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Worksheet 39 · Skill 1

Compass conversions

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  1. A bearing on the chart is 163°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  

  2. A bearing on the chart is 217°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 magnetic course of 209°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  

  4. You are steering 075° by the steering compass. What is the true course?

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

    True course: ________ °T  

  5. A bearing on the chart is 158°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 bearing on the chart is 151°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 bearing on the chart is 053°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. You are steering 151° 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
1Magnetic bearing: 150 °M
No. 39001 (worked solution)
2Magnetic bearing: 202 °M
No. 39002 (worked solution)
3Compass course: 214 °C
No. 39003 (worked solution)
4True course: 080 °T
No. 39004 (worked solution)
5Magnetic bearing: 147 °M
No. 39005 (worked solution)
6Magnetic bearing: 163 °M
No. 39006 (worked solution)
7Magnetic bearing: 041 °M
No. 39007 (worked solution)
8True course: 154 °T
No. 39008 (worked solution)