English abbreviations from flc to flk
- FLC (Falls Creek Airport)
- FLCC (Force Level Command and Control)
- FLCF (Force Level Control Function)
- FLCS (Force Level Control System (obsolete term))
- FLD (Fond du Lac County Airport)
- fld. (field)
- FLDF (Flying Lead Deployment Frame)
- FLD SVC (Field Service)
- FLE (Fort Lee Army Airfield (FAA: VA35))
- FLEA (Frangible Low-Energy Ammunition (i.e. a fragmentation grenade or a low-yield IED))
- FLED (Fort Lee Engineering Directorate)
- FLEET (Fleet Leading Everyones' Engineered Tomorrows)
- FLEFO (Fort Lee Engineering Field Office)
- FLENUMMETOCCEN (Fleet Numerical Meteorology and Oceanography Center)
- FLENUMMETOCDET (Fleet Numerical Meteorological and Oceanographic Detachment)
- FLEO (Fort Lee Engineering Office)
- FLET (Forward Line of Enemy Troops)
- FLF (Schäferhaus Airport)
- FLG (Falun Gong)
- FLH (Flotta Isle Airport)
- FLHP (Fannie Lou Hamer Project)
- FLI (Flateyri Airport)
- FLICS (Film Liaisons in California Statewide)
- FLIDB (Force Level Information Database)
- FLiE (Freshmen Leaders in Engineering)
- FLIP (Flight Information Publication)
- FLIR (Forward-looking infra-red)
- FLIRP (Force Level Information Requirements Plan)
- FLIRT (Fast Library Identification And Recognition Technology)
- FLIS (Federal Logistics Information System)
- FLITE (Federal Legal Information Through Electronics)
- FLIV (flowline injection valve)
- FLK (Also Funny-Looking Kid, a medical initialism for a young child with a mostly normal but somewhat unusual ("funny") appearance that raises the suspicion index for congenital disorder. Used only before a medical diagnosis has determined the cause of the unusual appearance.)