Worksheet 580 · Skill 1
Compass conversions
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A magnetic course of 093°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 030° 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 170° 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 134° by the steering compass. What is the true course?
Give whole degrees (000 to 359). This one must be exact.
True course: ________ °T
The course laid off on the chart is 292°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 146° 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 339°C. What is the magnetic heading?
Give whole degrees (000 to 359). This one must be exact.
Magnetic heading: ________ °M
The steering compass reads 335°C. What is the magnetic heading?
Give whole degrees (000 to 359). This one must be exact.
Magnetic heading: ________ °M
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Compass course: 087 °C | No. 580001 (worked solution) |
| 2 | True course: 021 °T | No. 580002 (worked solution) |
| 3 | True course: 172 °T | No. 580003 (worked solution) |
| 4 | True course: 118 °T | No. 580004 (worked solution) |
| 5 | Compass course: 306 °C | No. 580005 (worked solution) |
| 6 | True course: 154 °T | No. 580006 (worked solution) |
| 7 | Magnetic heading: 335 °M | No. 580007 (worked solution) |
| 8 | Magnetic heading: 340 °M | No. 580008 (worked solution) |