Section 140.15 - Equivalents and approved equipment(a) The use of alternate equipment or procedures for those specified in this subchapter may be permitted by an Officer in Charge, Marine Inspection, to the extent and upon conditions as will insure a degree of safety comparable to or greater than that provided by the minimum standards in this subchapter.(b) Where equipment in this subchapter is required to be of an approved type, the equipment requires the specific approval of the Commandant. Approvals are published in the FEDERAL REGISTER and COMDTINST M16714.3 (Series) Equipment List, available from Coast Guard Headquarters. Contact Commandant (CG-ENG), Attn: Office of Design and Engineering Standards, U.S. Coast Guard Stop 7509, 2703 Martin Luther King Jr. Avenue SE., Washington, DC 20593-7509.(c) Specifications for certain items required to be of an approved type are contained in 46 CFR Parts 160 through 164.CGD 78-160, 47 FR 9376, Mar. 4, 1982, as amended at CGD 88-052, 53 FR 25121, July 1, 1988; CGD 96-026, 61 FR 33665, June 28, 1996; USCG-2010-0351, 75 FR 36283 , June 25, 2010; USCG-2014-0410, 79 FR 38434 , July 7, 2014