Navigational warning 226/25 — NAVAREA I

Status: Cancelled · Area: SOUTHERN NORTH SEA: 51N TO 55N · Source: UKHO Admiralty Notices to Mariners

1. RIGLIST. CORRECT AT 290500 UTC SEP 2025. SOUTHERN NORTH SEA: 51N TO 55N 52-07.7N 003-56.4E VALARIS 123 ACP P18-A 53-05.1N 002-49.2E HAEVA 53-07.1N 002-06.3E ENSCO 92 ACP LEMAN GAS FIELD 53-34.8N 002-47.5E SEAFOX 4 ACP CARRACK GAS FIELD 53-35.6N 004-26.0E SWIFT 10 53-38.7N 000-36.2E OBANA ACP AMETHYST GAS FIELD 54-05.7N 003-21.8E WELL SAFE PROTECTOR ACP E17A-A NEW 54-18.0N 001-39.6E ERDA ACP TRENT GAS FIELD 54-34.2N 002-17.6E VALARIS NORWAY

Reference information — always verify against official Notices to Mariners before navigation.