Convenient length (42cm x 3.8cm) for flying school students. Outside edges respectively read to 110nm in 1:500,000 and to 220nm in 1:1,000,000. Centre scale converts between Kilometres (KM) 1:500,000 from 0–200km and Statute Miles (SM) 1:500,000 from 0–125nm.
Rigid plastic (3mm thick ) material – long lifetime guaranteed !
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