air balloon
2 pages, 2 sources in the end of the pages, 1 quote.
velopment – early stages, blueprint drawing, etc.: o Building – the construction process as it occurred o Testing – this is usually the most interesting stage of any aircraft Deployment- when was it first used? Was it successful at first? Competitiveness doesn’t apply to ever aircraft, but definitely to airliners Current status – are the still being used, sitting in boneyards, or sitting in museums?
Specifications: size, altitude, weight, payload , passenger capacity, navigation system, fuel capacity, range, fuslage material,
