A solid, no-nonsense masthead navigation light from Perko, built for reliability on working boats and cruising vessels alike.

This is the kind of light that does its job quietly for years — rugged housing, clean lens, and compliant with navigation rules so you’re visible when it matters.

Designed for vessels between 20–50 meters (65–164 ft), this unit meets COLREGS and U.S. Inland Rules, making it suitable for both inland and offshore applications.
Whether you're replacing a failed unit or outfitting a project boat, this is a dependable, straightforward solution without unnecessary complexity.

⚙️ KEY SPECS
Model: 1128A00BLK
Type: White Masthead Navigation Light
Voltage: 12V / 24V / 32V / 120V compatible (bulb dependent)
Bulb: Not included
Vessel Size: 20–50 meters (65.6–164 ft)
Compliance: 1972 COLREGS, U.S. Inland Rules, UL 1104
Finish: Black housing
Made in USA

SAILORMAN NOTES:
Works across multiple voltage systems — just match your bulb
Classic Perko build quality (simple, serviceable, long-lasting)
Ideal for refits, repowers, or keeping an older vessel compliant
Not flashy — just correct