Worksheet 89 · Skill 1
Compass conversions
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A magnetic course of 276°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 272° 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 289° 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 082°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 190°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 149° 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 262°C. What is the magnetic heading?
Give whole degrees (000 to 359). This one must be exact.
Magnetic heading: ________ °M
You are steering 088° 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 | Compass course: 273 °C | No. 89001 (worked solution) |
| 2 | True course: 286 °T | No. 89002 (worked solution) |
| 3 | True course: 305 °T | No. 89003 (worked solution) |
| 4 | Magnetic bearing: 074 °M | No. 89004 (worked solution) |
| 5 | Compass course: 187 °C | No. 89005 (worked solution) |
| 6 | True course: 133 °T | No. 89006 (worked solution) |
| 7 | Magnetic heading: 256 °M | No. 89007 (worked solution) |
| 8 | True course: 079 °T | No. 89008 (worked solution) |