Almost inevitably, in an attempt to alert people to events at an early stage we may use second-hand or less-than-complete information. I/we will always try to clarify and correct as quickly as possible.
In the case of the plane sightings at Brize Norton, it now seems extremely probable that there has so far only been one plane. One of the reasons for confusion is that we sometimes get information from several different sources. As regards Brize Norton, we received information from an eye witness, but also from people elsewhere in the UK who have been tracking planes via U.S. sources such as www.flytecomm.com. This website gives information about intended flight departure and arrival times etc but does not necessarily show the actual times if there are delays or re-routing. Hence discrepancies in our reports. Below is the text of an email I received yesterday from a UK tracker: