46 C.F.R. § 174.225 Hull penetrations and shell connections.
Title 46 - Shipping
Each overboard discharge and shell connection except an engine exhaust must comply with §§56.50–95 and 128.230 of this chapter.
Title 46: Shipping
PART 174—SPECIAL RULES PERTAINING TO SPECIFIC VESSEL TYPES
Subpart G—Special Rules Pertaining to Offshore Supply Vessels
§ 174.225 Hull penetrations and shell connections.
