Operation
T - 4 Hrs 30 Min Fill liquid oxygen tank
T - 2 Hrs 50 Min Fill liquid hydrogen tank
T - 2 Min 55 Sec Oxygen tank at flight pressure
T - 1 Min 57 Sec Hydrogen tank at flight pressure
T + 8 Min 50 Sec External tank separation
- ET detaches orbiter when 97% of orbital speed is attained
- ET falls through atmosphere and burns up landing in the Indian Ocean