s requirements 8. Descnpuon ot Work Accomplished GULFSTREAM G-IV N6'77FtP S/N 1085 W/O 1658 ANTENNA I. Removed existing Antenna and installed COMANT Antenna CI 420-I , s/n 162608 using existing doubler at F.S.I93C.00+9 as per Strong Aero Engineering drawing N677RP-011107- I, Rev. N/C dated 01 -1