The world's first full sized hybrid aircraft, fuelled in part by helium, has taken to the skies again after crash-landing last summer. The Airlander 10, a creation of UK-based manufacturer Hybrid Air Vehicles (HAV), completed a successful test flight after a heavy landing last August put the vessel out of action. The 92m-long aircraft nosedived on landing during its second test flight in 2016, sustaining damage to its cockpit and flight deck.
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