Columbia was heaviest, oldest of NASA's four space shuttles
Columbia made the first space shuttle flight history on April 12, 1981. It was the heaviest of NASA's four shuttles, and had been refurbished three times since its first flight. A brief look at the shuttle fleet:
Columbia
Weight: 178,000 lbs.
First flight: April 12, 1981
Number of flights: 28 (lost Feb. 1, 2003)
Challenger
Weight: 175,111 lbs.
First flight: April 4, 1983
Number of flights: 10 (exploded on launch Jan. 28, 1986)
Discovery
Weight: 171,000 lbs.
First flight: Aug. 30, 1984
Number of flights: 30
Atlantis
Weight: 171,000 lbs.
First flight: Oct. 3, 1985
Number of flights: 26
Endeavour
Weight: 172,000 lbs.
First flight: May 7, 1992 (replaced Challenger)
Number of flights: 19
--From the Sunday, February 2, 2003 printed edition of the Augusta Chronicle