Answers. Best Answer: FL means Flight Level. It's used above 18.000ft (in the US, in other countries other altitudes are used as the boundary) to indicate the altitude in hundreds of feet. So FL230 is 23.000ft standard altitude.est Answer: FL means Flight Level. It's used above 18.000ft (in the US, in other countries other altitudes are used as the boundary) to indicate the altitude in hundreds of feet.
The nostrils, which form the external entrance of the nose, lead into the two nasal cavities, which are separated from each other by the nasal septum, a partition formed of cartilage and bone. Three bony ridges project from the outer wall of each nasal cavity and partially divide the cavity into three air passages.
An aquiline nose (also called a Roman nose or hook nose) is a human nose with a prominent bridge, giving it the appearance of being curved or slightly bent.The word aquiline comes from the Latin word aquilinus (eagle-like), an allusion to the curved beak of an eagle.he flat, broad nose is ubiquitous among most populations in Africa, and is noted by nineteenth-century writers and travelers (such as Colin Mackenzie) as a mark of  Negroid  ancestry. It stands in opposition to the narrow aquiline, straight or convex noses (lepthorrine), which are instead deemed  Caucasian .