A-ONE: Cygnus Mass Simulator, Dove 1, PhoneSat х3 - Antares-110 - MARS LP-0A - 21.04.2013 21:00 UTC

[Salo]

Launch team is go to proceed with #Antares countdown. TEL is go to retract.

[Salo]

http://forum.nasaspaceflight.com/index.php?topic=31704.msg1041716#msg1041716

antonioe Today at 08:49 PM

Going offline - good luck to all of us

[Salo]

SUNDAY, APRIL 21, 2013
2046 GMT (4:46 p.m. EDT)
T-minus 14 minutes and counting. In the final 10 minutes of the countdown, the Antares rocket's avionics systems will be transitioned to internal power at T-minus 5 minutes.

At T-minus 3 minutes, 30 seconds, the automatic countdown sequence will begin. The first stage's propellant tanks will begin pressurizing at T-minus 2 minutes.

SUNDAY, APRIL 21, 2013
2048 GMT (4:48 p.m. EDT)
T-minus 12 minutes and counting. The final prelaunch poll of the Antares team confirms all positions are ready for the final phase of the countdown.

SUNDAY, APRIL 21, 2013
2050 GMT (4:50 p.m. EDT)
T-minus 10 minutes and counting. The next step in the engine chilldown procedure is now beginning. And final vehicle arming is underway.

SUNDAY, APRIL 21, 2013
2052 GMT (4:52 p.m. EDT)
No problems are reported in the countdown and the weather continues to look favorable for liftoff at 5 p.m. EDT.

[Salo]

#Antares TEL has been armed for rapid retraction at liftoff. LOX is full. TEL is armed.

[Salo]

SUNDAY, APRIL 21, 2013
2053 GMT (4:53 p.m. EDT)
The liquid oxygen tank is full. The transporter erector is armed for rapid retract in the final seconds of the countdowm.

SUNDAY, APRIL 21, 2013
2054 GMT (4:54 p.m. EDT)
The Antares rocket's avionics will be switched from external power to an on-board battery in about one minute.

SUNDAY, APRIL 21, 2013
2055 GMT (4:55 p.m. EDT)
T-minus 5 minutes and counting. The rocket is now running on its own battery.

[Salo]

#Antares Transfering avionics on to internal power now. T-5 min.

[Liss]

Т-2 мин.

[Salo]

SUNDAY, APRIL 21, 2013
2056 GMT (4:56 p.m. EDT)
T-minus 4 minutes and counting. The automatic countdown sequence begins in a few seconds.

SUNDAY, APRIL 21, 2013
2056 GMT (4:56 p.m. EDT)
T-minus 3 minutes, 30 seconds. The auto sequence has started.

[mefisto_x]

https://twitter.com/OrbitalSciences

[Liss]

30 секунд...

[Liss]

Пошла!

[Salo]

SUNDAY, APRIL 21, 2013
2059 GMT (4:59 p.m. EDT)
T-minus 15 seconds. The engine steering check is underway.

SUNDAY, APRIL 21, 2013
2059 GMT (4:59 p.m. EDT)
T-minus 30 seconds and counting to maiden flight of Antares.

SUNDAY, APRIL 21, 2013
2059 GMT (4:59 p.m. EDT)
T-minus 45 seconds.

SUNDAY, APRIL 21, 2013
2059 GMT (4:59 p.m. EDT)
T-minus 60 seconds. High speed video cameras are activating.

SUNDAY, APRIL 21, 2013
2058 GMT (4:58 p.m. EDT)
T-minus 90 seconds.

SUNDAY, APRIL 21, 2013
2058 GMT (4:58 p.m. EDT)
T-minus 2 minutes. Flight computer is ready. The rocket's propellant tanks are pressurizing now.

SUNDAY, APRIL 21, 2013
2057 GMT (4:57 p.m. EDT)
In the next few moments, the Antares fisrt stage's propellant tanks will pressurize for flight, and computers will monitor the rocket and ground system paramters to ensure everything is ready for liftoff.

At T-minus 15 seconds, the two AJ26 first stage engines will swivel at the base of the rocket to ensure they can steer the launch vehicle in flight.

At T-minus 5 seconds, the transporter-erector-launcher will retract away from the rocket, leading to ignition of the AJ26 engines as clocks hit zero.

Liftoff will occur 2 seconds later after computers verify the engines are running normally.

[Дмитрий В.]

Улетела.

[Liss]

+60 сек. Норма.

[Salo]

Улетела!

[Liss]

Зону Max-Q прошла. Норма.

[Liss]

Две минуты. Чередуют съемку наземной и бортовой камерами.

[Liss]

Есть отключение.
Есть отделение 1-й ступени.

[Дмитрий В.]

НК-33 первый раз полностью отработал в полете!

[Salo]

Есть отделение первой ступени!