Worksheet 509 · Skill 1
Compass conversions
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You are steering 259° 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 152° 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 263°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 181°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 308° 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 317°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 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
You are steering 103° 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 | True course: 252 °T | No. 509001 (worked solution) |
| 2 | True course: 145 °T | No. 509002 (worked solution) |
| 3 | Magnetic bearing: 260 °M | No. 509003 (worked solution) |
| 4 | Compass course: 184 °C | No. 509004 (worked solution) |
| 5 | True course: 303 °T | No. 509005 (worked solution) |
| 6 | Compass course: 312 °C | No. 509006 (worked solution) |
| 7 | Compass course: 297 °C | No. 509007 (worked solution) |
| 8 | True course: 111 °T | No. 509008 (worked solution) |