Worksheet 470 · Skill 1
Compass conversions
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A bearing on the chart is 143°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 004°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 231°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
The course laid off on the chart is 024°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 119° 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 268°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 340°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 219° 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 | Magnetic bearing: 142 °M | No. 470001 (worked solution) |
| 2 | Compass course: 010 °C | No. 470002 (worked solution) |
| 3 | Compass course: 237 °C | No. 470003 (worked solution) |
| 4 | Compass course: 025 °C | No. 470004 (worked solution) |
| 5 | True course: 133 °T | No. 470005 (worked solution) |
| 6 | Compass course: 267 °C | No. 470006 (worked solution) |
| 7 | Compass course: 338 °C | No. 470007 (worked solution) |
| 8 | True course: 215 °T | No. 470008 (worked solution) |