What requirement must a student pilot fulfill to operate a balloon in solo flight?

A student pilot must have received and logged training from an authorized instructor to operate a balloon in solo flight. This requirement ensures that the pilot has received adequate instruction on the specific skills and knowledge needed to safely pilot a balloon on their own. The training from an authorized instructor includes understanding balloon operation, understanding various environmental conditions, and the ability to perform necessary maneuvers safely.

The requirement for instructor training is critical because ballooning presents unique challenges compared to other forms of flight. An authorized instructor not only imparts the essential techniques needed for balloon flight but also helps the student understand the responsibilities of solo flying, such as adherence to regulations and safe operational practices.

Other options, such as logging a specific number of flight hours or completing a written exam, do not adequately cover the essential training aspect and may not fully ensure the pilot is prepared for the responsibilities that come with solo operations. Participating in a group flight, while potentially beneficial for experience, does not meet the structured training requirement needed for a student pilot to be deemed ready for solo balloon flight.