| Entry | Explanation |
| f | Fahrenheit, Forward, France |
| F | France (gl. nationsbogstav) |
| F | fast lys |
| f | fine |
| f&c | Full and complete |
| f&d | Freight and demmurage |
| f. | fin |
| f.Sd | fint sand |
| f/f | Fiskefartøj |
| f/n | Fixing Note |
| f/r | Freight release |
| fa | Free alongside |
| FA | Flotilleadmiral |
| fac | Fast as can, Forwarding agents commission |
| faccop | As fast as ship can load/discharge according to custom of port |
| FACS | Federation of America Controlled Shipping |
| FAD | Måleenhed for olie, eet fad = 159 liter, der går 7 fad olie på een ton |
| FAK | Foreningen af Aktive Kommanditister |
| FAKS | Fault Avodiance Knowledge System, diagnoseprogram for Wärtsilä-maskiner. |
| faq | Fair average quality |
| fas | Free alongside ship (named port=Incoterms). |
| FAS | Færøsk International Skibsregister. I FAS registreres skibene i nummeroden fra OW2000. |
| FASA | Federation of Asian Shipowners Association |
| Fautfragt | Fragt betalt for last, som ikke skibes. Erstatning, som en befragter af et skib har at betale Rederen for ikke at have forsynet skibet med et saadant kvantum Varer stipuleret i certepartiet. |
| FAZ | Footprint Acquisting Zone |
| FB | Forenede Bugserselskab |
| fbm | Foot board measure |
| FCA | Free to carrier (Incoterms 90) |
| fcar | Free of claim for accidents reported |
| fcc | First class charters |
| FCIS | Fluid Celled Injector System |
| fcl | Full container load |
| fcl/lcl | One shipper/more than one reciever |
| fcr | Forwarders certificate of receipt |
| fcsrcc | Free of capture seizure riots and civil commotions |
| fd | Free discharge (cost), free delivery, free dispatch |
| FDA | Fatigue Design Assesment, beregningsmetode gennem hvilken man forudberegner alle de påvirkninger, som skibet vil blive udsat for gennem sin levetid. Herunder laste/losseprocedurer. |
| FDD | Freight Demurrage Deadfreight |
| FDESP | Free Despatch |
| FDIS | Free Discharge |
| FDTOCS | "Floating Dock Type of Cleaning Dhips, en omvendt vasketunnel , en flydedok, der indvendig er monteret med en lang række børster, der kan justeres afhængig af skibenes bredde der passerer gennem flydedokken , denne form for ""flydedok"" er kortere end nor |
| feast | FarEast |
| FEFC | Far East Conference, se Fragtkonference |
| FELS | Far East Livingstone Shipbuilding in Singapore |
| FEM | Finite Element Method, metode til beregning af styrke/tykkelse |
| FENSO | Federation of Norwegian Ships Officers Organization |
| ferticon | Fertiliser Charter party |
| ferts | Fertilizers |
| FESCO | Far East Shipping Company, russisk rederi i Vladivostock |
| FEU | Forty feet equivalent unit, fyrrefods container |
| FEVO | Furuno European Branch Office |
| ffa | free from average, fire fighting appliances, free form alongside |
| FFL | fixed and flashing light (fast lys med blink) |
| fgf | Fully goog fair |
| FGSO | Floating Gas Storage and Offloading |
| fh | Fore hatch |
| fhex | Fridays and holidays excluded |
| FHFC | Fast Handling Flexibox Carrier |
| fhinc | Fridays and holidays included |
| fia | Full interest admitted |
| fib | Free into barge, Free into bunkers |
| FIBS | Furuno Integrated Bridge System |
| fifo | First in First out |
| FIFO | First in First Out |
| FIFU | Først ind Først Ud |
| filo | Free in Liner out |
| FINMARE | Soc Finanziara Marittima, Statsejet Italiensk rederi, der bl.a. ejer Lloyd Triestino, etab. 1836 |
| fio | Free in and out |
| fios | Free in and out stowed |
| fiost | Free in and out stowed and trimmed |
| fiot | Free in out plus trimming |
| FIT | Free In Trimmed |
