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Introduction to Navigation

CBT 27 questions

First 5 of 27 questions — with answers

The correct answer is marked. Unlock the rest to study the whole test, online or offline.

  1. Question 1

    A light is given with the following characteristics: FI W (3+1) 12 s 25 m 12M. Is this:
    • A white light flashing for 3 seconds, then 1 second up to a total of 12 seconds and having a range of 25 Nautical Miles?
    • A red light flashing for 12 seconds, having a range of 25 Nautical Miles?
    • A red light flashing for 3 seconds, then occulting once and having a range of 12 Nautical Miles?
    • A white light flashing for 12 seconds and having a range of 12 Nautical Miles?

  2. Question 2

    How do you find the Nautical Mile scale on the chart?
    • By measuring one minute of Latitude.
    • By measuring one minute of Longitude.
    • By measuring one degree of Longitude.
    • By measuring the cosine of one degree of Latitude.

  3. Question 3

    How do you take a running fix?
    • By measuring the angle between two fixed landmarks and finding the sine of the angle.
    • By taking bearings from a landmark at time intervals and finding the sine of the angles.
    • By taking bearings from a landmark at time intervals and measuring the distance covered in the intervals.
    • By taking the relative bearings from 2 sets of landmarks and plotting the difference.

  4. Question 4

    How long would 15 minutes of longitude be at a latitude of 60° North?
    • 15 NM.
    • 30 NM.
    • 7,5 NM.
    • 60 NM.

  5. Question 5

    How long would one degree of latitude be at a latitude of 30° North?
    • 45 NM.
    • 30 NM.
    • 22,5 NM.
    • 60 NM.

Preview — 5 of 27 questions

You are seeing the first 5 questions with answers. Unlock the remaining 22 to study the whole test — online or offline.

About this CBT test

Introduction to Navigation is a CBT test with 27 questions and verified answers. Common topics include: latitude north, find, longitude, light, chart, long, minutes, send.

You can practise the free questions online — one at a time, with the correct answer — or unlock the whole test and download it to study offline, without internet.

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