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English
How to use the aviation function
4-3.
[Calculation of time needed to travel a set distance]
Q :
If the speed of an aircraft is 180 knots, how much time does it take the aircraft to fly
450 nautical miles?
A :
Align 18 of the outer scale with the SPEED INDEX “
” of the inner scale.
Result: 2 hours and 30 minutes - 2:30 of the inner scale corresponds to 45 of the
outer scale.
[Calculation of flight distance]
Q :
If the speed is 210 knots and the flight time is 40 minutes, how many nautical
miles will an aircraft travel?
A :
Align 21 of the outer scale with the SPEED INDEX “
” of the inner scale.
Result: 140 Nautical Miles – 14 on the outer scale corresponds to 40 of the inner
scale.
