Ship Abbreviations and Acronyms

1. ARPA
   Automatic Radar Plotting Aids
2. ARPA
   Automated Radar Plotting Aid
3. ARPA
   Automated Rydar Plotting Aids
4. ARPAS
   Automatic Radar Plotting Aids
5. AS
   Abandon Ship
6. AS
   Auxiliary Submarine
7. AS
   Allaships
8. AS
   Apprentice Seaman
9. AS
   Arnesen Shipping
10. AS
    Submarine Tender (material Support)
11. ASCG
    Automated Small Calibre Gun
12. ASI
    Annual Safety Inspections
13. AT
    Acceptance Trials
14. AT
    Acleptance Trial
15. AT
    Auxiliary, Tug
16. AT
    Awaiting Transportation
17. AT
    Ocean-Going Tug
18. ATA
    Auxiliary Ocean Tug (fleet Support)
19. ATBA
    Area To Be Avoided
20. ATF
    Afloat Training Group

Last updated: May 24, 2020 — Total entries: 1,701