This ruler is perfectly suited to preparing your flights, and will be just as useful for student pilots, private pilots or even professional pilots, as it will be for instructors!
Specially designed for use with 1/500,000th (blue graduations) or 1/1,000,000th (black graduations) charts, it is graduated in km and NM for both scales. With its 32.5 cm length, it can be used to plot navigations of up to 300 km or 162 NM on 1/1,000,000 scale charts.
Its 3 mm thickness and exceptional transparency give it great rigidity and resistance to the sun, should it be forgotten, as is often the case, on the aircraft seat, under the canopy, in full sun and summer...
