Worksheet 146 · Skill 1

Compass conversions

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You are steering 070° 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 188°C. What is the magnetic heading?
Give whole degrees (000 to 359). This one must be exact.

Magnetic heading: ________ °M
A bearing on the chart is 245°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
The course laid off on the chart is 202°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 025°C. What is the magnetic heading?
Give whole degrees (000 to 359). This one must be exact.

Magnetic heading: ________ °M
You are steering 255° 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 246° 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 356°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

Answer key

No.	Answers	Problem
1	True course: 071 °T	No. 146001 (worked solution)
2	Magnetic heading: 188 °M	No. 146002 (worked solution)
3	Magnetic bearing: 253 °M	No. 146003 (worked solution)
4	Compass course: 191 °C	No. 146004 (worked solution)
5	Magnetic heading: 024 °M	No. 146005 (worked solution)
6	True course: 245 °T	No. 146006 (worked solution)
7	True course: 228 °T	No. 146007 (worked solution)
8	Magnetic bearing: 359 °M	No. 146008 (worked solution)