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Worksheet 28 · Skill 1

Compass conversions

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  1. You are steering 105° by the steering compass. What is the true course?

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

    True course: ________ °T  

  2. A bearing on the chart is 187°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. A bearing on the chart is 274°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  

  4. You are steering 142° 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 magnetic course of 269°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 magnetic course of 123°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. A bearing on the chart is 116°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. A magnetic course of 324°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
1True course: 089 °T
No. 28001 (worked solution)
2Magnetic bearing: 184 °M
No. 28002 (worked solution)
3Magnetic bearing: 280 °M
No. 28003 (worked solution)
4True course: 137 °T
No. 28004 (worked solution)
5Compass course: 272 °C
No. 28005 (worked solution)
6Compass course: 117 °C
No. 28006 (worked solution)
7Magnetic bearing: 101 °M
No. 28007 (worked solution)
8Compass course: 324 °C
No. 28008 (worked solution)