Listed below is a complete list of the Geography questions, in the FAQ.
The question "Why does the hull of a ship disappear over the horizon before the mast does?" is
not in this list. It is also not among the other sections: General, Government, The Earth In Space and Religion.
Geography
Q: Do you have a map?
Q: Exactly what shape is the Earth if it's flat? Square or circle?
Q: "Why doesn't water run off the Earth?"
Q: "How does global warming affect the ice wall?"
Q: "What about tides?"
Q : "Why is the North pole colder than the equator?"
Q: "How do volcanic eruptions happen?"
Q: "What about time zones?"
Q: "What about Lunar Eclipses"
Q: "How come the travel time by air from South America to New Zealand, via the polar route, is SHORTER than the travel time going North first and then South again?"
Q: "How can a compass work on a Flat Earth?"
Q: "When traveling in a straight direction, you will always reach the same point on the globe from where you started. How can this happen if the world is flat?"
Q: If you go directly south won’t you eventually fall off the edge of the Earth?
Q: How come when I flush my toilet in the northern hemisphere it goes counterclockwise but I have this friend in Australia and when he flushes it goes clockwise?
Q: How do seasons work?
I have also tried to search for the question. A search for "ship" and "horizon" found nothing. A search for "horizon" found four pages of results including two addressing this question at:
http://theflatearthsociety.org/forum/index.php?topic=12873.msg190339;topicseen#msg190339http://theflatearthsociety.org/forum/index.php?topic=11560.0I can't decide if this site is a hoax or if the people running it are sincere. I can't see much point in posting anything here. No one is going to be converted and the posts get increasingly vitriolic. A lot of heat gets generated, but no light.
Is there anything more up to date than Rowbotham's book? His 3rd edition was published in 1872. Has no-one repeated his experiments or devised new ones?
It will take more than telling me that I'm brainwashed, and that the Round Earth is an international conspiracy, to convince me.