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Worksheet 223 · Skill 1

Compass conversions

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  1. A bearing on the chart is 328°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  

  2. The course laid off on the chart is 062°T. What do you steer by the steering compass?

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

    Compass course: ________ °C  

  3. The steering compass reads 334°C. What is the magnetic heading?

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

    Magnetic heading: ________ °M  

  4. You are steering 221° 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 219° by the steering compass. What is the true course?

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

    True course: ________ °T  

  6. The course laid off on the chart is 066°T. What do you steer by the steering compass?

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

    Compass course: ________ °C  

  7. You are steering 288° by the steering compass. What is the true course?

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

    True course: ________ °T  

  8. You are steering 043° 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
1Magnetic bearing: 326 °M
No. 223001 (worked solution)
2Compass course: 056 °C
No. 223002 (worked solution)
3Magnetic heading: 329 °M
No. 223003 (worked solution)
4True course: 203 °T
No. 223004 (worked solution)
5True course: 208 °T
No. 223005 (worked solution)
6Compass course: 059 °C
No. 223006 (worked solution)
7True course: 293 °T
No. 223007 (worked solution)
8True course: 030 °T
No. 223008 (worked solution)