Worksheet 90 · Skill 1
Compass conversions
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The course laid off on the chart is 203°T. What do you steer by the steering compass?
Give whole degrees (000 to 359). This one must be exact.
Compass course: ________ °C
The steering compass reads 293°C. What is the magnetic heading?
Give whole degrees (000 to 359). This one must be exact.
Magnetic heading: ________ °M
You are steering 244° 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 034°C. What is the magnetic heading?
Give whole degrees (000 to 359). This one must be exact.
Magnetic heading: ________ °M
You are steering 138° 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 312°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 225°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 steering compass reads 338°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: 211 °C | No. 90001 (worked solution) |
| 2 | Magnetic heading: 292 °M | No. 90002 (worked solution) |
| 3 | True course: 252 °T | No. 90003 (worked solution) |
| 4 | Magnetic heading: 034 °M | No. 90004 (worked solution) |
| 5 | True course: 139 °T | No. 90005 (worked solution) |
| 6 | Magnetic bearing: 298 °M | No. 90006 (worked solution) |
| 7 | Compass course: 227 °C | No. 90007 (worked solution) |
| 8 | Magnetic heading: 334 °M | No. 90008 (worked solution) |