African Airlines 
facility disposal area 
Factorial discriminant analysis 
Failure Detection Annunciator 
Fault Detection and Accommodation 
Fault Detection and Annunciation 
Fault Detection Annunciation 
Feature Data Area 
Federal Drug Administration 
Feynman-Dyson Amplitude 
Field Device Agent 
Field Device Application 
Final Design Approcal 
Final Design Approval 
Finite Difference Analysis 
Finite Difference Approximation 
First Delivery Attempt 
Fisher discriminant analysis 
Fisher's discriminant analysis 
Flight Deck Assembly 
Flights Data Analysis 
Flood and Drug Administration's 
Florida Dental Association 
fluorescein diacetate 
fluorescein-dextran-amine 
Fluosol-DA 
Fluosol-DA 20% 
foam destroying action 
Food & Drug Administration 
Food and Drug Act