4 Jan 2022 New Guidance documents available Recommendation Revised R0139 The Marking of Man-made Offshore Structures Ed3.0. Revised R0126 The Use of AIS in Marine Aids to Navigation Ed2.0. Guideline Revised G1078 The Use of AtoN in the Design of Fairways & Channels Ed2.0. Revised G1054 Preparing for an IMO Audit on Aids to Navigation Service Delivery Ed2.0. New G1162 The Marking of Offshore Man-made Structures Ed1.0. New G1163 The Marking of Breakwaters and Barriers Ed1.0. New G1164 Management of Maritime Resource Name Organisation Identifiers Ed1.0. Revised G1065 AtoN Sgnal Light Beam Vertical Divergence Ed4.1. New G1165 on Sustainable Structural Design of Marine Aids to Navigation Ed1.0. Revised G1014 on Accreditation of VTS Training Organizations and Approval to Deliver IALA VTS Model Courses Ed4. Revised G1110 Use of Decision Support Tools for VTS personnel Ed2.0. New G1166 VTS in Inland Waters Ed1.0. New G1167 VTS Management Ed1.0. Revised G1128 The specification of e-navigation technical service Ed1.3. Model Course Model Course C2001-8 L2 Module 1.13 Maintenance of Steel Buoys Ed3.0. Model Course C2001-9 L2 Module 1.14 Power Sources on Buoys Ed3.0. Model Course C2007-1 L2 Module 7.1&2 Racons Ed3.0.