Abingdon Watches Amelia, Product Information, Manual And Warranty

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Example 1:
Let’s say your plane flies at 150 knots per hour. You
want to find out how long it will take to fly 90
nautical miles. (If you don’t know how to convert
statute miles to nautical miles, see the Conversions
chapter on page 26).
1. Rotate the outer ring so that 15 (signifying
150) is in line with the
red 60 located at the
12 o’clock position. This is your “RATE.”
You have now set the rate (150 knots in 60
minutes).
2. Now find 90 (representing the distance you
plan to travel) on the outer ring. You will
notice the 90 lines up with 36 on the middle
ring. Therefore, it will take 36 minutes to go
90 nautical miles. Piece of cake!