NCL and EXT are operating on a reduced season, for Summer 2010, they are on the same TS aircraft as a double drop on an A310.
YHZ is being operated on an Canjet 737 but seems to be under a TS flight number. YFC seems to be off sale so not sure if it will indeed operated for Summer 2010.
TCX are operating all GLA, MAN and BHX flights for Canadian Affair. TCX are operaing LON along with TS and Canjet.