Worksheet 439 · Skill 1

Compass conversions

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A magnetic course of 136°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
A magnetic course of 025°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 102°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 099°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 022°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 079° 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 102°C. What is the magnetic heading?
Give whole degrees (000 to 359). This one must be exact.

Magnetic heading: ________ °M
A magnetic course of 159°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	Compass course: 141 °C	No. 439001 (worked solution)
2	Compass course: 028 °C	No. 439002 (worked solution)
3	Magnetic heading: 099 °M	No. 439003 (worked solution)
4	Magnetic bearing: 111 °M	No. 439004 (worked solution)
5	Magnetic bearing: 036 °M	No. 439005 (worked solution)
6	True course: 069 °T	No. 439006 (worked solution)
7	Magnetic heading: 102 °M	No. 439007 (worked solution)
8	Compass course: 159 °C	No. 439008 (worked solution)