Originally Posted by
colmc
They don't use any of the major systems (such as Amadeus etc) but their own, in house system called Troya from what I rememeber. As such you won't find your reservations on checkmytrip etc
Actually their interface is Amadeus based. Try checking their PNR thru checkmytrip. You might just see it there.
Any seat selection though must be booked through TK themselves or thru the travel agency you bought your ticket from.