Regulations last checked for updates: Jan 11, 2026

Title 46 - Shipping last revised: Dec 29, 2025

FIRE MAIN SYSTEM
AUTOMATIC SPRINKLING SYSTEMS
FIXED CARBON DIOXIDE FIRE EXTINGUISHING SYSTEMS
HALOGENATED GAS EXTINGUISHING SYSTEMS
FOAM EXTINGUISHING SYSTEMS
FIRE PROTECTION FOR HELICOPTER FACILITIES
HAND PORTABLE AND SEMIPORTABLE FIRE EXTINGUISHING SYSTEMS
MISCELLANEOUS FIREFIGHTING EQUIPMENT
authority: 43 U.S.C. 1333; 46 U.S.C. 3102,3306; DHS Delegation No. 00170.1, Revision No. 01.4
source: CGD 73-251, 43 FR 56808, Dec. 4, 1978, unless otherwise noted.