Waypoint 1: 60°S 030°W Waypoint 2: 60°S 020°W What will be the approximate latitude shown on the display unit of an inertial navigation system at longitude 025°W? Let’s start with a really quick primer for anyone not already up to speed with General Navigation. Because the Earth is roughly spherical (geeky fact – it’s an…
First Post! A Maths Problem
I recently received an email from a friend of mine who was trying to solve a maths problem he’d encountered preparing for pilot aptitude testing. The problem was along the lines of this… “A rectangle has a ratio of 5:4. If the perimeter of the rectangle is 48cm, what is the length of the shortest…

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