I have to agree with BEagle, CornishJack and co.
An unauthorised, unbriefed, unpractised flyby done just for the hell of it is just about the most stupid, unprofessional, dangerous thing you could do.
For those who say that sacking was over the top - matter of opinion. I disagree with you.
Stick to the rule book, stick to what you've been taught, keep your head down and you won't go far wrong. Indulge yourself in high jinks and you have only yourself to blame for the consequences.