Positions              Student Names
----------          --------------------

PILOT               ____________________

COMMANDER           ____________________

LAB # 1             ____________________

LAB # 2             ____________________

MEDICAL OFFICER     ____________________

PAO # 1             ____________________

PAO # 2             ____________________

CAPCOM              ____________________

NAVIGATION          ____________________

M. E. 1             ____________________

LAUNCH CONTROL      ____________________

METEOROLOGIST       ____________________

FLIGHT DIRECTOR     ____________________


PAO # 1:    This is the Public Affairs Officer at Ground Control in
Brownsville, Texas.  The final countdown for STS-30 has begun at
______ AM/ PM on June ___ , 199__ .  The ground crew has begun
filling the liquid-oxygen tank and the liquid-hydrogen tank in the
external tank.  The astronauts have entered the Orbiter through the
access hatch and are stowing their gear. We are now at T - ______
minutes to liftoff.

Launch Control:  Columbia II, this is Launch Control.  Radio check,
over.

Commander:   Roger, out.

CAPCOM:  Columbia II, this is Mission Control.  Radio check, over.

Commander:   Roger, out.

PAO # 2:  Radio communications between Launch Control, Mission
Control, and the Orbiter have been checked   at T - ______   minutes
to liftoff.

CAPCOM:  Columbia II, this is Launch Control.  Ready abort advisory
check.

Lab # 1:  Roger, check is satisfactory, out.

PAO # 1:  Launch Control has lighted the abort light on the front
instrument panel.

CAPCOM:  Columbia II, this is Control.  Side hatch is secure.

Lab # 2:  Roger, we copy.

PAO # 1:  The ground crew has closed and secured the hatch. Medical
Officer Control, this is Columbia II.  We show normal cabin
pressure, over.

CAPCOM:  Roger, out.

PAO # 2:  Both cabin vent switches have been closed.  We are now at
T - ______ minutes to liftoff.

Pilot:  Control, this is Columbia II.  Inertial measurement
alignment complete. We show two-eight degrees,   three-six minutes,
three-zero point three-two seconds   north, by eight-zero degrees,
three-six minutes one- four point eight-eight seconds west.  Over.

Navigation:  Roger, Columbia II.  Out.

PAO # 1:  Latitude and longitude of launch pad 39A at Kennedy Space
Center has been confirmed.

Lab # 1:  Control, this is Columbia II.  Boiler control switch ON.
Nitrogen supply switch ON, over.

CAPCOM:  Roger, out.

PAO # 2:  The Commander has confirmed boiler control  switches 1, 2,
and 3 are now ON; nitrogen supply switches 1, 2, and 3 are now ON.

Pilot:  Control, this is Columbia II.  General purpose computer,
backup flight system complete.

CAPCOM:  Roger, out.

PAO # 1:  The main flight software and its backup have been loaded
at T - ______ minutes to liftoff.

CAPCOM:  Columbia II, this is Control.  Ground crew is secure, over.

Commander:  Roger, out.

PAO # 2:  The ground crew has secured the white room and has retired
to the fall back area. The orbital maneuvering  system (OMS) has
been pressurized. The cabin   pressure has been checked and is
normal at 16 point  7 p s i .  The cabin will now be vented at T -
______ minutes to liftoff. Lab # 2 Control, this is Columbia II.
OMS pressure ON . . .    Cabin vent complete, over.

CAPCOM:  Roger, we see that, out.

PAO # 1:  Control has confirmed that the cabin pressure has
decreased.

Commander:  Control, this is Columbia II.  Commander's voice check,
over.

CAPCOM:  Roger, out.

Lab # 1:  Control, this is the pilot; voice check, over.

PAO # 2:  The commander and pilot have conducted voice checks with
Mission Control center.  The vent valves have been closed.  The
pilot will now load flight plan OPS-1 into the computer.  We are now
at T - ______ minutes to liftoff.

Pilot:  Control, this is Columbia II.  Flight plan is loaded into
the computer, over.

CAPCOM:  Roger, out.

PAO # 1:  The pilot will now enter SPEC99 and OPS101 on the
keyboard. This controls the Shuttle from T-20  minutes until
lift-off.  The main propulsion system  helium has been pressurized.
We are now at T - ______ minutes to liftoff. CAPCOM  Columbia II,
this is Control. We will conduct the  abort check, over.

