Description

NM-1 (240mm)

Convenient length (240mm x 38mm) for cockpit use. Outside edges respectively read 0–60nm in 1:500,000 and 0–30nm in 1:250,000. Centre scale converts between kilometres (km) from 0–110km in 1:500,000 and statute miles (sm) from 0–70sm in 1:500,000.

NM-2 (420mm)

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.