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Worksheet 112 · Skill 1

Compass conversions

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  1. The course laid off on the chart is 307°T. 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 333°C. What is the magnetic heading?

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

    Magnetic heading: ________ °M  

  3. You are steering 222° by the steering compass. What is the true course?

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

    True course: ________ °T  

  4. You are steering 124° by the steering compass. What is the true course?

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

    True course: ________ °T  

  5. You are steering 039° by the steering compass. What is the true course?

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

    True course: ________ °T  

  6. You are steering 112° by the steering compass. What is the true course?

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

    True course: ________ °T  

  7. A bearing on the chart is 284°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  

  8. The steering compass reads 002°C. What is the magnetic heading?

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

    Magnetic heading: ________ °M  

Answer key

No.AnswersProblem
1Compass course: 311 °C
No. 112001 (worked solution)
2Magnetic heading: 327 °M
No. 112002 (worked solution)
3True course: 221 °T
No. 112003 (worked solution)
4True course: 118 °T
No. 112004 (worked solution)
5True course: 026 °T
No. 112005 (worked solution)
6True course: 124 °T
No. 112006 (worked solution)
7Magnetic bearing: 279 °M
No. 112007 (worked solution)
8Magnetic heading: 005 °M
No. 112008 (worked solution)