Steady As

Subpart D Sound and Light Signals

Inland Navigation Rules

§ 83.32 Definitions (Rule 32)
§ 83.33 Equipment for sound signals (Rule 33)
§ 83.34 Maneuvering and warning signals (Rule 34)
§ 83.35 Sound signals in restricted visibility (Rule 35)
§ 83.36 Signals to attract attention (Rule 36)
§ 83.37 Distress signals (Rule 37)

US Inland Navigation Rules current as of 22 October 2026. Official text: ecfr.gov.

A work of the US government, in the public domain. Reproduced from the eCFR (ecfr.gov), 33 CFR parts 83 to 88.