If you fly 8 DME in one minute, what is your approximate ground speed in knots?

If you fly 8 DME in one minute, what is your approximate ground speed in knots?

• A. 480
• B. 360
• C. 420
• D. 500

Answer: (A)

Ground speed in knots is how many nautical miles you cover in one hour. DME shows your distance from the station in nautical miles. If you fly 8 DME in one minute, you’re moving 8 nautical miles each minute. To convert to knots, multiply by 60 minutes per hour: 8 × 60 = 480. So you’re traveling about 480 knots. That’s faster than 6 nautical miles per minute (360 knots) or 7 nautical miles per minute (420 knots), and slightly less than 8.333 nautical miles per minute (about 500 knots).

Ground speed in knots is how many nautical miles you cover in one hour. DME shows your distance from the station in nautical miles. If you fly 8 DME in one minute, you’re moving 8 nautical miles each minute. To convert to knots, multiply by 60 minutes per hour: 8 × 60 = 480. So you’re traveling about 480 knots.

That’s faster than 6 nautical miles per minute (360 knots) or 7 nautical miles per minute (420 knots), and slightly less than 8.333 nautical miles per minute (about 500 knots).