While most commercial hot air balloon operators do not have a "hard" maximum weight limit for individuals, they do require accurate weight information at the time of booking to ensure a safe and balanced flight. In 2026, the pilot uses the "gross weight" (the sum of the equipment, fuel, and all passengers) to calculate the "lift" required for the specific weather and temperature of the day. A high-value "industry standard" policy is that passengers weighing over 300 lbs (136 kg) may be required to purchase a second "spot" or pay a surcharge to account for the extra space and fuel needed. There is also a minimum weight/height requirement: children usually must be at least 48 inches tall to see over the basket edge safely. This policy isn't about discrimination; it is a premier safety protocol based on the immutable laws of physics to ensure the balloon can clear obstacles and land gently without exceeding its structural capacity.