POOLEYS NM-2 16″ Scale 1:500,000/1:250,000

Description

Standard Flying School Issue. Outside edges respectively read to 110nm in 1:500,000 and to 55nm in 1:250,000. Centre scale converts between Kilometres (KM) 1:500,000 from 0–200km and Statute Miles (SM) 1:500,000 from 0–125nm.