Airlines are classified by AviRate as follows:

             N/A - NotRated-Head.png  
  LOW COST -  star1-Head.png  
  TOURIST -  star2-Head.png  
  COMFORT -  star3-Head.png  
  PREMUIM -  star4-Head.png  
  SUPERIOR -  star5-Head.png  

    Ratings with an Asterix " * " are preliminary assessments only
and awaiting further information before final classification is given.
It is not to be construed as the Airlines final classification.

OkAirways120.png Okay Airways same3.png AAA NotRated1.png
OlympicAir120.png Olympic Air same3.png AAA NotRated1.png
OmanAir120.png Oman Air same3.png AAA star4-List.png*
OneAirlines120.png One Airlines same3.png A+   NotRated1.png
OnurAir120.png Onur Air same3.png AAA star2-List.png*
OpenSkies120.png Open Skies same3.png AAA NotRated1.png
Orbest120.png Orbest same3.png AAA NotRated1.png
OrientalThaiAirlines120.png Orient Thai Airlines DOWN1.png CCC Not Rec..png
OrientalAirBridge120.png Oriental Air Bridge same3.png A+   NotRated1.png
OverlandAirways120.jpg Overland Airways same3.png AAA NotRated1.png