Navigate / EASA

CS 31TGB.20 Controllability

ED Decision 2013/011/R

(a)     The balloon is safely controllable and manoeuvrable without requiring exceptional skill. Associated operational limitations are established and included in the Flight Manual. (See CS 31TGB.81(b)(2))

(b)     The continuing controllability of the balloon or other mitigations are provided to give each occupant every reasonable chance of escaping serious injury in the following emergency conditions:

(1)     Potential or unintended free flight.

(2)     Terminating operation in wind conditions exceeding the operating limitations by 50 %.

(3)     Tether system failure that prevents descent from the maximum operating height or any other height if considered more critical.