Sifeba NAV-AID Scale Rule (WAC) 160nm

SIFEBA NAV-AID Scale Rule (WAC) 160nm

The NAV-AID RULE for Wac charts solves the most troublesome aspects of visual navigation, off-course heading corrections and unexpected diversions. This Patented product gives the heading change from present position direct to the destination, or a selected diversion. The NAV-AID has for convenience one defined distance scale of World Aeronautical 1:1,000,000 Charts. No multiple scales to cause confusion.

Todays technology has given us the G.P.S. but V.F.R. still requires visual navigation as the primary method. The NAV-AID RULE and your aeronautical chart is all you should require with the comfort that track corrections or diversions are easily taken care of.THE NAV-AID RULE has been constructed from a special synthetic material of such thickness and flexibility to allow it to be bent without permanent distortion or breakage.

THREE SIMPLE STEPS

Place the centre-point of the base-line over the present position.
Align the base-line with the departure point or last fix.
Using the radials read off the number of degrees to alter present heading to fly direct to destination.No need for 1:60 rules or computers!

(RWAC)