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Worksheet 551 · Skill 1

Compass conversions

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  1. A bearing on the chart is 281°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. You are steering 015° by the steering compass. What is the true course?

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

    True course: ________ °T  

  3. You are steering 028° by the steering compass. What is the true course?

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

    True course: ________ °T  

  4. A bearing on the chart is 015°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 293°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. You are steering 300° by the steering compass. What is the true course?

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

    True course: ________ °T  

  7. A bearing on the chart is 239°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 bearing on the chart is 342°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
1Magnetic bearing: 275 °M
No. 551001 (worked solution)
2True course: 006 °T
No. 551002 (worked solution)
3True course: 042 °T
No. 551003 (worked solution)
4Magnetic bearing: 023 °M
No. 551004 (worked solution)
5Magnetic bearing: 290 °M
No. 551005 (worked solution)
6True course: 298 °T
No. 551006 (worked solution)
7Magnetic bearing: 249 °M
No. 551007 (worked solution)
8Magnetic bearing: 341 °M
No. 551008 (worked solution)