The service has since been upgraded back to an A330-200.
As at 1 February 2008, the service has been upgraded to become four times per week.
Now the Park has the plan to slowly upgrade facilities, services and marketing until the year 2025.
From 14 March 1985, the service was upgraded to limited express status.
In recent years the government has encouraged foreign investment to upgrade hotels and other services.
On March 18, 2006, the service was upgraded to incorporate additional features.
Civil services are being upgraded and incentivized to perform better.
In many cases the free services can be upgraded with various premium services.
The initial service of three per week in summer only was upgraded to a daily service all year, leaving at 7.00am.
The service was upgraded from beta status on July 7, 2009, at which time it had 146 million users monthly.