A
Aa - always afloat
a.a.r. - against all risks
AC - account current
A/C - for account of
acc. - acceptance; accepted
a.d. a/d - after date
Add-on ...tariff - (also proportional rate or arbitrary [in USA]
ad val. (a/v) - ad valorem (according to value)
ADN - European Provisions concerning the- International carriage of dangerous On inland waterway.
ADP - automated data processing
ADR - European Agreement concerning the International carriage of dangerous goods By road.
AETR - European Agreement concerning the work Of crew of vehicles engaged in international Road transport.
AFRA - average freight rate assessment
Agcy - agency
Agt. - Agent
a.g.w.t. - actual gross weight
AMT - Air Mail Transfer
A.O. - account of
A/or - and/or
A/P - account paid
approx - approximately
A/R - all risks (insurance)
Arr. - Arrival
Arrd. - Arrived
a/s - after sight
A/S - alongside
asap - as soon as possible
ASCII - American Standard Code for International intercharge
Ass. - Associate
ATA - actual time of arrival
ATD - actual time of departure
ATP - Agreement for the international Carriage Of Perishable Foodstuffs.
Atty.- attorney
auth.- authorized
aux - Auxiliary
av - average
AWB - Air Waybill

International Organizations (or Bodies Internationally Known)

AACO - Arab Air Carriers Organization
AAPA - Association of Asia Pacific Airlines
ACAC - Arab Civil Aviation Commission
ACAMAR - Asociacion Centroamericana de Armadores,Central American Shipowners�Association
ACI - Airport Council International
ACP Group - African, Caribbean and Pacific Group of States
ADB - Asian Development Bank
AEA - Association of European Airlines
AEGPL - European Liquefied Petroleum Gas Association
AFCAC - African Civil Aviation Commission
AFOS - Arab Federation of Shipping
AFRAA - African Airlines Association
AFRASEC - Afro-Asian Organization for Economic Cooperation
AICMR - Association International des Constructeurs de Materiel Roulant , International Association of Manufacturers of Rolling Stock
AIO - African Insurance Organization
AISAM - Association international des societes d� assurance mutuelle, International Associationof Mutual Insurance Companies
ALACAT - Federation de Asociaciones Nacionales de Agents de Carga de America Latina y del Caribe, Federation of National Associations Of Forwarding Agents of Latin America and The Caribbean
ALADI - Asociacion Latinoamericana de Integracion Latin America International Association
ALAMAR - Asociacion Latinoamericana de Armadores, Latin American Shipowners� Association
AOCI - Airport Operators Council Internationa
APA - Asean Ports Association
APEC - Asia-Pacific Economics Cooperation Group
ASAPRA - Latin American Customs Broker and Forwarders Association
ASEAN - Association of South-East Asian Nations
ASMAP - Association of International Road Carriers