I can see when British Airways will inaugurate a new line of flying on this page. But what about the inauguration of a new aircraft? I would expect these to be out of Heathrow owing to the huge pilot training centre there, but how can a person be among the first passengers to book and fly? Surely by the time an entry appears on the Wikipedia it's too late to book the inaugural flight?
There's a question in the archives here How to fly on the new Boeing 787 Dreamliner? which discusses some of the ways to find out, but it's nearly five years old and I'm interested in more than just the Dreamliner.