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Worksheet 34 · Skill 1

Compass conversions

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  1. The course laid off on the chart is 186°T. What do you steer by the steering compass?

    Give whole degrees (000 to 359). This one must be exact.

    Compass course: ________ °C  

  2. A magnetic course of 003°M is wanted. What do you steer by the steering compass?

    Give whole degrees (000 to 359). This one must be exact.

    Compass course: ________ °C  

  3. A bearing on the chart is 154°T. What is it magnetic (for a hand-bearing compass, which is taken to have no deviation)?

    Give whole degrees (000 to 359). This one must be exact.

    Magnetic bearing: ________ °M  

  4. You are steering 307° by the steering compass. What is the true course?

    Give whole degrees (000 to 359). This one must be exact.

    True course: ________ °T  

  5. A bearing on the chart is 074°T. What is it magnetic (for a hand-bearing compass, which is taken to have no deviation)?

    Give whole degrees (000 to 359). This one must be exact.

    Magnetic bearing: ________ °M  

  6. The steering compass reads 229°C. What is the magnetic heading?

    Give whole degrees (000 to 359). This one must be exact.

    Magnetic heading: ________ °M  

  7. The course laid off on the chart is 136°T. What do you steer by the steering compass?

    Give whole degrees (000 to 359). This one must be exact.

    Compass course: ________ °C  

  8. A bearing on the chart is 200°T. What is it magnetic (for a hand-bearing compass, which is taken to have no deviation)?

    Give whole degrees (000 to 359). This one must be exact.

    Magnetic bearing: ________ °M  

Answer key

No.AnswersProblem
1Compass course: 187 °C
No. 34001 (worked solution)
2Compass course: 000 °C
No. 34002 (worked solution)
3Magnetic bearing: 142 °M
No. 34003 (worked solution)
4True course: 316 °T
No. 34004 (worked solution)
5Magnetic bearing: 080 °M
No. 34005 (worked solution)
6Magnetic heading: 223 °M
No. 34006 (worked solution)
7Compass course: 131 °C
No. 34007 (worked solution)
8Magnetic bearing: 208 °M
No. 34008 (worked solution)