The Tuiair callsign was very unpopular with our pilots and controllers alike. It was very difficult to pick up from a foreign controller when English was not the mother tongue. We were being mixed up with other group airlines callsigns and safety was a major concern. The crews bombarded the company with Air safety Reports over the issue. The problem was from the controllers end that the trigraph on the controllers screen remained TOM. So,a controller saw TOM123, on the radar screen ,but needed to say TUIAIR 123. Now, the controller will still see TOM 123 on his/ her screen but will now verbalise TOMJET 123.
It was introduced at very short notice due to an administrative error. Was planned for 1st November.