Worksheet 477 · Skill 1
Compass conversions
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A magnetic course of 298°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
A bearing on the chart is 243°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
The course laid off on the chart is 066°T. What do you steer by the steering compass?
Give whole degrees (000 to 359). This one must be exact.
Compass course: ________ °C
You are steering 004° by the steering compass. What is the true course?
Give whole degrees (000 to 359). This one must be exact.
True course: ________ °T
A bearing on the chart is 311°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
A magnetic course of 087°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
A magnetic course of 207°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
You are steering 330° by the steering compass. What is the true course?
Give whole degrees (000 to 359). This one must be exact.
True course: ________ °T
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Compass course: 298 °C | No. 477001 (worked solution) |
| 2 | Magnetic bearing: 237 °M | No. 477002 (worked solution) |
| 3 | Compass course: 061 °C | No. 477003 (worked solution) |
| 4 | True course: 359 °T | No. 477004 (worked solution) |
| 5 | Magnetic bearing: 297 °M | No. 477005 (worked solution) |
| 6 | Compass course: 091 °C | No. 477006 (worked solution) |
| 7 | Compass course: 202 °C | No. 477007 (worked solution) |
| 8 | True course: 321 °T | No. 477008 (worked solution) |