Drift Sights, Mk II-B Pelorus, and Mk IIC with Recording Base UH-1 achieving the same results by

achieving the same results by monitoring EGT (exhaust gas temperature)

allowing for course adjustments left or right

It is in exceptional cosmetic condition for its age

25 inches diameter and 3 inches deep

descriptions

Drift Sights, Mk II-B Pelorus, and Mk IIC with Recording Base UH-1 achieving the same results byHere are two types of aircraft Pelorus Drift Sight. A Pelorus Drift Sight is designed to function either as a Pelorus, for taking bearings on objects, or for improving dead reckoning aircraft navigation by measuring the angle between the heading and the track of an airplane. It consists of a small 'telescope' viewing vertically towards the ground, angled toward the direction of the aircraft. When viewing the ground through the scope while in flight,