ex List IL GC514910271 Rev. 'O'. ....... Installed the following major Gulfstream Aerospace Corporation Aircraft Service Changes: I. A.S.C. 052 'Indicating/ Recording (ATA 3!) Planeview Avionics Enhancement' 2. A.S.C. 065 'Navigation (ATA 34) Runway Awareness Advisory System (RAAS)- Installation' 3. A.S.C. 906