gca

2 definitions found

gca - WordNet (r) 2.1 (2005) :

  GCA
      n 1: aircraft landing in bad weather in which the pilot is
           talked down by ground control using precision approach
           radar [syn: ground-controlled approach, GCA]

gca - V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006) :

  GCA
         General Communications Architecture (Ingres)