle: Roger. Circuit breakers going in. 
   
NASA 1: Chase 3, call his jettison any time. 
   
Engle: OK, ready for jettison, Chase 3. 
   
Chase: Roger, go to jettison. 
   
NASA 1: 1.2 at 45 - five miles out, got the field in sight? Just about sub-sonic. 
   
Engle: Roger, I'm sub-sonic now, Russ. 
   
Chase: Right, I still don't have you. 
   
Engle: OK, I'm just about over North Base, Russ, at 39,000. 
   
Chase: Roger, Joe. Tally-ho. 
   
Engle: Very good, 290 knots, Russ. Over hi-key now. 
   
Chase 2: Has tally-ho. 
   
NASA 1: You have your flaps and circuit breakers, squat?
   
Engle: Circuit breakers in, Bob. 
   
NASA 1: Thank you. 
   
Engle: Thank you! 
   
NASA 1: Roger. Approaching 20,000 feet. 
   
Engle: Approaching what? 
   
NASA 1: Two zero thousand. 
   
Engle: I got 27 indicated in here. 
   
Chase: 26 right now, Joe. 
   
Engle: Very good. .......... 
   
NASA 1: OK. 
   
Chase: 23 and 340. 
   
Engle: Roger. 
   
NASA 1: You should go to pressurize any time. 
   
Engle: OK, I'm 20,000, going to pressurize. 
   
NASA 1: Roger. 
   
Chase: Coming down on 18. 
   
Engle: Roger. 
   
NASA 1: Set up your trim for landing, Joe. 
   
Engle: Roger. Thank you, Bob. Flaps are coming, Russ. 
   
Chase: Flaps are coming down. 
   
Engle: And gear. 
   
Chase: 3 good gear, 5 feet, 2, 1, perfect. 
   
Engle: OK, just about to stop. 3 axis ball heading is 187°.