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Worksheet 670 · Skill 1

Compass conversions

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  1. You are steering 202° 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 340° by the steering compass. What is the true course?

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

    True course: ________ °T  

  3. The steering compass reads 238°C. What is the magnetic heading?

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

    Magnetic heading: ________ °M  

  4. A bearing on the chart is 287°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. The steering compass reads 075°C. What is the magnetic heading?

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

    Magnetic heading: ________ °M  

  6. The course laid off on the chart is 101°T. 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 340°C. What is the magnetic heading?

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

    Magnetic heading: ________ °M  

  8. A magnetic course of 091°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: 198 °T
No. 670001 (worked solution)
2True course: 346 °T
No. 670002 (worked solution)
3Magnetic heading: 240 °M
No. 670003 (worked solution)
4Magnetic bearing: 285 °M
No. 670004 (worked solution)
5Magnetic heading: 075 °M
No. 670005 (worked solution)
6Compass course: 092 °C
No. 670006 (worked solution)
7Magnetic heading: 342 °M
No. 670007 (worked solution)
8Compass course: 095 °C
No. 670008 (worked solution)