Imray · Platform

Offshore platform

Areas & limitsRegional

A small platform position, designation, and any charted light mark an offshore installation.

What it means
The platform symbol marks the precise position of a fixed offshore installation. A designation, light flare, or safety-zone limit may be added.
Why it matters
Do not assume a universal light or fog characteristic. Read the charted characteristic and applicable safety-zone rules for that installation.
Imray Symbols and abbreviations (2022) — Platform