14 C.F.R. § 31.16 Empty weight.
Title 14 - Aeronautics and Space
The empty weight must be determined by weighing the balloon with installed equipment but without lifting gas or heater fuel. [Amdt. 31–4, 45 FR 60179, Sept. 11, 1980]
Title 14: Aeronautics and Space
PART 31—AIRWORTHINESS STANDARDS: MANNED FREE BALLOONS
Subpart B—Flight Requirements
§ 31.16 Empty weight.
