NAMING AND CALCULATE DLAT, DLONG, LAT 2, LONG 2
19:02
MERCATOR SAILING|CALCULATE SHIPS ARRIVAL POSITION
12:59
BOXING THE COMPASS EASILY|BASIC TECHNIQUE
8:03
DLong or ChLong on the back of earth | Navigation
17:50
RADAR PLOTTING TUTORIAL|PART 2
2:04
How To Read Anchor Chain Leading Position
5:18
US VISA INTERVIEW|MGA DAPAT DALHIN AT GAWIN PARA MA-APPROVE
5:02
SEATAOO EVALUATION EXPLAINED
1:55:27