| fiw | Free in waggon |
| Fj. | fjord |
| FL | flashing light (blink) |
| FL | Liechtenstein (gl. nationsbogstav) |
| Fla | flamme |
| FLAG-projekt | "Fibre-optic Link Around the Globe. Digitalt teleselskab der lægges fra Palermo i Italien til Mura i Japan, af m.v. ""Cable Innovator"" i 1995/1996" |
| Flagst | flagstang |
| Flagst. | flagstang |
| FLIR | Forward Looking Infra-red System, følsomt termisk søgeudstyr, +/- 0,1 gr. på een km. afstand. Anvendes af redningshelikoptere |
| FLS | Fællessekretariatet |
| FLS | Forward Logistic Sites (Søværnet). |
| FLS | Flådestation |
| flwg | Following |
| flws | Follows |
| fm | Formiddag |
| fm | Fine Measurment, From |
| fm | favn (engelsk) |
| FMC | Federal Maritime Commission |
| FMC | Federal Maritime Commission (US) |
| fmk. | formørkelser |
| FMS | Fathoms |
| fms | Fathoms |
| Fmt | Faint light |
| fo | Fuel oil, Free overside, Firm offer, For orders, Full out terms |
| FO (IFO) | Fuel oil / Intermediate |
| FO FOB | Free on Board. Seller sees the goods over the ship's rail on to the ship wich is arranged and paid for by the buyer. |
| foa | Fob airport (Incoterms) |
| fob | Free on board |
| FOBAS | System oprettet af Lloyds register, til kontrol af bunkersleverandørers olieprodukter. |
| foc | Free of charge, Flag of convenience |
| FoC | Flags of Convenience, bekvemmelighedsflag. |
| fod | Free of Dammage |
| FOFFER | Firm Offer |
| FOG | Fibre Optic Gyro, nyt optisk gyrokompas baseret på Sagnac-effekt, opbygget af tre fiberoptiske spoler og to elektroniske niveaumålere. (pris 1996: 100.000 DM). |
| FOG | For Our Guidance |
| Fog Det Lt | Fog detector light |
| fol | Free on lighter |
| FONASABA | The Federation of National Associations of Shipbrokers and Agents. |
| foq | Free on quay |
| FOQ | Free on quay |
| for | Free on rail (named point=Incoterms). |
| FOR | Free on rail |
| for | Free on rail |
| fos | Free on ship |
| fot | Free on truck or train |
| fow | First open water, Free on waggon, Free on wharf |
| fpa | Free of particular average |
| FPC | Fair Practice Committee |
| FPSO | Floating Production Storage and Offloadingvessel |
| fpt | Forepeaktank |
| fr | Francs, Flat rack (container) |
| fr&cc | Free and Civil Commotion |
| FRB | Fast Rescue Boat |
| FRC | Fast Rescue Crafts |
| frc | Free Carrier (Incoterms) |
| freq | Frequency |
| frosco | San Francisco |
| FRS | Förde Reederei Seetouristik, rederi i Flensburg |
| frt | Freight |
| frt fwd | Freight forward |
| frt ppd | Freight prepaid |
| FRV | Farvandsvæsenet |
| fS | fine sand |
| FS. | faresignal for fiskere |
| FSA | Formal Safety Assement, vurdering af den formelle sikkerhed. |
| FSF | Foreningen til Søfartens Fremme |
| FSG | Flensburger Schiffsbau Gesellschaft |
| FST | Federation of Transport Workers in the European Union |
| Fst. | fast lys |
| Fst.Blk | fast lys med blink |
| FSU | Floating Storage Unit (f.eks. Tankskibe) |
| ft | Foot, Feet, Full terms |
| ft | Enhed for engelsk længde: 1 ft. = 1/3 yard = 12 inch. = 30,48 cm. |
| ft | fod (engelsk) |
| ft2 | square foot, 1 ft2 = ca. 0,093 m2 |
| ft3 | cubic foot, 1 ft3. = ca. 28,32 dm3 |
| fta | Free Trade Agreement Transport Association |
| ftd | Fitted |
| fthm | Fathom, enhed for længde, især vanddybde, 1 fthm. = 6 ft. = 1,83 m. |
| FTK | Flyvertaktisk Kommando |
| ftrr&i | For Their Respective Rights and Interest |
| fwad | Fresh Water Arrivel Draft |
| fwc | Fully loaded weight and capacity |
| fwd | Fresh water damage, forward |
| FWDD | Fresh water departure draft |
| FYG | For your guidance |
| fyi | For Your Information |