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Square Protractor - 1:500,000, 5 Inches

Simplify your flight planning with this handy, easy to use plotter.

Constructed of durable Lexan, this plotter won't melt, warp or break in extreme temperatures. Its convenient 5-1/8 inches square size and ease of use make this plotter a pilot favorite for simple, accurate flight planning.

Uses a 1:500,000 scale and includes 5 NM and 10 NM radius rings for quick and easy measurement. The 2 NM grid makes alignment with parallels simple.