33 CFR § 95.030 - Evidence of under the influence of alcohol or a dangerous drug.
---
identifier: "/us/cfr/t33/s95.030"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "33 CFR § 95.030 - Evidence of under the influence of alcohol or a dangerous drug."
title_number: 33
title_name: "Navigation and Navigable Waters"
section_number: "95.030"
section_name: "Evidence of under the influence of alcohol or a dangerous drug."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "F"
subchapter_name: "VESSEL OPERATING REGULATIONS"
part_number: "95"
part_name: "OPERATING A VESSEL WHILE UNDER THE INFLUENCE OF ALCOHOL OR A DANGEROUS DRUG"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "33 U.S.C. 2071; 46 U.S.C. 2302; Department of Homeland Security Delegation No. 0170.1."
regulatory_source: "CGD 84-099, 52 FR 47532, Dec. 14, 1987, unless otherwise noted."
cfr_part: "95"
---
# 95.030 Evidence of under the influence of alcohol or a dangerous drug.
Acceptable evidence of when a vessel operator is under the influence of alcohol or a dangerous drug includes, but is not limited to:
(a) Personal observation of an individual's manner, disposition, speech, muscular movement, general appearance, or behavior; or,
(b) A chemical test.
[CGD 84-099, 53 FR 13117, Apr. 21, 1988; CGD 84-009, 53 FR 13117, Apr. 21, 1988, as amended by USCG-1998-4593, 66 FR 1862, Jan. 10, 2001]