rtd1. an indonesian military chief said " the aircraft was not detected flying over our territory" which is not the same as saying we never saw it. radars often cover large tracts of someone else's territory or airspace under its control and I suppose the convention is that you do not comment on what you have seen going on there. ditto malaysia,
they reported their last radar contact was at igrex which is at the edge of the malaysian administered airspace.