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Worksheet 18 · Skill 1

Compass conversions

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  1. A magnetic course of 022°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  

  2. The steering compass reads 267°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 272°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 320°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 bearing on the chart is 121°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 247°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. The steering compass reads 234°C. What is the magnetic heading?

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

    Magnetic heading: ________ °M  

  8. You are steering 071° by the steering compass. What is the true course?

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

    True course: ________ °T  

Answer key

No.AnswersProblem
1Compass course: 018 °C
No. 18001 (worked solution)
2Magnetic heading: 270 °M
No. 18002 (worked solution)
3Magnetic bearing: 274 °M
No. 18003 (worked solution)
4Magnetic bearing: 310 °M
No. 18004 (worked solution)
5Magnetic bearing: 120 °M
No. 18005 (worked solution)
6Compass course: 247 °C
No. 18006 (worked solution)
7Magnetic heading: 235 °M
No. 18007 (worked solution)
8True course: 059 °T
No. 18008 (worked solution)