---
kind: "section"
citation: "46 C.F.R. § 64.77"
title: "46"
number: "64.77"
heading: "Inspection and test."
url: "https://uscodex.org/cfr/46/64.77"
---

# §64.77. Inspection and test.


For the handling and stowage requirements in [§ 98.30-3](/cfr/46/98.30-3.md) of this chapter, each MPT must pass the following inspections and tests conducted by the owner or the owner's representative:

- (a) Pressure relief and vacuum relief devices must be inspected one time or more during each 12 month period of service in accordance with [§ 64.79](/cfr/46/64.79.md).
- (b) An MPT must be inspected during the 30 months before any month in which it is in service in accordance with [§ 64.81](/cfr/46/64.81.md).
- (c) An MPT must pass a hydrostatic test in accordance with [§ 64.83](/cfr/46/64.83.md) during the 60 months before any month in which it is in service.
- (d) After each welded repair, an MPT must pass a hydrostatic test in accordance with [§ 64.83](/cfr/46/64.83.md).

## Notes

### Amendments

[CGD 73-172, 39 FR 22950, June 25, 1974, as amended by CGD 84-043, 55 FR 37410, Sept. 11, 1990]

### Authority

Authority: 46 U.S.C. 3306, 3703; 49 U.S.C. App. 1804; Department of Homeland Security Delegation No. 00170.1, Revision No. 01.3.

### Source

Source: CGD 73-172, 39 FR 22950, June 25, 1974, unless otherwise noted.

### Amendments

[CGD 73-172, 39 FR 22950, June 25, 1974, as amended by CGD 84-043, 55 FR 37410, Sept. 11, 1990]