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Worksheet 280 · Skill 1

Compass conversions

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  1. You are steering 272° by the steering compass. What is the true course?

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

    True course: ________ °T  

  2. The steering compass reads 032°C. What is the magnetic heading?

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

    Magnetic heading: ________ °M  

  3. A bearing on the chart is 160°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 magnetic course of 166°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  

  5. A bearing on the chart is 087°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 035°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 308°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 course laid off on the chart is 326°T. 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: 273 °T
No. 280001 (worked solution)
2Magnetic heading: 034 °M
No. 280002 (worked solution)
3Magnetic bearing: 172 °M
No. 280003 (worked solution)
4Compass course: 170 °C
No. 280004 (worked solution)
5Magnetic bearing: 072 °M
No. 280005 (worked solution)
6Compass course: 037 °C
No. 280006 (worked solution)
7Magnetic bearing: 298 °M
No. 280007 (worked solution)
8Compass course: 328 °C
No. 280008 (worked solution)