Skip to content Skip to footer

Planning Ruler


Standard 41cm / 16”aeronautical scale, cut from thick Perspex with bevelled edges. The outer edges are marked with nautical miles in 1:500,000 & 1:250,000 scales, while statute miles and kilometres are marked in 1:500,000 scale on the centre line. The scale rule is 10mm wide (in 1:500,000 scale) to aid en-route safety altitude calculations.

Category: Product ID: 6331