The following passengers are not applicable for online check-in
a. those requiring wheelchair or medical assistance
b. unaccompanied minors and passenger travels with baby
c. traveling in a group and are registered as a group in the booking
d. passenger with i class or e class
e. those with ticket number not beginning with 851
f. Hong Kong airlines and other airlines flight code sharing
g. those are specificed by Hong Kong Airlines not available for online check-in