Landing Rights Airport 
Laser Release Analysis 
Laser Research Association 
Laser Retroreflector Array 
Latching Rocker Arm 
lateral right atrium 
Launch Relay Assembly 
left renal 
left renal artery 
Lender Request for Assistance 
Lending risk analysis 
Light Registration Authority 
line receiving amplifier 
Line Replaceable Assembly 
Linear Regression Analysis 
linear response approximation 
Little Red Air Service 
LOAD REAL ADDRESS 
Local Radio Association 
Local Redevelopment Authority 
Local Registration Agency 
Local Registration Agent 
Local Reproduction Authorized 
Local Reuse Authority 
locked-rotor amperes 
Logical Record Address 
Logical Reproduction Authority 
logistic regression analysis 
Long Range Aircraft 
Long Range Attack