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Navigation practice questions

26 questions from the private pilot knowledge test practice test.

Navigation practice test

10 questions, graded as you go, with the reason for every answer. No sign-up.

What this covers

Sample questions

On a sectional chart, an isogonic line connects points of

  1. equal magnetic deviation
  2. equal terrain elevation
  3. equal barometric pressure
  4. equal magnetic variation
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D. equal magnetic variation

Isogonic lines join places with the same angle between true north and magnetic north. Deviation is a different error, caused by magnetic fields inside the aircraft, and is found on the compass correction card.

Reference: FAA-H-8083-25 (PHAK), Chapter 16

A true course measured on the chart is 125 degrees and the local magnetic variation is 8 degrees east. What is the magnetic course?

Answer in degrees.

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117 degrees

East variation is subtracted from true: 125 - 8 = 117 degrees magnetic.

Reference: FAA-H-8083-25 (PHAK), Chapter 16

The large numerals 4 and a smaller raised 5 printed in a latitude-longitude quadrangle of a sectional chart mean

  1. a maximum elevation figure of 4,500 feet MSL
  2. a minimum safe altitude of 4,500 feet AGL
  3. the highest terrain is 450 feet MSL
  4. a magnetic variation of 4.5 degrees
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A. a maximum elevation figure of 4,500 feet MSL

The maximum elevation figure gives, in thousands and hundreds of feet MSL, a value above the highest terrain or obstacle in that quadrangle with a margin built in. It is an MSL figure, not a height above ground.

Reference: FAA Aeronautical Chart Users' Guide

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