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US Buoyage

Private and state aids

Technical visualPrivate and state aids
Private and state aidsAn aid-to-navigation symbol is shown with chart notation and a local regulation sign to emphasize that maintenance and regulatory authority can vary.PRIVATE & STATE AIDS CHARTChart notation
Private and state aidsAn aid-to-navigation symbol is shown with chart notation and a local regulation sign to emphasize that maintenance and regulatory authority can vary. 1231PRIVATE & STATE AIDS2CHART3Chart notation

Maintenance or local status may be identified here

Do not infer authority or safe conditions from appearance alone.

Private and state aids can supplement federal aids. Chart notation and local regulations remain part of safe interpretation.

Private aids may look similar to federal aids where authorized.

Important principles:

private does not mean unofficial or safe to ignore

chart notation may identify private maintenance

state systems can supplement federal navigation aids

local regulatory marks can carry legally enforceable restrictions

The app should distinguish federal system knowledge from local regulation.

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