§ 1042.625 Special provisions for engines used in emergency applications.
This section describes an exemption that is available for certain Category 1 and Category 2 engines. This exemption is not available for Category 3 engines.
(a) Except as specified in paragraph (d) of this section, the prohibitions in § 1068.101(a)(1) do not apply to a new engine that is subject to Tier 4 standards if the following conditions are met:
(1) The engine is intended for installation in one of the following vessels or applications:
(i) A lifeboat approved by the U.S. Coast Guard under approval series 160.135 (see for example 46 CFR 199.201(a)(1)), as long as such a vessel is not also used as a launch or tender.
(ii) A rescue boat approved by the U.S. Coast Guard under approval series 160.156 (see for example 46 CFR 199.202(a)).