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Worksheet 175 · Skill 1

Compass conversions

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  1. 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  

  2. A bearing on the chart is 021°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 303°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. A bearing on the chart is 316°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 267°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 bearing on the chart is 242°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  

  7. A magnetic course of 359°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  

  8. A magnetic course of 024°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: 137 °T
No. 175001 (worked solution)
2Magnetic bearing: 028 °M
No. 175002 (worked solution)
3Magnetic bearing: 292 °M
No. 175003 (worked solution)
4Magnetic bearing: 330 °M
No. 175004 (worked solution)
5Compass course: 271 °C
No. 175005 (worked solution)
6Magnetic bearing: 246 °M
No. 175006 (worked solution)
7Compass course: 355 °C
No. 175007 (worked solution)
8Compass course: 024 °C
No. 175008 (worked solution)