Bush said he was prepared to shoot down threatening planes. Thus, he had no reason not to say he did that, if he did.
He is not Clinton, he will tell it like it is.
The people on the plane knew it had to come down. Noone would blame Bush for taking it out, if he had. So what would be the reason for the coverup? I see no reason to lie. Clinton would have lied just for the hell o it. I don't see this in Bush.
The web site obviously