A wind violation prompted the hold in the countdown.
Author: Steven Siceloff
HOLD
The launch team called a hold. Standing by for assessment.
Countdown Resumes: 4 Minutes to Liftoff
T-4 minutes and counting . . .
Launch Team: Go for 6:03 p.m. Liftoff
Atlas V systems and the enhanced Cygnus are ready for launch at 6:03 p.m. EST the launch team reports. Countdown will resume at 5:59 p.m. at the T-4 minute point.
10 Minutes to Launch
The launch team is continuing to work toward a launch at 6:03 p.m. tonight to send the cargo-laden enhanced Cygnus to the International Space Station. Eight minutes to liftoff.
Among the more than 7,000 pounds of supplies aboard Cygnus are numerous science and research investigations and technology demonstrations, including a new life science facility that will support studies on cell cultures, bacteria and other microorganisms; a microsatellite deployer and the first microsatellite that will be deployed from the space station; several other educational and technology demonstration CubeSats; and experiments that will study the behavior of gases and liquids, clarify the thermo-physical properties of molten steel, and evaluate flame-resistant textiles.
New Launch Time: 6:03 p.m.
The launch team is resetting the countdown for the end of today’s launch window at 6:03:12 p.m. EST. Countdown is currently holding at T-4 minutes.
HOLD
A hold has been called due to ground winds exceeding the limit.
Countdown Resumes at T-4 Minutes with All Systems ‘Go’
T-4 minutes and counting . . . Liftoff set for 5:48:12 p.m.
Poll Confirms Atlas V, Cygnus Systems ‘Go’
The launch team confirmed they are go for liftoff at 5:48:12 p.m. from Space Launch Complex 41 at Cape Canaveral Air Force Station. The countdown will resume at 5:44 p.m.
Topping Mode Continues During Hold
Pumps are continuing to top-off the propellant tanks of the Atlas V booster as this 10-minute hold proceeds. The launch team is working toward a liftoff at 5:48 p.m. EST. The countdown is to resume at 5:44 p.m.