ISLAMIC REPUBLIC OF IRAN IR303165/IR3165/PERSIAN GULF/JAZIREH-YE SIRI TO SIRI OILFIELD INDEX: OIL AND GAS FIELDS Within this area covered by certain fixed structures, pipelines and cables have been omitted due to their complexity and frequent change. The appropriate larger scale data should be used within this area. Production platforms and associated structures,including tanker moorings, storage tankers and platforms on pipelines, generally exhibit Mo(U) lights, aircraft obstruction lights and audible fog signals. Unauthorized navigation is prohibited within 500 meters of all such structures, including storage tankers that can swing about their moorings. Tankers maneuvering in the vicinity of platforms and moorings should be given a wide berth. Uncharted structures, both lit and unlit and submerged installations, exist in this area that may be marked by buoys. Additionally, and in accordance with the notices to mariners issued by the Iranian maritime administration (Ports and Maritime Organization), the majority of oil and gas field features have been omitted within the Iranian oilfields. Mariners are kindly informed that in order to prevent accidents all ships (irespective of their size) which are sailing in the Persian Gulf are emphatiely requested to obtain the latest NtMs of this region from UKHO and Pakistan (As the Nav Area Coordinator of IX) from the following adresses: www.paknavy.gov.pk & www.ukho.gov.uk and update the affected charts of the Persian Gulf Region accordingly. END OF FILE