ED Decision 2011/012/R
These Certification Specifications (SCs) are applicable to manned free balloons that derive their lift from gas being lighter than air.
ED Decision 2011/012/R
Definition of terms used:
(a) The ‘envelope’ contains the medium which provides the lift.
(b) A ‘basket’ is the basket, seat frame or other means suspended beneath the envelope provided for the carriage of the balloon occupants.
(c) ‘Disposable ballast’ is the amount of ballast required to be available for flight path management.
(d) ‘Tethered flight’ is the temporary restraint of a free balloon whilst in flight for the purposes of conducting an entire flight at a single location.
(e) ‘Launch restraint’ is the temporary restraint of a free balloon for the purpose of initiating a free flight.