2. Direction Flashcards
The datum we use to measure direction from is the N - S …….. running through the position.
meridian
The standard for measuring direction is to start at north and proceed in a clockwise direction for …….. degrees until you are back at north again.
360
The direction 090 degrees clockwise from north is called ……..
east
The direction 180 degrees clockwise from north is called ……..
south
The direction 270 degrees clockwise from north is called ……..
west
Express the following headings as three-figure group headings:
W = ……..,
SE = …….., and,
10 degrees east of north = ……..
270; 135; 010
The angular difference between true north and magnetic north is called ……..
variation
If you are steering 280ºM and the variation is 4ºW, what will be your true heading.
276ºT
A line joining places of equal variation is called an …….. In NZ the average value of variation is approximately ……..º (east / west)
isogonal; 20; east
Deviation is the angular difference between …….. direction and …….. direction.
magnetic; compass
If Nelson bears 292ºT from Wellington, what is the true bearing of Wellington from Nelson.
112ºT
The true bearing to Napier from Taupo is 145º. Assuming the average variation of 20ºE, what is the magnetic bearing to Napier from Taupo.
125ºM
A relative bearing of an object is the angular difference from the …….. of the aircraft (clockwise / anticlockwise) to the object.
nose; clockwise