---
kind: "section"
citation: "33 C.F.R. § 165.1402"
title: "33"
number: "165.1402"
heading: "Safety Zone; Navy Underwater Detonation (UNDET) Exercises, GU."
url: "https://uscodex.org/cfr/33/165.1402"
---

# §165.1402. Safety Zone; Navy Underwater Detonation (UNDET) Exercises, GU.

- (a) **Location.** The following areas, within the U.S. Coast Guard Forces Micronesia/Sector Guam Captain of the Port (COTP) Zone (See [33 CFR 3.70-15](/cfr/33/3.70-15.md)), from the surface of the water to the ocean floor, are safety zones:
  - (1) **Apra Outer Harbor, Guam.** All waters above and below the surface bounded by a circle with a 700 yard radius centered at 13 degrees 27 minutes 42 seconds North Latitude and 144 degrees 38 minutes 30 seconds East Longitude, (NAD 1983).
  - (2) **Piti, Guam.** All waters above and below the surface bounded by a circle with a 700 yard radius centered at 13 degrees 29 minutes 03 seconds North Latitude and 144 degrees 40 minutes 03 seconds East Longitude, (NAD 1983).
- (b) **Enforcement periods.** This section will be enforced for designated periods of time, many of which are of short duration, on days requested by the Navy for purpose of UNDET exercises.
- (c) **Regulations.** The general regulations governing safety zones contained in [§ 165.23](/cfr/33/165.23.md) apply. With the exception of exercise participants, no vessels may enter or transit safety zones in [paragraph (a)(1)](#a-1) of this section and no persons in the water may enter or transit the safety zone in [paragraph (a)(2)](#a-2) of this section unless authorized by the COTP or a designated representative thereof.
- (d) **Enforcement.** Any Coast Guard commissioned, warrant, or petty officer, and any other COTP representative permitted by law, may enforce these safety zones.

## Notes

### Amendments

[USCG-2017-0651, 83 FR 23369, May 21, 2018, as amended by USCG-2022-0429, 87 FR 48446, Aug. 9, 2022]

### Authority

Authority: 46 U.S.C. 70034, 70051, 70124; 33 CFR 1.05-1, 6.04-1, 6.04-6, and 160.5; DHS Delegation No. 00170.1, Revision No. 01.4.

### Source

Source: CGD 79-034, 47 FR 29660, July 8, 1982, unless otherwise noted.

### Amendments

[USCG-2017-0651, 83 FR 23369, May 21, 2018, as amended by USCG-2022-0429, 87 FR 48446, Aug. 9, 2022]