ANNEX RULES OF THE AIR

Appendix 2 Unmanned free balloons

4. TERMINATION

4.1. The operator of a heavy unmanned free balloon shall activate the appropriate termination devices required by 3.3(a) and (b):

(a)

when it becomes known that weather conditions are less than those prescribed for the operation;

(b)

if a malfunction or any other reason makes further operation hazardous to air traffic or to persons or property on the surface; or

(c)

prior to unauthorised entry into the airspace over another State’s territory.