ABYC P-1
Installation of Exhaust Systems for Propulsion and Auxiliary Engines
Published by American Boat and Yacht Council (ABYC)
The CFR incorporates ABYC P-1 by reference, which makes the edition it names part of the regulation. The CFR requires the edition it names, which may not be the newest. To enforce any other edition, the agency must publish the change in the Federal Register.
The 5 editions the CFR requires
Different parts name different editions; each applies where its part says so. Newest first.
ABYC P-1, reaffirmed July 2014
As the CFR lists it: “ABYC P-1, Installation of Exhaust Systems for Propulsion and Auxiliary Engines, reaffirmed July 2014”
- Listed in 46 CFR 58.03-1(a)(1); required by46 CFR 58.10-5 ↗
ABYC P-1 (2002), dated July 2002
As the CFR lists it: “P-1 (2002)—Installation of Exhaust Systems for Propulsion and Auxiliary Engines, dated July 2002”
ABYC P-1 (1993)
As the CFR lists it: “P-1-93—Installation of Exhaust Systems for Propulsion and Auxiliary Engines”
- Listed in 46 CFR 175.600(b)(14); required by46 CFR 177.405 ↗46 CFR 177.410 ↗46 CFR 182.130 ↗46 CFR 182.425 ↗46 CFR 182.430 ↗
Listed as: “P-1-93, Installation of Exhaust Systems for Propulsion and Auxiliary Engines (“ABYC P-1”)”
ABYC P-1 (1986)
As the CFR lists it: “P-1-1986—Installation of Exhaust Systems for Propulsion and Auxiliary Engines”
- Listed in 46 CFR 28.40; required by46 CFR 28.380
ABYC P-1 (1973), 1973
As the CFR lists it: “P-1-73, Safe Installation of Exhaust Systems for Propulsion and Auxiliary Engines, 1973”
- Listed in 46 CFR 169.115(b)(6); required by46 CFR 169.609 ↗
How to read it
- Where to get itABYC standards ↗
A free or purchased copy may not be the edition the CFR names; check it against the edition above. Every incorporated standard can also be inspected at the National Archives (NARA) and at the agency named in the section that lists it.
ABYC P-1 is copyrighted by its publisher; RegKnot shows its title and the editions the CFR names, not its text. Read from the eCFR's incorporation-by-reference sections, current as of October 26, 2026. The regulation text governs. All standards the CFR requires.