Transcript from the Challenger tape
WASHINGTON --Here is a transcript of the tape of the space shuttle Challenger's internal intercom system from the moment of liftoff:
Liftoff: Mission Specialist Judith A. Resnik -- "Aaall riiight."
1 second: Pilot Michael J. Smith -- "Here we go."
7 seconds: Cmdr. Francis R. "Dick" Scobee -- "Houston, Challenger roll program." (Normal initiation of vehicle roll.)
11 seconds: Smith -- "Go, you mother."
14 seconds: Resnik -- "LVLH." (Reminder for a cockpit switch change, local vertical-local horizontal.)
15 seconds: Resnik -- "Expletive hot."
16 seconds: Scobee -- "Ooohh kaaay."
19 seconds: Smith -- "Looks like we've got a lot of wind here today."
20 seconds: Scobee -- "Yeah."
22 seconds: Scobee -- "It's a little hard to see out my window here."
28 seconds: Smith -- "There's 10,000 and mach-point-5." (Half the speed of sound.)
30 seconds: garble
35 seconds: Scobee -- "Point-nine." (Routine velocity report at 0.9 mach.)
40 seconds: Smith -- "There's mach 1."
41 seconds: Scobee -- "Going through 19,000." (Feet.)
43 seconds: Scobee -- "OK, we're throttling down." (Normal thrust reduction.)
57 seconds: Scobee -- "Throttling up." (Normal throttle increase to 104 percent of engine thrust.)
58 seconds: Smith -- "Throttle up."
59 seconds: Scobee -- "Roger."
60 seconds: Smith -- "Feel that mother go."
60 seconds: Unidentified -- "Woooooo hooooo."
62 seconds: Smith -- "35,000 going through one-point-five." (Altitude of 35,000 feet and speed of 1.5 mach.)
65 seconds: Scobee -- "Reading 486 on mine." (Routine air speed check.)
67 seconds: Smith -- "Yep, that's what I've got, too."
70 seconds: Scobee -- "Roger, go at throttle up."
73 seconds: Smith -- "Uh-oh."
73 seconds: loss of all data.
Teacher Christa McAuliffe and mission specialists Ronald McNair and Gregory B. Jarvis are not heard on the recording. 