The operator of a commercial air transport free balloon shall ensure that—
| (a) | a flight deck crew member completes a type or class conversion course in accordance with the applicable requirements prescribed in terms of this Part, when changing from one type or class of balloon to another type or class for which a new type or class rating is required; and |
| (b) | a flight deck crew member completes the operator's type conversion course before commencing unsupervised operational flying— |
| (i) | when changing to a balloon for which a new type or class rating is required; or |
| (ii) | when employed by such operator. |
