The ops normal call is a very standard bit of rtf in the Belfast area. Although the festivities have died down a bit there it was not too long ago that 2 helicopters sat on top of the city to relay coms etc. As the unit had only primary radar they were invisible and so an ops normal call every 30 mins or for a qnh change was just a normal thing. I can`t remember ever having used it to a civilian aircraft but my memory ain`t what it used to be.