National Aeronautics and Space AdministrationAtlas LV-3BSpace Launch Complex 14, Cape Canaveral SFS, FL, USA
Mercury-Atlas 4
Launched
September 13, 1961 · 14:04 UTC
Summary
Mercury-Atlas 4 launched on a National Aeronautics and Space Administration Atlas LV-3B from Space Launch Complex 14, Cape Canaveral SFS, FL, USA on September 13, 1961 at 14:04 UTC. It was National Aeronautics and Space Administration's 32nd launch, 13th this year and humanity's 126th orbital launch attempt. It was the 5th Atlas LV-3B flight and the 3rd this year. The payload was bound for low Earth orbit (LEO). The spacecraft was Mercury No.8 (8).
- Watch
- No webcast on record.
- Booster
- No booster details on record.
- Mission
- Test Flight · Low Earth Orbit (LEO)
- Milestone
- 5th Atlas LV-3B flight · 3rd this yearNational Aeronautics and Space Administration's 32nd launch13th this yearhumanity's 126th orbital launch attempt33rd orbital launch attempt this year
Spacecraft
Mercury No.8 (8)
Mercury No.8 is the Mercury capsule used for the Mercury-Atlas 3 and 4 missions.
- Destination: Suborbital
- Mission length: 2 hours
The Mercury spacecraft safely splashed down in the Atlantic Ocean.
Flight preview
About this launch
Mercury-Atlas 4 was an uncrewed suborbital test flight of the Mercury program.
Pad

Space Launch Complex 14, Cape Canaveral SFS, FL, USA
8th launch from Space Launch Complex 14, 3rd this year · 67th from Cape Canaveral SFS, FL, USA
Local pad time at liftoff: Sep 13, 10:04 AM GMT-4, in daylight
20 launches from this pad · 1,131 from Cape Canaveral SFS, FL, USA
140 days after the previous launch from this pad
Questions
When did Mercury-Atlas 4 launch?
Mercury-Atlas 4 launched on September 13, 1961 at 14:04 UTC.
Where can I watch Mercury-Atlas 4?
No webcast is on record for this launch.
What rocket launched Mercury-Atlas 4?
Atlas LV-3B, flown by National Aeronautics and Space Administration. Atlas LV-3B spec sheet
Where did Mercury-Atlas 4 launch from?
Space Launch Complex 14, Cape Canaveral SFS, FL, USA. Liftoff was Sep 13, 10:04 AM GMT-4 local time at the pad.
What orbit was Mercury-Atlas 4 going to?
Low Earth Orbit (LEO), a test flight mission.
Which program is Mercury-Atlas 4 part of?
Mercury. About Mercury
![[AUTO] Atlas LV-3B - image](/media?u=https%3A%2F%2Fthespacedevs-prod.nyc3.digitaloceanspaces.com%2Fmedia%2Fimages%2Fatlas_image_20190222030015.jpeg&w=1600)