AIM 8/15/19  lines, shaded relief, drainage patterns, and a selection of landmarks used for flight under VFR. Cultural features include cities and towns, roads, railroads, and other distinct landmarks. Scale 1 inch = 13.7 nm/1:1,000,000. CAC − 1, revised annually, consists of two sides measuring 30” x 60” each.  CAC − 2, revised biennially, consists of two sides measuring 20” x 60” each. (See FIG 9 − 1 − 3.) 5. Caribbean VFR Aeronautical Charts. Caribbean 1 and 2 (CAC − 1 and CAC − 2) are designed for visual navigation to assist familiarization of foreign aeronautical and topographic information. The aeronautical information includes visual and radio aids to navigation, airports, controlled airspace, special − use airspace, obstructions, and related data. The topographic information consists of contour FIG 9 − 1 − 3 Caribbean VFR Aeronautical Charts Types of Charts Available 9 − 1 − 3