Lab # 2:  Roger.  Looks good, out.

PAO # 2:  Mission Control has cycled the ABORT light  bright, dim,
then off, three times.

Medical Officer:  Control, what are the current weather conditions?

Meteorologist:  M.E.1, do you copy?  What is your status?

M.E. 1:   We are orbiting Cape Kennedy at 54,000 feet, over.

Commander:  M. E. 1, this is Columbia II.  What are the current
weather conditions over Kennedy?  Over.

M. E. 1:  Columbia II, this is M. E. 1.  Temperature is 45 degrees
Fahrenheit. Humidity is at 30 percent.  Winds are out of the north,
northeast at 15 mph, gusts to 25 mph.  Barometric pressure stands at
30.31 inches, and the weather is partly cloudy, over.

Pilot:  M. E. 1, this is Columbia II.  We copy, out.

PAO # 1:  Weather conditions are nominal at T - ______  minutes to
liftoff.

Medical Officer:  Control, this is Columbia II.  Event timer started.

CAPCOM:  Roger, Columbia II.  Out.

PAO # 2:  The EVENT TIME indicator has started and is now counting
down.  The automatic ground launch sequencer has started.  The
alternating current sensor switches have been switched off for one
second, then switched to MONITOR.  The crew access arm has retracted
at T - ______ minutes to liftoff. CAPCOM Columbia II, this is
Control.  Initiate APU prestart procedure, over.

Lab # 1:  Roger, out.

PAO # 1:  The three auxiliary power units which power the Orbiter's
hydraulic system for operation have been  started.  The pilot and
commander have checked the boiler supply nitrogen supply switches,
boiler control power switches, boiler control power/heater switches,
the auxiliary power unit fuel tank valves, and the auxiliary power
unit fuel pump valves.  The auxiliary power unit controller power
switches are all ON at T - ______    minutes to liftoff.

PAO # 2:  The hydraulic circulation pump switches, auxiliary power
unit auto shut down switches, auxiliary power unit speed selection
switches, and auxiliary power unit control switches have all been
checked.  The hydraulic main pump pressure selector switches have
been changed to LO. The auxiliary power unit fuel tank valves are
now OPEN at T - ______ minutes to liftoff.

Pilot:  Control, this is Columbia II.  Prestart complete. Powering
up APU's, over.

CAPCOM:  APU's look good, out.

PAO # 1:  The hydraulic pressure indicator shows HI GREEN. The
hydraulic circulation pump switches are now OFF.  The hydraulic
pressure light is now OFF.  We are now at T - ______ minutes to
liftoff.

CAPCOM:  Columbia II, this is Control.  You are on internal power,
over.

Commander:  Roger, out. PAO # 2 The Orbiter has switched to internal
power at T - ______ minutes to liftoff.

CAPCOM:  Columbia II, this is Control.  Hydraulic check complete,
over.

Lab # 2:  Roger, out.

PAO # 1:  The Orbiter aero surfaces have been moved to condition the
hydraulic system.

CAPCOM:  Columbia II, this is Control.  Main engine gimbal complete,
over.

Lab # 1:  Roger, out.

PAO # 2:  The Orbiter main engines have gimbaled (swiveled) to their
launch positions at T - ______ minutes to  liftoff.

CAPCOM:  Columbia II, this is Control.  O-two vents closed.  Looks
good, out.

Medical Officer:  Roger, out.

PAO # 1:  The external tank oxygen vents have been closed; the
liquid-oxygen tank has begun pressurizing at T - ______ minutes to
liftoff.

Commander:  Control, this is Columbia II.  APU to inhibit,  over.

CAPCOM:  Roger, we copy Columbia II.  Out.

PAO # 2:  The audio volume control has been adjusted.  The auxiliary
power units have been set to INHIBIT.

CAPCOM:  Medical Officer, report on the condition of the crew, over.
Medical Officer Control, this is Columbia II.  The crew is in
excellent condition and is eager to go!

CAPCOM:  Roger, Columbia II.  Out.

PAO # 1:  The medical officer aboard the Columbia II has reported on
the condition of the crew at T - ______  minutes to liftoff.

CAPCOM:  Columbia II, this is Control.  H-two tank pressurization
OK. You are go for launch,  over.

Lab # 2:  Roger, go for launch, over.

