You are navigating 1 mile north of Cape Henry Lighthouse at the southern entrance to Chesapeake Bay. You observe that this area is bounded on the chart by magenta bands. This indicates a(n) __________.
• Magenta chart symbols and what features they usually highlight on NOAA charts • How special areas or zones (like restricted, controlled, or caution areas) are shown on U.S. charts • The typical chart presentation of anchorages, pilotage limits, and fishing areas
• Look up the chart legend or marginal notes for the meaning of magenta bands around an area. What do they usually signify? • Think about which of the four options would most likely require clear visual emphasis and extra caution near a major harbor entrance. • Ask yourself: which of these areas (explosive anchorage, pilotage area, fish trap area, danger zone) is normally outlined by lines versus shaded or banded in magenta?
• Verify in a NOAA chart No. 1 (the symbol legend) how a danger zone or restricted zone is shown versus an anchorage or fishing area. • Check how a pilotage district boundary is typically labeled and whether it uses magenta banding or simple boundary lines with text. • Confirm what kind of area near a busy entrance like Chesapeake Bay would warrant conspicuous magenta highlighting to warn mariners.
No comments yet
Be the first to share your thoughts!