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Worksheet 110 · Skill 1

Compass conversions

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  1. A magnetic course of 220°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  

  2. The steering compass reads 256°C. What is the magnetic heading?

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

    Magnetic heading: ________ °M  

  3. You are steering 095° by the steering compass. What is the true course?

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

    True course: ________ °T  

  4. A magnetic course of 191°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  

  5. A magnetic course of 219°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  

  6. A bearing on the chart is 317°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  

  7. A magnetic course of 281°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  

  8. You are steering 000° by the steering compass. What is the true course?

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

    True course: ________ °T  

Answer key

No.AnswersProblem
1Compass course: 218 °C
No. 110001 (worked solution)
2Magnetic heading: 253 °M
No. 110002 (worked solution)
3True course: 103 °T
No. 110003 (worked solution)
4Compass course: 188 °C
No. 110004 (worked solution)
5Compass course: 219 °C
No. 110005 (worked solution)
6Magnetic bearing: 309 °M
No. 110006 (worked solution)
7Compass course: 287 °C
No. 110007 (worked solution)
8True course: 004 °T
No. 110008 (worked solution)