Geographic range is the maximum distance at which a light may be seen under which conditions?

At 0445 you take the following lines bearings: Montauk Point Light 292°pgc B...

At 0455 you encounter fog and slow to 5 knots. At 0500, you obtain a radar fix f...

At 0520 your position is LAT 41°07.2'N, LONG 71°41.6'W. You set course to leave...

At 0725 you determined your vessel's position to be 37°15.5'N, 75°33.2'W. Assumi...

At 0800 you reduce speed from sea speed. Speed was reduced by the time you passe...

From your 0820 position you change course to your rendezvous position, one mile...

From your 0841 position, you are steering a course of 241°T to the northeasterly...

From your 0847 fix, you change course to arrive at the rendezvous position and,...

At 0847 you take a round of bearings as follows: Middle Ground Shoal Light 2...

At 0907 you change course to 224°T, and your speed is now 13.0 knots. At 0939 Ch...