Your GPS shows a position of LAT 37°07.5′ N, LONG 75°39.1′ W. What is the course per standard magnetic compass (psc) to a position 0.3 mile due north of North Chesapeake Entrance Buoy NCA (LL #375)?

At 0919 your position is LAT 37°00.0′ N, LONG 75°30.0′ W. You are on course 270° T at 8.7 knots. At 1000 your position is LAT 36°59.5′ N, LONG 75°37.0′ W. What was the current?

What is the significance of the letter(s) “TR” in this chart number 12221TR?

At 1422 your GPS shows your position as LAT 37°07.5′ N, LONG 75°39.1′ W. At 1549 it shows your position as LAT 36°57.0′ N, LONG 75°41.0′ W. What was the course made good between the fixes?

Your position is LAT 37°00.0′ N, LONG 75°30.0′ W. What is the course to steer per standard magnetic compass to arrive at LAT 36°59.0′ N, LONG 75°48.5′ W, if the current is 043° T at 1.3 knots, a south-southeasterly wind is causing 3° of leeway, and you are turning for 8.7 knots?

While in the Back River, you sight the two tanks along the Northwest Branch (vicinity LAT 37°05.6′ N, LONG 76°22.0′ W) in line bearing 277° per standard magnetic compass. If your vessel is heading 243° psc, what is TRUE?

You are on course 300° per standard magnetic compass (psc) §when you take the following bearings: New Point Comfort Spit Light “2” 240° psc Horn Harbor Entrance Light HH 268° psc Wolf Trap Light 003° psc What is the position of the fix?

At 0919 you are in Chesapeake Channel between Trestle B and Trestle C of the Chesapeake Bay Bridge and Tunnel. What is your ETA between York River Entrance Channel Buoys “17” and “18” if you are making 11.3 knots?

Why are there no buoys charted at the approach to Sand Shoal Inlet (LAT 37°16′ N, LONG 75°46′ W)?