Worksheet 74 · Skill 1
Compass conversions
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The course laid off on the chart is 273°T. 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 237°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 312° 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 313°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
You are steering 095° by the steering compass. What is the true course?
Give whole degrees (000 to 359). This one must be exact.
True course: ________ °T
You are steering 276° by the steering compass. What is the true course?
Give whole degrees (000 to 359). This one must be exact.
True course: ________ °T
A magnetic course of 149°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 275°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. | Answers | Problem |
|---|---|---|
| 1 | Compass course: 270 °C | No. 74001 (worked solution) |
| 2 | Compass course: 237 °C | No. 74002 (worked solution) |
| 3 | True course: 325 °T | No. 74003 (worked solution) |
| 4 | Magnetic bearing: 304 °M | No. 74004 (worked solution) |
| 5 | True course: 113 °T | No. 74005 (worked solution) |
| 6 | True course: 278 °T | No. 74006 (worked solution) |
| 7 | Compass course: 148 °C | No. 74007 (worked solution) |
| 8 | Compass course: 270 °C | No. 74008 (worked solution) |