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]
source: Docket No. 1437, 29 FR 8258, July 1, 1964, as amended by Amdt. 31-1, 29 FR 14563, Oct. 24, 1964, unless otherwise noted.
cite as: 14 CFR 31.16