10:55u LT: LOBO 713 (UC-35D / 166713) 121.500 Maastricht Radar / plotting SE-bound overhead NL @FL410 / unable to work on the regular UAC frequencies, VHF-radio not 8.33 kHz equipped and UHF-radio not working. Maastricht was talking about a possible descent into lower airspace to work with Amsterdam Radar.
N325: Netherlands Navy NH90 N-325 just overhead my house inbound Hilversum Airport (EHHV) for a low approach at runway 25. Comms with Hilversum Radio on 131.0250 MHz.