What does FLU stand for?

Aviation Support Service - FCC radio station class code (FCCC)

Fault Location Unit - Aerospace (AAG)

Federation of Labor Unions - Lebanon

Final Limit, Up

First Line Unit (MCD)

Flight Loads Unit (MCD)

Fluid (SAUS)

Flunitrazepam - A hypnotic

Fluoxetine (SAUS)

Flyer Yachts Ltd., Venice, CA - Manufacturer code for watercraft hull identification number (USCG)

Front for Liberation and Unity - Western Sahara

Front Line Units (ACAE)

Full Line-Up (SAUS)

New York/Flushing, NY - Location identifier - FAA (FAAL)

Florida - MARC country of publication code - Library of Congress (LCCP)

Influenza - Medicine (DAVI)