Nearly five decades before the Wright Flyer made its first flight, Henri Giffard had flown 24 km in France with his steam-engine powered airship. Since then airships have risen to its ultimate glory and have also seen a vicious downfall. The end of 20th century has rekindled interest in airship due to their efficiency and ability to stay afloat in the air for prolonged duration. I do not believe that airships can replace the conventional heavier-than-air aircraft. However, they are an ideal…See More