“balloon” means a manned lighter-than-air aircraft which is not power-driven and sustains flight through the use of either a lighter-than-air gas or an airborne heater, including gas balloons, hot-air balloons, mixed balloons and, although power-driven, hot-air airships;’;
“ballon à gaz captif”, un ballon à gaz muni d'un système d'ancrage continu à un point fixe pendant l'exploitation;»;