Mercury-Redstone 2
Mercury Redstone 2 sub-orbital flight events

Mercury-Redstone 2

Section Title: Mercury Redstone 2 sub-orbital flight events
Table Section Text: None

T+ Time	Event	Description

T+00:00:00	Liftoff	Mercury-Redstone lifts off, onboard clock starts.

T+00:00:16	Pitch Program	Redstone pitches over 2 deg/s from 90 deg to 45 deg.

T+00:00:40	End Pitch Program	Redstone reaches 45 deg pitch.

T+00:01:00	Anomaly	Computers report pitch angle is 46 deg and rising.

T+00:01:24	Max Q	Maximum dynamic pressure ~575 lbf/ft² (27.5 kPa).

T+00:02:17	BECO	Redstone engine shutdown – Booster Engine Cutoff 3 seconds early. Velocity 5,857 mph (2.6 km/s)

T+00:02:17	Abort, Capsule Separation	Launch escape system fired, mayday message signal sent to the recovery forces.

T+00:02:18	Malfunction	Snorkel valve opened, cabin pressure dropped from 5.5 to 1 lb/in² (38 to 7 kPa).

T+00:02:19	Retro Pack Jettison	Retro pack is jettisoned, leaving heatshield clear.

T+00:02:20	Tower Jettison	Escape Tower Jettison.

T+00:02:35	Turnaround Maneuver	Capsule (ASCS) system rotates capsule 180 degrees, to heat shield forward attitude. Nose is pitched down 34 degrees.

T+00:05:00	Apogee	Apogee of about 157 miles (252.7 km) reached at 198 miles (317 km) downrange from launch site.

T+00:05:45	Retract Periscope	Periscope is automatically retracted in preparation for reentry.

T+00:06:20	Retro Attitude Maneuver	(ASCS) orients capsule in 34 degrees nose down pitch, 0 degrees roll, 0 degrees yaw.

T+00:08:24	.05 G Maneuver	(ASCS) detects beginning of reentry and rolls capsule at 10 degrees per second to stabilize capsule during reentry.

T+00:10:47	Drogue Parachute Deploy	Drogue parachute deployed at 22,000 ft (6.7 km) slowing descent to 365 ft/s (111 m/s) and stabilizing capsule.

T+00:10:54	Snorkel Deploy	Fresh air snorkel deploys at 20,000 ft (6 km). (ECS) switches to emergency oxygen rate to cool cabin.

T+00:11:24	Main Parachute Deploy	Main parachute deploys at 10,000 ft (3 km). Descent rate slows to 30 ft/s (9 m/s)

T+00:11:29	Landing Bag Deploy	Landing bag deploys, dropping heat shield down 4 ft (1.2 m).

T+00:11:29	Fuel Dump	Remaining hydrogen peroxide fuel automatically dumped.

T+00:16:39	Splashdown	Capsule lands in water about 422 mi (679 km) downrange from launch site.

T+00:16:39	Rescue Aids Deploy	Rescue aid package deployed. The package includes green dye marker, recovery radio beacon and whip antenna.

Sentence(s)

Mercury-Redstone 2 landed 422 miles (679 km) downrange after a 16.5-minute flight.

final_sentence: Mercury-Redstone 2 landed 422 miles (679 km) downrange after a 16.5-minute flight.