STS-6
…Shuttle Challenger Launch mass 116,457 kg (256,744 lb) Landing mass 86,330 kg (190,330 lb) Payload mass 21,305 kg (46,969 lb) Crew Crew size 4 Members Paul J. Weitz Karol J. Bobko Story Musgrave Donald H. Peterson EVAs 1 EVA duration 4 hours, 17 minutes Start of mission Launch date April 4, 1983, 18:30:00 UTC (1:30…