The BA's "duck story" reminded me of my own U.F.O. sighting from a few months back.

It was twilight and I was watching a light aircraft flying north to south, it's red and white lights flashing. As I continued to watch I realised that I couldn't hear any engine noise. Then the red and white lights begin to separate and move away from each other. Well I was a little freaked out until I realised what it was I was seeing. Two jet aircraft, very far away, One overlapping the other from my point of view until my point of view was changed by their movement.
I felt kind of dopey that I'd been so fooled (if only for a moment) by this until I read the BA's "duck story". Now I don't feel so bad. Under the right condtions just about anyone can be temporarily fooled.