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

Your vessel draws 11 feet (3.3 meters)
Your height of eye is 24 feet (7.3 meters)
Gyro error is 2°W
Variation is 10°W

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

At 0410, you take the following bearings:

New Point Comfort Spit Light "2" 244°pgc
Wolf Trap Light 315°pgc

What is your 0410 position?

Question

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

Your vessel draws 11 feet (3.3 meters)
Your height of eye is 24 feet (7.3 meters)
Gyro error is 2°W
Variation is 10°W

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

At 0410, you take the following bearings:

New Point Comfort Spit Light "2" 244°pgc
Wolf Trap Light 315°pgc

What is your 0410 position?

Accepted Answer

LAT 37°21.0'N, LONG 76°08.1'W

Answer

LAT 37°21.1'N, LONG 76°07.9'W

Answer

LAT 37°21.1'N, LONG 76°08.8'W

Answer

LAT 37°21.2'N, LONG 76°08.3'W

🔍 Key Concepts