MSC.1/Circ.1288
AMENDMENTS TO RESOLUTION A.706(17) – WORLD-WIDE NAVIGATIONAL WARNING SERVICE

Annex 1.
IMO/IHO WORLD-WIDE NAVIGATIONAL WARNING SERVICE GUIDANCE DOCUMENT

1. INTRODUCTION

2. DEFINITIONS

3. NAVIGATIONAL WARNING BROADCASTS

3.1 Methods

3.2 Scheduling

4. NAVIGATIONAL WARNINGS

4.1 General

4.2 The four types of navigational warnings are:

4.2.1 NAVAREA warnings

4.2.2 Sub-Area warnings

4.2.3 Coastal warnings

4.2.4 Local warnings

5. MESSAGE REQUIREMENTS

5.1 Guidance

5.2 Numbering

5.3 Language

5.4 "No warnings" message

6. COORDINATOR RESOURCES AND RESPONSIBILITIES

6.1 NAVAREA coordinator resources

6.2 NAVAREA coordinator responsibilities

6.3 Sub-Area coordinator resources

6.4 Sub-Area coordinator responsibilities

6.5 National coordinator resources

6.6 National coordinator responsibilities

Annex 2. IMO PROCEDURE FOR AMENDING THE WORLD-WIDE NAVIGATION WARNING SERVICE

Appendix. GEOGRAPHICAL AREAS FOR COORDINATING AND PROMULGATING NAVAREA WARNINGS