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Worksheet 90 · Skill 1

Compass conversions

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  1. The course laid off on the chart is 203°T. What do you steer by the steering compass?

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

    Compass course: ________ °C  

  2. The steering compass reads 293°C. What is the magnetic heading?

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

    Magnetic heading: ________ °M  

  3. You are steering 244° by the steering compass. What is the true course?

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

    True course: ________ °T  

  4. The steering compass reads 034°C. What is the magnetic heading?

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

    Magnetic heading: ________ °M  

  5. You are steering 138° by the steering compass. What is the true course?

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

    True course: ________ °T  

  6. A bearing on the chart is 312°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 225°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. The steering compass reads 338°C. What is the magnetic heading?

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

    Magnetic heading: ________ °M  

Answer key

No.AnswersProblem
1Compass course: 211 °C
No. 90001 (worked solution)
2Magnetic heading: 292 °M
No. 90002 (worked solution)
3True course: 252 °T
No. 90003 (worked solution)
4Magnetic heading: 034 °M
No. 90004 (worked solution)
5True course: 139 °T
No. 90005 (worked solution)
6Magnetic bearing: 298 °M
No. 90006 (worked solution)
7Compass course: 227 °C
No. 90007 (worked solution)
8Magnetic heading: 334 °M
No. 90008 (worked solution)