Worksheet 647 · Skill 1
Compass conversions
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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 150° 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 303° by the steering compass. What is the true course?
Give whole degrees (000 to 359). This one must be exact.
True course: ________ °T
The steering compass reads 061°C. What is the magnetic heading?
Give whole degrees (000 to 359). This one must be exact.
Magnetic heading: ________ °M
You are steering 053° 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 007°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 080° 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 115°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. | Answers | Problem |
|---|---|---|
| 1 | Compass course: 207 °C | No. 647001 (worked solution) |
| 2 | True course: 139 °T | No. 647002 (worked solution) |
| 3 | True course: 306 °T | No. 647003 (worked solution) |
| 4 | Magnetic heading: 061 °M | No. 647004 (worked solution) |
| 5 | True course: 049 °T | No. 647005 (worked solution) |
| 6 | Compass course: 008 °C | No. 647006 (worked solution) |
| 7 | True course: 096 °T | No. 647007 (worked solution) |
| 8 | Magnetic bearing: 121 °M | No. 647008 (worked solution) |