Worksheet 249 · Skill 1

Compass conversions

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The steering compass reads 320°C. What is the magnetic heading?
Give whole degrees (000 to 359). This one must be exact.

Magnetic heading: ________ °M
The steering compass reads 220°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 309°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 083° 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 161°C. What is the magnetic heading?
Give whole degrees (000 to 359). This one must be exact.

Magnetic heading: ________ °M
You are steering 276° 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 164° 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 034°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	Magnetic heading: 318 °M	No. 249001 (worked solution)
2	Magnetic heading: 219 °M	No. 249002 (worked solution)
3	Magnetic bearing: 315 °M	No. 249003 (worked solution)
4	True course: 076 °T	No. 249004 (worked solution)
5	Magnetic heading: 159 °M	No. 249005 (worked solution)
6	True course: 286 °T	No. 249006 (worked solution)
7	True course: 171 °T	No. 249007 (worked solution)
8	Magnetic bearing: 030 °M	No. 249008 (worked solution)