This holding pattern calculator is manufactured in plastic and is pocket size of only 100mm diameter. Extremely useful and easy to use it forms a quick mental picture of the aircraft's position for joining and maintaining a left or right holding pattern. Desired heading is located in a window which automatically co-locates hea...

This landing pattern computer is an easy to use popular plastic circular calculator. Pocket size, this calculator is only 100mm in diameter. Left hand patterns are on one side of the calculator, right hand patterns on the other. The desired runway heading is located in the runway window which automatically co-locates headings ...