The following questions are to be answered using Chart 12221 TR, Chesapeake Bay Entrance, and supporting publications. You are on an oceanographic research vessel equipped with standard navigational equipment. The gyro error is 2°W. The maximum draft is 13 feet. Use 10°W variation where required.

DEVIATION TABLE
Magnetic Heading Deviation
060° 1°W
075° 0°
090° 1°E

Chesapeake Channel is temporarily closed to traffic. At 2215 you anchor on the following bearings:

Wolf Trap Light: 358°pgc
Light "HH": 301°pgc
New Point Comfort Spit Light "2": 263°pgc

What is your 2215 position?

Question

The following questions are to be answered using Chart 12221 TR, Chesapeake Bay Entrance, and supporting publications. You are on an oceanographic research vessel equipped with standard navigational equipment. The gyro error is 2°W. The maximum draft is 13 feet. Use 10°W variation where required.

DEVIATION TABLE
Magnetic Heading    Deviation
060°                       1°W
075°                       0°
090°                       1°E

Chesapeake Channel is temporarily closed to traffic. At 2215 you anchor on the following bearings:

Wolf Trap Light:	358°pgc
Light "HH":	301°pgc
New Point Comfort Spit Light "2":	263°pgc

What is your 2215 position?

Accepted Answer

LAT 37°18.3'N, LONG 76°10.9'W

Answer

LAT 37°18.0'N, LONG 76°11.2'W

Answer

LAT 37°18.2'N, LONG 76°11.2'W

Answer

LAT 37°18.1'N, LONG 76°10.8'W

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