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Worksheet 89 · Skill 1

Compass conversions

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  1. A magnetic course of 276°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. You are steering 272° by the steering compass. What is the true course?

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

    True course: ________ °T  

  3. You are steering 289° 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 bearing on the chart is 082°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  

  5. A magnetic course of 190°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. You are steering 149° by the steering compass. What is the true course?

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

    True course: ________ °T  

  7. The steering compass reads 262°C. What is the magnetic heading?

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

    Magnetic heading: ________ °M  

  8. You are steering 088° 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: 273 °C
No. 89001 (worked solution)
2True course: 286 °T
No. 89002 (worked solution)
3True course: 305 °T
No. 89003 (worked solution)
4Magnetic bearing: 074 °M
No. 89004 (worked solution)
5Compass course: 187 °C
No. 89005 (worked solution)
6True course: 133 °T
No. 89006 (worked solution)
7Magnetic heading: 256 °M
No. 89007 (worked solution)
8True course: 079 °T
No. 89008 (worked solution)