C-FRJX built as the CRJ-700 prototype with cn 10001 first flight 27-May-1999, converted to CRJ-900 prototype with cn 15991 first flight 21-Feb-2001, converted to CRJ-1000 prototype with cn 19991 first flight 03-Sep-2008. It is here returning from a test flight. Note the special equipment on nose, top of fin and tail