---
kind: "section"
citation: "33 C.F.R. § 183.528"
title: "33"
number: "183.528"
heading: "Fuel stop valves."
url: "https://uscodex.org/cfr/33/183.528"
---

# §183.528. Fuel stop valves.

- (a) **Each electrically operated fuel stop valve in a fuel line between the fuel tank and the engine must—**
  - (1) Open electrically only when the ignition switch is on; and
  - (2) **Operate manually.**
- (b) If tested in accordance with the fire test under [§ 183.590](/cfr/33/183.590.md), a fuel stop valve installed in a fuel line system requiring metallic fuel lines or “USCG Type A1” hose must not leak fuel.

## Notes

### Amendments

[CGD 74-209, 42 FR 5950, Jan. 31, 1977, as amended by CGD 85-098, 52 FR 19728, May 27, 1987]

### Source

Source: CGD 74-209, 42 FR 5950, Jan. 31, 1977, unless otherwise noted.

### Authority

Authority: 46 U.S.C. 4302; Pub. L. 103-206, 107 Stat. 2439; and Department of Homeland Security Delegation No. 0170.1, para. II, (92)(b). Subpart E is also authorized by Pub. L. 114-120, 130 Stat. 27

### Source

Source: CGD 72-61R, 37 FR 15782, Aug. 4, 1972, unless otherwise noted.

### Amendments

[CGD 74-209, 42 FR 5950, Jan. 31, 1977, as amended by CGD 85-098, 52 FR 19728, May 27, 1987]