---
kind: "section"
citation: "33 C.F.R. § 159.103"
title: "33"
number: "159.103"
heading: "Vibration test."
url: "https://uscodex.org/cfr/33/159.103"
---

# §159.103. Vibration test.


The device, with liquid retention components, if any, filled with water to one-half of their volume, must be subjected to a sinusoidal vibration for a period of 12 hours, 4 hours in each of the x, y, and z planes, at the resonant frequency of the device (or at 55 cycles per second if there is no resonant frequency between 10 to 60 hertz) and with a peak amplitude of 0.019 to 0.021 inches.


## Notes

### Authority

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.

### Source

Source: CGD 73-83, 40 FR 4624, Jan. 30, 1975, unless otherwise noted.
