14 CFR § 31.16 - Empty weight.

---
identifier: "/us/cfr/t14/s31.16"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "14 CFR § 31.16 - Empty weight."
title_number: 14
title_name: "Aeronautics and Space"
section_number: "31.16"
section_name: "Empty weight."
chapter_name: "FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION"
subchapter_number: "C"
subchapter_name: "AIRCRAFT"
part_number: "31"
part_name: "AIRWORTHINESS STANDARDS: MANNED FREE BALLOONS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "49 U.S.C. 106(g), 40113, 44701-44702, 44704."
regulatory_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."
cfr_part: "31"
---


# 31.16 Empty weight.

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]