Yn ôl y contract a lofnodwyd rhwng Van Air a Gweinidogion Cymru, roedd gofyn i Van Air ddarparu ystod lawn o wasanaethau, o ddarparu ehediadau diogel ar y llwybr i ddarparu gwasanaethau ategol i deithwyr gan gynnwys tocynnau, gwasanaethau cwsmeriaid a marchnata.  Roedd Van Air wedi contractio’r swyddogaethau hyn i Citywing o Ynys Manaw.
The air service contract agreement was between Van Air and the Welsh Ministers.  The contract required Van Air to provide a full range of services from safely operating the route to the provision of complementary passenger functions, including ticketing, customer services and marketing the route.  Van Air contracted these functions out to its preferred supplier, Isle of Man based Citywing.