The following questions are based on Chart 12221TR, Chesapeake Bay Entrance, and the supporting publications. The draft of your vessel is 9.0 feet (2.75 meters) Gyro error is 2°W Variation is 10°W "Per standard magnetic compass" is abbreviated "psc" “Per gyrocompass” is abbreviated “pgc” DEVIATION TABLE Magnetic Deviation Heading 1.5°E 000° 2.0°E 030° 1.0°E 060° 0° 090° 1.0°W 120° 1.5°W 150° 2.5°W 180° 1.5°W 210° 1.0°W 240° 0.5°W 270° 0° 300° 0.5°E 330°
At 0250, Great Machipongo Inlet Light "5" (37°21.8'N, 75°43.7'W) bears 279°pgc. At 0320, the light bears 320° pgc. If you are making good 6.5 knots, what is the position of your 0320 running fix?
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