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Worksheet 770 · Skill 1

Compass conversions

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  1. The course laid off on the chart is 113°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 course laid off on the chart is 324°T. What do you steer by the steering compass?

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

    Compass course: ________ °C  

  3. 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  

  4. A bearing on the chart is 044°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 magnetic course of 103°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  

  6. A bearing on the chart is 187°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. The course laid off on the chart is 354°T. 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 321°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
1Compass course: 129 °C
No. 770001 (worked solution)
2Compass course: 331 °C
No. 770002 (worked solution)
3Compass course: 219 °C
No. 770003 (worked solution)
4Magnetic bearing: 056 °M
No. 770004 (worked solution)
5Compass course: 106 °C
No. 770005 (worked solution)
6Magnetic bearing: 190 °M
No. 770006 (worked solution)
7Compass course: 001 °C
No. 770007 (worked solution)
8Magnetic bearing: 313 °M
No. 770008 (worked solution)