Maritime abbreviations
Speciel thanks to Ole Nørgaard who has contributed with his abbreviations.
| Entry | Explanation |
|---|---|
| U | spænding |
| U | Udgået (i en given konkurrence) |
| U | Uruguay (gl. nationsbogstav) |
| u.d | Under deck |
| u/c | Undercharge |
| uae | United Arab Emirates |
| UBS | Unified Baltic Shipyards |
| UCT | United Chemical Transport, (italiensk) |
| UDCG | United States Coast Guard |
| Udkik | Kaldes en mand på et skib, der er sat som skildvagt paa een af mastetoppene for at være aarvaagen paa alt hvad der foregaar eller kommer til syne i skibets horisont. Under sejlads er udkig paabudt ved lov. |
| UEL | Upper Explosive Limit |
| UFU | Udenrigsfartens Forhandlings Udvalg , norsk |
| UGT | Union Generale de Trabajadores, spansk LO |
| uh | Upper Hold |
| UHF | Ultra High Frequency, 300 Mhz og 3.000 Mhz |
| UHF | Ultra High Frequence |
| uk | United Kingdom |
| ukc | United Kingdom/Continent |
| ukfo | United Kingdom for orders |
| UKHO | United Kingdom Hydrografic Office, britisk søkortfremstiller/udgiver |
| ulbc | Ultra Large Bulk Carrier |
| ulcc | Ultra Large Crude Carrier, tankskib over 300.000 tdw. |
| ULRC | Ultra Large Reefer Carrier |
| UNCITRAL | UN Commission on International Trade and Law |
| UNCLOS | UN Conference on the Law at Sea |
| UNCTAD | UN Conference on Trade and Development |
| UNICE | Union of Industrial and Employers Confederation of Europe, Bruxelles. Fællesrepræsentation af de Nationale industriråd og arbejdsgiverforening i EU-landene. |
| UNIDO | UN Industrial Development Organization |
| UNS | Ugland Nordic Shipping |
| URAG | Unterweser Reederei AG |
| US | U.S.A. (gl. nationsbogstav) |
| us | United States |
| usac | United States Atlantic Coast |
| USC | Unless Sooner Commenced |
| USD | USD = US $ = amerikansk dollar |
| usda | United States Department and Agriculture |
| USDA Approval | USDA = United States Department of Agriculture. USA forlanger at stort set al frugt der importeres til landet, føres i køleskibe med specielt måleudstyr bygget ind i skibssidens isolering. Dette måleudstyr, der automatisk registrerer alle temperaturudsvin |
| usec | United States East Coast |
| USHD | United States Department of Health |
| USMC | US Maritime Committee |
| USNH | US Eastcoast North of Cape Hatteras |
| usnopc | United States North Pacific |
| USNTSB | United States National Transportation Safety Board |
| ussa | United States Salvage Association |
| UST | Ulstein Ship Technology |
| UT | Universal Time |
| UTC | Universal Time Coordinated = GMT (Greenwich Mean Time) som International tidsstandard, angiver tiden på samme meridian som GMT, men er baseret på atomure (med visse tilpasninger); afløste til dels GMT i 1986." |
| UTM | Universal Transverse Mercator |
| uu | Unless used |
| UUIWCTAUTC | Unless used in wich case time actually used to count |
| uw | Underwriter(s) |