33 CFR § 159.105 - Shock test.

---
identifier: "/us/cfr/t33/s159.105"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "33 CFR § 159.105 - Shock test."
title_number: 33
title_name: "Navigation and Navigable Waters"
section_number: "159.105"
section_name: "Shock test."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "O"
subchapter_name: "POLLUTION"
part_number: "159"
part_name: "MARINE SANITATION DEVICES"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "33 U.S.C. 1322(b)(1); 49 CFR 1.45(b). Subpart E also issued under authority of sec. 1(a)(4), Pub. L. 106-554, 114 Stat. 2763; DHS Delegation No. 00170.1, Revision No. 01.4."
regulatory_source: "CGD 73-83, 40 FR 4624, Jan. 30, 1975, unless otherwise noted."
cfr_part: "159"
---


# 159.105 Shock test.

The device, with liquid retention components, if any, filled with water to half of their volume, must be subjected to 1,000 vertical shocks that are ten times the force of gravity (10g) and have a duration of 20-25 milliseconds measured at the base of the half-sine shock envelope.