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Worksheet 55 · Skill 1

Compass conversions

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  1. You are steering 177° by the steering compass. What is the true course?

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

    True course: ________ °T  

  2. A magnetic course of 064°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  

  3. The course laid off on the chart is 097°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 337°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 205°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. The course laid off on the chart is 288°T. What do you steer by the steering compass?

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

    Compass course: ________ °C  

  7. A bearing on the chart is 350°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. A magnetic course of 056°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  

Answer key

No.AnswersProblem
1True course: 185 °T
No. 55001 (worked solution)
2Compass course: 064 °C
No. 55002 (worked solution)
3Compass course: 112 °C
No. 55003 (worked solution)
4Magnetic bearing: 328 °M
No. 55004 (worked solution)
5Magnetic bearing: 214 °M
No. 55005 (worked solution)
6Compass course: 288 °C
No. 55006 (worked solution)
7Magnetic bearing: 342 °M
No. 55007 (worked solution)
8Compass course: 056 °C
No. 55008 (worked solution)