United States Air ForceAtlas SLV-3D CentaurLaunch Complex 36A, Cape Canaveral SFS, FL, USA
INTELSAT IV F6
Launched
February 20, 1975
Image: NASA Marshall Space Flight Center
Summary
INTELSAT IV F6 launched on an United States Air Force Atlas SLV-3D Centaur from Launch Complex 36A, Cape Canaveral SFS, FL, USA on February 20, 1975. The mission failed. It was United States Air Force's 632nd launch, 3rd this year and humanity's 1,665th orbital launch attempt. It was the 5th Atlas SLV-3D Centaur flight and the 1st this year. The payload was bound for Geostationary Orbit (Direct-GEO).
- Watch
- No webcast on record.
- Vehicle
- Atlas SLV-3D Centaur · United States Air Force
- Booster
- No booster details on record.
- Mission
- Communications · Geostationary Orbit (Direct-GEO)
- Milestone
- 5th Atlas SLV-3D Centaur flight · 1st this yearUnited States Air Force's 632nd launch3rd this yearhumanity's 1,665th orbital launch attempt14th orbital launch attempt this year
Flight preview
About this launch
Geostationary communications satellite developed by Hughes Aircraft Company
Pad

Launch Complex 36A, Cape Canaveral SFS, FL, USA
17th launch from Launch Complex 36A, 1st this year · 291st from Cape Canaveral SFS, FL, USA
71 launches from this pad · 1,131 from Cape Canaveral SFS, FL, USA
546 days after the previous launch from this pad
Questions
When did INTELSAT IV F6 launch?
INTELSAT IV F6 launched on February 20, 1975. The time is known to the hour, not the minute.
Where can I watch INTELSAT IV F6?
No webcast is on record for this launch.
What rocket launched INTELSAT IV F6?
Atlas SLV-3D Centaur, flown by United States Air Force. Atlas SLV-3D Centaur spec sheet
Where did INTELSAT IV F6 launch from?
Launch Complex 36A, Cape Canaveral SFS, FL, USA.
What orbit was INTELSAT IV F6 going to?
Geostationary Orbit (Direct-GEO), a communications mission.
