Lesson 11: Finding Course Per Magnetic Compass

Use chart 12221 TR, a variation of 9 West and the deviation table from lesson 10 - find both the course per magnetic compass (PMC) and distance in nautical miles for the following questions.

1. From 37º 07.5’ N 075º 39.1’ W to 36º 57.0’ N 075º 41.0’ W

- ____________ degrees PMC Distance ________nm


2. From 37º 01.6’ N 075º 31.7’ W to 36º 57.0’ N 075º 41.0’ W

- ____________ degrees PMC Distance ________nm


3. From 37º 00.5’ N 075º 43.8’ W to 37º 00.0’ N 075º 30.0’ W

- ____________ degrees PMC Distance ________nm


4. From Wolf Trap Light to New Point Comfort Spit Light “2”

- ____________ degrees PMC Distance ________nm

5. From Chesapeake Light to Buoy “NCA”

- ____________ degrees PMC Distance ________nm



Answers:

1. 200º PMC Distance = 10.7nm
2. 250º PMC Distance = 8.7nm
3. 099.5º PMC Distance = 11.1nm
4. 223.5º PMC Distance = 6.7 nm
5. 321º PMC Distance = 6.4 nm