GMDSS --- Global Maritime Distress and Safety System
GPS --- Global Positioning System
HF --- High Frequency
HG --- Harmonizing Group
IACS --- International Association of Classification Societies
IAIN --- International Association of Institute of Navigation
IALA --- International Association of Lighthouse Authorities
IAPH --- International Association of Ports and Harbors
IBA --- International Bar Association
ICAO --- International Civil Aviation Organization
ICC --- International Chamber of Commerce
ICCL --- International Council of Cruise Lines
ICFTU --- International Federation of Free Trade Union
ICHCA --- International Cargo Handling Co-ordination Association
ICS --- International Chamber of Shipping
IEE --- International Electrical Engineers
IFSMA --- International Federation of Shipmasters'Associations
IHO --- International Hydrographic Organization
ILF --- International Lifeboat Federation
ILO --- International Labor Organization
IMO --- International Maritime Organization
IMPA --- International Maritime Pilots'Association
INM --- INMARSAT --- International Maritime Satellite Organization
INTERCARGO --- International Association of Dry Cargo Ship Owners
INTERTANKO --- International Association of Independent Tanker Owners
IRCS --- Shipborne Integrated Radio Communication System
IRU --- International Road Transport Union
ISF --- International Shipping Federation ( Limited )
ISID --- International Ship Information Database ( Database of IMO )
ISS --- International Safety Net Service
ITU --- International telecommunication Union
LASA--- Latin American Ship Owners' Association
LL --- Load Line
LSR --- Sub-Committee on Life Saving, Search and Rescue
LUT --- Local User Terminals ( in Cospas-Sarsat System )
MARPOL --- International Convention for the Prevention of Pollution from Shops
