Worksheet 251 · Skill 1

Compass conversions

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A bearing on the chart is 073°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
You are steering 165° 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 236° 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 063°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 215°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 290°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 337° by the steering compass. What is the true course?
Give whole degrees (000 to 359). This one must be exact.

True course: ________ °T
A magnetic course of 208°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

Answer key

No.	Answers	Problem
1	Magnetic bearing: 069 °M	No. 251001 (worked solution)
2	True course: 160 °T	No. 251002 (worked solution)
3	True course: 227 °T	No. 251003 (worked solution)
4	Magnetic heading: 063 °M	No. 251004 (worked solution)
5	Magnetic bearing: 223 °M	No. 251005 (worked solution)
6	Compass course: 286 °C	No. 251006 (worked solution)
7	True course: 341 °T	No. 251007 (worked solution)
8	Compass course: 208 °C	No. 251008 (worked solution)