StacksVerified U.S. regulatory reference

46 CFR §58.01-35

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Auxiliary machinery vital to the main propulsion system must be provided in duplicate unless the system served is provided in independent duplicate, or otherwise provides continued or restored propulsion capability in the event of a failure or malfunction of any single auxiliary component.