According from your question.
In case Handling flight for flight within the samp day, surcharge one thought and additional charge for services over pakage Ref.from the SGHA.
1.Line 50 Date : 27/3/16(Sked: SIN-DMK-SIN) But DMK-SIN aircraft broblem can’t push-out aircraft surcharge full price because not have notification
2. Line 53 Date : 29/3/16 ( DMK- SIN ) Ferry Out Charge 50% of rate.