Cessna C550 Citation Bravo made multiple approaches, now over Texel.
Looked to be PH-LAB
http://www.flightradar24.com/C550/35609e6
edit: could be ILS calibrations:
EHKD M0671/14 ILS U/S. 12 1030-1430, 13-15 0630-1430, 12 MAY
10:30 2014 UNTIL 15 MAY 14:30 2014. CREATED: 15 APR 14:41
2014