Remote possibility, but could the filing of flight plans perhaps have been an unofficial negotiating tactic by the CAA ? Officially nobody at the CAA said a word against Monarch / Greybull but perhaps someone intended to leave a trail of clues knowing it would get picked up and make it to twitter ? If Greybull were playing tough in negotiations last month, perhaps a need existed at the time for the regulator to let Greybull become acutely aware of the CAA's capabilities ?