POOLEYS HPC-1 Holding Pattern Calculator (BLUE)

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 headings required for join direct, teardrop or left or right turn joins. Left pattern on one side, right pattern on reverse.