SIFEBA Nav-Aid Rule Plotter

The NAV-AID RULE solves the most troublesome aspects of visual navigation, off-course heading corrections and unexpected diversions.

•Off Course Heading Corrections
•Distance flown and to fly
•Diversion Heading Alteration
•Scale 1:500,000.

Three simple steps:
1. Place the centre point of the base-line over the present position.
2. Align the base-line with the departure point or last fix.
3. Using the radials read off the number of degrees to alter present heading to fly direct to destination.

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.