Take off from the chart on to the rule, a distance of 5 nm, and fit it, by means of the ruler between the legs of the 1st and 2nd position lines from the beacon, but parallel to your planned course line.
Kupha ngaphandle ukusuka etshatini use kwisikrweleli umgama oyi 5nm uwufake ngoncedo lwesikrweleli kwemilenze yendawo yokuqala neyesibini emgceni ukusuka kwisibane esisilumkiso sengozi enqanaweni kodwa efana ncam nesikhanyiso somgca