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Worksheet 624 · Skill 1

Compass conversions

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  1. The steering compass reads 238°C. What is the magnetic heading?

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

    Magnetic heading: ________ °M  

  2. The course laid off on the chart is 134°T. What do you steer by the steering compass?

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

    Compass course: ________ °C  

  3. The course laid off on the chart is 015°T. What do you steer by the steering compass?

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

    Compass course: ________ °C  

  4. A bearing on the chart is 140°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. You are steering 079° by the steering compass. What is the true course?

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

    True course: ________ °T  

  6. You are steering 133° by the steering compass. What is the true course?

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

    True course: ________ °T  

  7. A magnetic course of 045°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 bearing on the chart is 235°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  

Answer key

No.AnswersProblem
1Magnetic heading: 242 °M
No. 624001 (worked solution)
2Compass course: 139 °C
No. 624002 (worked solution)
3Compass course: 011 °C
No. 624003 (worked solution)
4Magnetic bearing: 135 °M
No. 624004 (worked solution)
5True course: 084 °T
No. 624005 (worked solution)
6True course: 142 °T
No. 624006 (worked solution)
7Compass course: 042 °C
No. 624007 (worked solution)
8Magnetic bearing: 236 °M
No. 624008 (worked solution)