Lighter-than-air - Craft

: Use a partial keel or frame to support the envelope and distribute weight. 2. Lifting Agents

: Feature an internal structural framework that holds the gas cells and maintains the ship's shape regardless of gas pressure. lighter-than-air craft

: Rely entirely on internal gas pressure to maintain their shape. : Use a partial keel or frame to

The choice of gas determines the lift capacity and safety profile of the craft: lighter-than-air craft

LTA vehicles are broadly categorized into unpowered and powered versions: