They provide safe, secure and convenient services.The business Class offers 30 KG for their 
passengers and more facilities for businessmen 
The economy class offers.20 KG for their passenger 
entertainment.Passengers can buy air tickets directly online, 
through airline call centers, offices, airport offices or 
indirectly through travel agencies.Scheduled airlines provide domestic, international 
and intercontinental services with short, medium and 
long haul itineraries.Scheduled airlines are supported by their governments.They have different types of aircrafts.