| ACRONYM | FULL WORDING | COMMENT |
| AA | Always Accessible | Double meaning : commercial (=available) and nautical |
| AA | Always Afloat | not aground at low tide |
| AAAA | Always Afloat, Always Accessible | |
| ADCOM | Address Commission | Rebate in Charterers’ favour |
| AP | (for) All Purposes | Total laytime allowed for both loading and discharging operations |
| APS | (upon) Arrival at Pilot Station | Used to pinpoint the place and the time of vessel’s delivery under a Time Charterparty |
| ASAP | As Soon As Possible | |
| ATDNC | Any Time Day or Night Sundays and Holidays Included | See ATDNC. Used to specify that no period of time is excluded for the delivery / redelivery of a vessel or for remitting a Notice |
| ATDNSHINC | Any Time Day or Night Sundays and Holidays Included | See ATDNSHINC. Used to specify that no period of time is excluded for the delivery / redelivery of a vessel or for remitting a Notice |
| AWIWL | Always Within Institute Warranty Limits | See IWL |
