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19 Cards in this Set
- Front
- Back
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Paralells of latitude run...
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East to west
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Meridians of longitude run...
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North to south
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A circle formed on the surface of a sphere by the intersection of a plane that passes through the center of a sphere
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Great circle
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Degree of latitude of the North and South poles
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90 degrees
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One degree equals _________ minutes
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60
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One minute of longitude along the equator is equal to
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1 NM
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One minute of latitude equals
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1 NM
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The reference line for measuring north-south distances
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Equator
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How many minutes in one degree of latitude?
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60
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An aircraft holding a constant heading is flying a
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Rhumb line
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1 NM equals ____ SM
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1.15
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SM x ____ = NM
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.87
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How many time zones is the earth divided into?
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24
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Each time zone is _____ degrees of _________ wide.
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15 degrees, longitude
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How to convert to Zulu?
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Add conversion factor and subtract 1 hour if DST
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The speed of an aircraft relative to the surface of the earth is true airspeed corrected for the effects of wind.
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Ground Speed
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Ratio of true airspeed to the speed of sound, expressed in decimal form
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Mach number
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The indicated airspeed _________ with ___________ in altitude and temperature
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Decreases, increases
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At high altitudes, an aircraft's indicated airspeed is significantly _________ than its true airspeed.
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Lower
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