---
kind: "section"
citation: "33 C.F.R. § 156.320"
title: "33"
number: "156.320"
heading: "Maximum operating conditions."
url: "https://uscodex.org/cfr/33/156.320"
---

# §156.320. Maximum operating conditions.


Unless otherwise specified, the maximum operating conditions in this section apply to tank vessels operating within the lightering zones designated in this subpart.

- (a) A tank vessel shall not attempt to moor alongside another vessel when either of the following conditions exist:
  - (1) The wind velocity is 56 km/hr (30 knots) or more; or
  - (2) **The wave height is 3 meters (10 feet) or more.**
- (b) Cargo transfer operations shall cease and transfer hoses shall be drained when—
  - (1) The wind velocity exceeds 82 km/hr (44 knots); or
  - (2) **Wave heights exceed 5 meters (16 feet).**

## Notes

### Source

Source: CGD 93-081, 60 FR 45017, Aug. 29, 1995, unless otherwise noted.

### Authority

Authority: 33 U.S.C. 1321(j); 46 U.S.C. 3703, 3703a, 3715, 70011, 70034; E.O. 11735, 3 CFR 1971-1975 Comp., p. 793; Department of Homeland Security Delegation No. 00170.1, Revision No. 01.2.