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Worksheet 77 · Skill 1

Compass conversions

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  1. You are steering 136° by the steering compass. What is the true course?

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

    True course: ________ °T  

  2. You are steering 077° by the steering compass. What is the true course?

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

    True course: ________ °T  

  3. A bearing on the chart is 352°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. You are steering 359° 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 magnetic course of 197°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. You are steering 352° by the steering compass. What is the true course?

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

    True course: ________ °T  

  7. The course laid off on the chart is 232°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 magnetic course of 009°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: 140 °T
No. 77001 (worked solution)
2True course: 077 °T
No. 77002 (worked solution)
3Magnetic bearing: 353 °M
No. 77003 (worked solution)
4True course: 006 °T
No. 77004 (worked solution)
5Compass course: 203 °C
No. 77005 (worked solution)
6True course: 343 °T
No. 77006 (worked solution)
7Compass course: 225 °C
No. 77007 (worked solution)
8Compass course: 005 °C
No. 77008 (worked solution)