Launch from Cape Canaveral (KSC
landing on Edwards AFB
The launch was originally scheduled for
April 28, 1989, but was scrubbed at T-31 seconds because of a problem with the
liquid hydrogen recirculation pump on Space Shuttle Main Engine (SSME) No. 1
and a vapor leak in the liquid hydrogen recirculation line between the orbiter
and external tank.
Main goal of this mission was the deploying of
Magellan/Venus radar mapper on flight day 1. Several secondary payloads as
Earth observation an photography, biology, medicine and materials sciences were
One of five general purpose computers (GPC
failed in orbit and was successfully replaced during the mission.