T/S/D Computer with Protractor Plotter

so you're new to the world of flight planning they're confusing some terminology not sure where to begin or maybe you already know but just need a quick refresher course before your check ride or next activity with your instructor in this video we will discuss lines of latitude and longitude true course true heading magnetic course magnetic heading as well as gives some insight on pilotage and dead reckoning these white lines you see represent lines of latitude and longitude on the sectional they appears black lines with tick marks if you're having trouble differentiating the lines think of it this way a ladder may be the best example for this the rungs of the ladder the horizontal lines represent latitude and the vertical portion represents longitude the first thing we need to do is grab a plotter sectional and decide where we want to go let's say we choose our departure Airport as ral