The following questions are based on Chart 12221TR, Chesapeake Bay Entrance, and the
supporting publications.

Your vessel has a draft of 8.0 feet (2.4 meters)
Gyro error is 2°W
Variation is 10°W

"Per standard magnetic compass" is abbreviated "psc"
“Per gyrocompass” is abbreviated “pgc”

At 1730 your position is LAT 37°13.9'N, LONG 76°26.4'W.
You are steering course 088°psc at an engine speed of 8.0 knots.

What is your distance off Tue Marshes Light at 1730?

Question

The following questions are based on Chart 12221TR, Chesapeake Bay Entrance, and the
supporting publications.

Your vessel has a draft of 8.0 feet (2.4 meters)
Gyro error is 2°W
Variation is 10°W

"Per standard magnetic compass" is abbreviated "psc"
“Per gyrocompass” is abbreviated “pgc”

At 1730 your position is LAT 37°13.9'N, LONG 76°26.4'W.
You are steering course 088°psc at an engine speed of 8.0 knots.

What is your distance off Tue Marshes Light at 1730?

Accepted Answer

2.6 miles

Answer

3.2 miles

Answer

2.8 miles

Answer

3.0 miles

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