The CRP-1 is designed particularly for the student and private pilot. Easy to handle, it includes all the necessary functions for examination, planning and flying requirements. This model is widely used by flying training organisations in the United Kingdom and throughout the world. Circular slide rule side with clear durable c...

The CRP-5 is manufactured to the exacting standards demanded by commercial pilot training organisations to give a lifetime's performance. Designed particularly for the professional pilot, it includes all necessary functions for the commercial and airline transport pilot examinations. Circular slide rule side with clear ...

CRP-8 Microlight Computer is manufactured with a Microlight sliding slow speed scale giving speeds between 10 and 120. Circular slide rule side with clear durable cursor. For calculation and conversion of temperature, time, distance, volume, altitude and density altitude, speed, weight, fuel, endurance, multiplication and divi...