http://www.defensie.nl/_system/handlers ... 207945.pdf
IN EXERCISE 'CHALLENGE' INTENSE MIL HELICOPTER ACTIVITY CAN
BE EXPECTED BELOW MNM VFR ALT AT PSN 513057N0055022E RADIUS 6.5NM
BTN GND/FL065. GND - FL065, DAILY 0600-1800, 10 SEP 06:00 2013 UNTIL 13 SEP
18:00 2013. CREATED: 28 AUG 08:25 2013