Wind Protractor for Flying on Course and On Time Protractor

An easy to use navigation aid.

Solves all wind problems with a simple pencil mark.
Works with any TAS up to 340 kts.
Works with all aviation chart scales.
No moving parts.
All you need is a pencil.
Gives simple and accurate estimates of flying time.
True heading is easily read.
Accurate to 1°
Especially useful when diverting.
Can also be used as a protractor.