PAO # 2:  The external tank hydrogen vents have been closed, and
liquid-hydrogen tank pressure is building up for flight at T -
______ minutes to liftoff.

CAPCOM:  Columbia II, this is Control.  APU start is go. You are on
your on-board computer, over.

Lab # 1:  Roger, out.

PAO # 1:  The solid rocket booster auxiliary power units have
started. The management of countdown has switched to the onboard
computers.

Flight Director:  15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4 . . .

PAO # 2:  The solid rocket boosters have ignited, and we have LIFT
OFF!! The Columbia II has cleared the tower.

CAPCOM:  The tower has been cleared.  All engines look good.
Beginning roll maneuver.

PAO # 1:  120 degree roll into "heads down" position starts.  We are
now at T + _______ minutes after launch.

CAPCOM:  Roll maneuver complete, Columbia II, you're looking good.

Pilot:  Control, this is Columbia II.  Main engines at 65%, over.

CAPCOM:  Roger, out.

PAO # 2:  The Columbia II has reached Mach 1 (the speed of sound),
and the space shuttle main engines have been throttled down from
100% to 65%.  We are now at T + _______ minutes after launch.

Commander:  Control, this is Columbia II.  Max Q, over.

CAPCOM:  Roger, Columbia II.  Out.

PAO # 1:  Maximum dynamic pressure has been reached, and the space
shuttle main engines have been throttled back up to 100%.

Pilot:  Control, this is Columbia II.  We have SRB burnout; ready
for SRB sep, over.

CAPCOM:  Roger, out.

PAO # 2:  The computer has reported that the solid rocket boosters
have burned out at T + _______ minutes.

Commander:   Control, this is Columbia II.  We have SRB sep, over.

CAPCOM:  Roger, we can see that, Columbia II.  Out.

PAO # 1:  The solid rocket boosters have separated from the Orbiter
at T + _______ minutes.

CAPCOM:  Columbia II, you are negative return.  Do you copy?

Lab # 1:  Roger, Mission Control.  Negative return, out.

PAO # 2:  Mission Control has reported that a return-to-launch-site
abort is no longer possible at T + _______  minutes.

Lab # 2:  Control, this is Columbia II.  We are single engine press
to MECO, over.

CAPCOM:  Roger, Columbia II, out.

PAO # 1:  The commander has reported that the Columbia II can reach
orbit even if two main engines fail.

CAPCOM:  Columbia II, this is Control.  Main engine throttle down,
over.

Pilot:  Roger, out.

PAO # 2:  Mission Control has instructed the pilot to throttle down
to keep acceleration less than 3 g's.

CAPCOM:  Columbia II, this is Control.  Go for main engine cut-
off, over.

Commander:  Roger, Main engine cut-off on schedule, out.

PAO # 1:  The three main engines have shut down.

CAPCOM:  Columbia II, this is Control.  Go for ET separation.

Lab # 1:  Roger, we have external tank sep, over.

PAO # 2:  The external tank has separated from the Orbiter.

Pilot:  Beginning minus Z translation, out. PAO # 1 The crew are
preparing for orbital maneuvering system burn number one.

CAPCOM:  Columbia II, this is Control.  You are go for OMS-one burn,
over.

Lab # 2:  Roger, OMS-one, out.

Pilot:  Control, this is Columbia II.  We have OMS cut-off, over.

PAO # 2:  The orbital maneuvering system burn has stopped.

CAPCOM:  Roger, we copy.  Please advise when ET umbilical doors are
closed, over.

PAO # 1:  The auxiliary power unit has been shut down.  The pilot
will now enter OPS105 on the keyboard to change the computer
program. The external tank umbilical doors have been closed and
latched at T + _______ minutes.

Commander:  Umbilical doors closed, over.

CAPCOM:  Roger, out.

CAPCOM:  Columbia II, this is Control.  Coming up on OMS-two, over.

Lab # 1:  Roger, OMS-two.

PAO # 2:  The orbital maneuvering system burn number two has been
initiated. We are now at T + _______  minutes after launch.

Pilot:   OMS-two cut-off.  We have achieved orbit, over.

CAPCOM:  Roger, Columbia II, out. PAO # 1 The pilot will now enter
OPS106 on the keyboard to change the computer program.  We are now
at T + _______ minutes.

CAPCOM:  Columbia II, begin on-orbit operations.

Commander:  Roger, Control.  Out.