14 CFR Part 31
35 sections · 1 appendices · 6 subparts · Amended 2026-09-15
AIRWORTHINESS STANDARDS: MANNED FREE BALLOONS
5 Legal Interpretations 2 Special Conditions 5 ELOS findings View on eCFR ↗
Authority49 U.S.C. 106(g), 40113, 44701-44702, 44704.
SourceDocket No. 1437, 29 FR 8258, July 1, 1964, as amended by Amdt. 31-1, 29 FR 14563, Oct. 24, 1964, unless otherwise noted.
Subpart A— General 1 section
Subpart B— Flight Requirements 6 sections
Subpart C— Strength Requirements 4 sections
Subpart D— Design Construction 19 sections
- § 31.31 General.
- § 31.33 Materials.
- § 31.35 Fabrication methods.
- § 31.37 Fastenings.
- § 31.39 Protection.
- § 31.41 Inspection provisions.
- § 31.43 Fitting factor.
- § 31.45 Fuel cells.
- § 31.46 Pressurized fuel systems.
- § 31.47 Burners.
- § 31.49 Control systems.
- § 31.51 Ballast.
- § 31.53 Drag rope.
- § 31.55 Deflation means.
- § 31.57 Rip cords.
- § 31.59 Trapeze, basket, or other means provided for occupants.
- § 31.61 Static discharge.
- § 31.63 Safety belts.
- § 31.65 Position lights.
Subpart E— Equipment 1 section
Subpart F— Operating Limitations and Information 4 sections
Appendices & SFARs
Recent Federal Register activity last 25 of 7, newest first
- 2018-08-31RuleSpecial Conditions: Ultramagic S.A., Model M-56, M-56C, M-65, M-65C, M-77, M-77C, M-90, M-105, M-120, M-130, M-145, M-160, N-180, N-210, N-250, N-300, N-355, N-425, S-70, S-90, S-105, S-130, S-160, T-150, T-180, T-210, V-56, V-65, V-77, V-90, and V-105 Balloons; Balloon Passenger Basket, Model CV-08, Seat InstallationRead →
- 2018-06-25NPRMSpecial Conditions: Ultramagic S.A., Model M-56, M-56C, M-65, M-65C, M-77, M-77C, M-90, M-105, M-120, M-130, M-145, M-160, N-180, N-210, N-250, N-300, N-355, N-425, S-70, S-90, S-105, S-130, S-160, T-150, T-180, T-210, V-56, V-65, V-77, V-90, and V-105 Balloons; Balloon Passenger Basket, Model CV-08, Seat InstallationRead →
- 2016-06-13RuleSpecial Conditions: Ultramagic, S.A., Mark-32 Burner SeriesRead →
- 2016-04-05NPRMSpecial Conditions: Ultramagic, S.A., Mark-32 Burner SeriesRead →
- 1996-05-08CorrectionAirworthiness Standards; Manned Free Ballon Burner TestingFR ↗
- 1996-04-24RuleAirworthiness Standards; Manned Free Balloon Burner TestingRead →
- 1995-12-28RuleRevision of Authority CitationsRead →