Worksheet 653 · Skill 1
Compass conversions
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The course laid off on the chart is 044°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 106° 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 100°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 bearing on the chart is 348°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 359°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 210° 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 269°T. 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 137°T. 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: 056 °C | No. 653001 (worked solution) |
| 2 | True course: 103 °T | No. 653002 (worked solution) |
| 3 | Magnetic bearing: 091 °M | No. 653003 (worked solution) |
| 4 | Magnetic bearing: 358 °M | No. 653004 (worked solution) |
| 5 | Compass course: 005 °C | No. 653005 (worked solution) |
| 6 | True course: 228 °T | No. 653006 (worked solution) |
| 7 | Compass course: 255 °C | No. 653007 (worked solution) |
| 8 | Compass course: 144 °C | No. 653008 (worked solution) |