able 7 Equipment Installation Locations by Aircraft Aircraft Transponder Location GPS Location Learjet 60 Nose Nose (GPS-4000S) Cabin (1203C) Gulfstream Aerospace 1125 Westwind Astra, Astra SPX, Gulfstream 100. 6150 Nose Nose Gulfstream 200 Nose Nose Gulfstream G-1159, G- 1159A, G-11598, G-IV RH EE Rack, Ca