The Shuttle Carrier Aircraft are two extensively modified Boeing 747 airliners
that NASA uses to transport Space Shuttle orbiters. One is a 747-100 model,
while the other is a short range 747-100SR.
The SCAs are used to ferry space shuttles from landing sites back to the
launch complex at the Kennedy Space Center, or more specifically, the
NASA Shuttle Landing Facility, and to and from other locations too distant for
the orbiters to be delivered by ground transport.
In approach and landing test flights conducted in 1977, a test shuttle was
released from an SCA during flight and glided to a landing under its own
|747 With Space Shuttle Micro