The term spark arrester means any device, assembly, or method of a mechanical, centrifugal, cooling, or other type and of a size suitable for the retention or quenching of sparks in exhaust pipes from internal combustion engines.
source: CGFR 65-50, 30 FR 16657, Dec. 30, 1965, unless otherwise noted.
cite as: 46 CFR 30.10-63