Navigation Light · Signaling & Visual
Lopolight 300-Series Port 200-002 — Signaling & Visual.
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| Daily function check (bridge navigation light watch check) | daily, before dusk |
|---|---|
| Visual inspection of lens and housing | monthly |
| Full function and intensity check | at each annual survey, per SOLAS/COLREG requirement |
| Gasket/seal inspection | annually or at dry-docking |
Typical intervals for this design class, not the manufacturer’s figures for your model. The manufacturer’s manual is binding.
| Luminous intensity | must remain at or above the COLREG-required minimum for the vessel's length and light type - any noticeable dimming against a known-good unit warrants renewal rather than relying on a numeric field check |
|---|
Ranges are typical for this design class. Always confirm against the manufacturer documentation for your serial number.
Class/flag surveys check that navigation lights meet COLREG Rule 22 visibility ranges and arcs, that any required navigation light monitoring/alarm system operates correctly, and that spare lamp arrangements, where required, are in place.
Estimated lifetime: LED navigation light modules are typically rated by makers for tens of thousands of hours (often quoted around 30,000-50,000+ hours), but the housing/seal/lens assembly is usually the limiting factor in marine exposure and may need renewal before the LED itself fails
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