Intelsat 4 F1

Launch Success

Liftoff Time (GMT)

22:04:00

Thursday May 22, 1975

Watch Replay

Official Livestream

Mission Details

Intelsat 4 F1

Wiki

Intelsat IV F-1 was a geostationary communication satellite built by Hughes, it was owned by Intelsat. The satellite was based on the HS-312 platform and its estimated useful life was 7 years.

Geostationary Transfer Orbit

1 Payload

1,414 kilograms

Rocket

Retired
Atlas-SLV3D Centaur-D1A

Active 1973 to 1975


Stages

2

Launch Site

SLC-36A

Cape Canaveral SFS, Florida, USA

Fastest Turnaround

46 days 2 hours

Stats

Atlas-Centaur


35th

Mission

2nd

Mission of 1975

1975


45th

Orbital launch attempt