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Worksheet 783 · Skill 1

Compass conversions

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  1. The course laid off on the chart is 234°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 bearing on the chart is 018°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  

  3. You are steering 326° 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 180° 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 062°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. A magnetic course of 013°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  

  7. The steering compass reads 091°C. What is the magnetic heading?

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

    Magnetic heading: ________ °M  

  8. A magnetic course of 234°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  

Answer key

No.AnswersProblem
1Compass course: 227 °C
No. 783001 (worked solution)
2Magnetic bearing: 016 °M
No. 783002 (worked solution)
3True course: 327 °T
No. 783003 (worked solution)
4True course: 181 °T
No. 783004 (worked solution)
5Magnetic bearing: 077 °M
No. 783005 (worked solution)
6Compass course: 014 °C
No. 783006 (worked solution)
7Magnetic heading: 089 °M
No. 783007 (worked solution)
8Compass course: 229 °C
No. 783008 (worked solution)