61-05. IN-FLIGHT NAVIGATION
All questions: 89
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1. An aircraft at FL350 is required to descend to cross a DME facility at FL80. Maximum rate of descent is 1800 ft/min and mean GS for descent is 276 kts. The minimum range from the DME at which descent should start is:
2. Halfway between two reporting points the navigation log gives the following information:
TAS: 360 kts
W/V: 330V80 kts
Compass heading: 237°
Deviation on this heading: -5°
Variation: 19°W
What is the average groundspeed for this leg?
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3. You are flying at a true Mach No of 0,82 in a SAT of -45 °C. At 1000 hours you are 100 NM from the POL DME and your ETA at POL is 1012. ATC ask you to slow down to be at POL at 1016. What should your new TMN be if you reduce speed at 100 NM distance to:
4. Given:
ETA to cross a meridian: 21:00 UTC
GS: 441 kts
TAS: 491 kts
At 20:10 UTC, ATC requests a speed reduction to cross the meridian at 21:05 UTC. The reduction to TAS will be approximately:
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5. A ground feature appears 30° to the left of the centre line of the CRT of an airborne weather radar. If the heading of the aircraft is 355° (M) and the magnetic variation is 15°E, the true bearing of the aircraft from the feature is:
