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33 C.F.R. PART 86--ANNEX III: TECHNICAL DETAILS OF SOUND SIGNAL APPLIANCES

TITLE 33--Navigation and Navigable Waters

CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY

SUBCHAPTER E--INLAND NAVIGATION RULES

PART 86--ANNEX III: TECHNICAL DETAILS OF SOUND SIGNAL APPLIANCES

Subpart A--WHISTLES

�86.01

Frequencies and range of audibility.

�86.03

Limits of fundamental frequencies.

�86.05

Sound signal intensity and range of audibility.

�86.07

Directional properties.

�86.09

Positioning of whistles.

�86.11

Fitting of more than one whistle.

�86.13

Combined whistle systems.

�86.15

Towing vessel whistles.

Subpart B--BELL OR GONG

�86.21

Intensity of signal.

�86.23

Construction.

Subpart C--APPROVAL

�86.31

Approval.--[Reserved]