Flashing Light
Watch Training Workbook
Campus Life
The Joe Show
Deck Skills
Celestial Nav.
Ship Structure
Rules of the Road
Ship and Cargo Ops.
Shipping Info
Shanties and Sea Lore
World Port/Drink Guide

A is for Asshole, like a loop in a rope

-Abaft - toward the after end of the ship, behind
-Abeam - bearing 90 degrees from the bow or stern
-Absolute Zero – the theoretical point at which no molecular movement is occurring within a substance
-Advection - The horizontal transfer of energy, usually by wind
-Aft - referring to the rear of the ship. You could say, "the lines are stored aft."
-Air Glow - A faint glow of light emitted by excited gases in the upper atmosphere; much fainter than the aurora.
-Albedo - percent of radiation returning from a surface compared to that which strikes it
-Amidships - halfway between the forward and after ends of the ship; also a helm order for 0 degrees of rudder
-Annual range of temperature – the difference between the warmest and coldest months at any given location.
-Asshole: loop or kink in a rope caused by poor coiling

-Astronomical Unit: the average distance from the Earth to the Sun. (about 93 million miles) 
-At ease - hands folded behind the back, feet shoulder width apart; sipping a beer on a beach with a beautiful ladyfriend
-Athwartships - running laterally from one side of the ship (port) to the other (starboard)

-Atmospheric Window - the wavelength range between 8 and 11 mm in which little absorption of infrared radiation takes place.


-Attention - something none of us wishes to pay; feet together at 45 degree angles from each other, fists at side along seam of pants


-Aurora Australis - glowing light display in the Southern Hemisphere night time sky caused by excited gases glowing in the upper atmosphere


-Aurora Borealis - glowing light display in the Northern Hemisphere night time sky caused by excited gases glowing in the upper atmosphere


-Autumnal equinox – the equinox at which the sun approaches the Southern Hemisphere and passes directly over the equator. Occurs around September 23.