Clark on FCRM 8110-3 dated 6-29-73. Complete wiring and mounting provisions for a second H.F. system were also installed. both systems will utilise the G.A. C. installed H. F. antenna. These systems are wired per FAS drawings 180454 and 180455. • Installed. dual Collins V1R-30 VCRALS receivers and 699Z-1 ai