# Watchkeeping.

**Citation:** 49 CFR 176.180  
**Type / status:** regulation / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2026-08-18  
**Published:** Not stated

Whenever Class 1 (explosive) materials are on board a vessel in port, there must be sufficient crew on board to maintain a proper watch and to operate the propulsion and firefighting equipment in case of an emergency.

## Document text

Whenever Class 1 (explosive) materials are on board a vessel in port, there must be sufficient crew on board to maintain a proper watch and to operate the propulsion and firefighting equipment in case of an emergency.

## Provenance

- Official: Yes
- Source: <https://www.ecfr.gov/on/2026-08-18/title-49/section-176.180>
- Source ID: `ecfr`
- SHA-256: `c53fbbafcbbd5ca83a0c5614a9b8cdfcf3ff5f7088888bbaeaabb1bfc9c97fc8`
- Retrieved: 2026-08-20T05:46:14.489Z
- Exported: 2026-08-22T23:20:11.044Z
- Document slug: `49-cfr-176-180`

### Source metadata

```json
{
  "cfrTitle": 49,
  "part": "176",
  "section": "176.180",
  "subpart": "Subpart G—Detailed Requirements for Class 1 (Explosive) Materials",
  "corpusVersion": "2026-08-18",
  "jurisdiction": "US"
}
```