Sorry to disappoint you, but the Belgian F-16 display won't be there, the poster on Flugzeugforum had simply misread the news on Milaviapress. Mickey will be in Sunderland that weekend.
At the risk of sounding negative: last year, there was some confusion at Belgian Defence between the An-26 and An-30, the open skies aircraft. Their lists constantly mixed both up. What would the chances be of this being the same confusion and it turns out to be the same An-30 Open Skies Antonov as ...
I'm sure the bureau Open Dagen has all this info. This would in any case be too late to request participation of this kind. Also, the F-15E demo will be in Langley that weekend
Some additional info: Both the Czech and Hungarian Hind will be displaying. The Hungarian Mi-17 will be in the static park, as will be a Royal Navy Lynx.