---
kind: "section"
citation: "40 C.F.R. § 1042.5"
title: "40"
number: "1042.5"
heading: "Exclusions."
url: "https://uscodex.org/cfr/40/1042.5"
---

# §1042.5. Exclusions.


This part does not apply to the following marine engines:

- (a) **Foreign vessels.** The requirements and prohibitions of this part do not apply to engines installed on foreign vessels, as defined in [§ 1042.901](/cfr/40/1042.901.md). Note however, that the requirements and prohibitions of this part do apply to engines installed on any formerly foreign vessels that are reflagged as U.S.-flagged vessels.
- (b) **Hobby engines.** Engines installed in reduced-scale models of vessels that are not capable of transporting a person are not subject to the provisions of this part 1042.
- (c) **Recreational gas turbine engines.** The requirements and prohibitions of this part do not apply to gas turbine engines installed on recreational vessels, as defined in [§ 1042.901](/cfr/40/1042.901.md).

## Notes

### Amendments

[73 FR 37243, June 30, 2008, as amended at 73 FR 59192, Oct. 8, 2008; 75 FR 22995, Apr. 30, 2010]

### Authority

Authority: 42 U.S.C. 7401-7671q.

### Source

Source: 73 FR 37243, June 30, 2008, unless otherwise noted.

### Amendments

[73 FR 37243, June 30, 2008, as amended at 73 FR 59192, Oct. 8, 2008; 75 FR 22995, Apr. 30, 2010]