| ACRONYM | FULL WORDING | COMMENT |
| FAC | as Fast As Can (receive / deliver) | Obsolete wording except for self loading/discharging vessels |
| FAS | Free Alongside Ship | A term which puts the risk and expense of loading and discharging on to the Owner |
| FCC | First Class Charterers | Appreciative description which may involve some liability on the part of the broker who will have made it |
| FD | Free Discharge | i.e. free of expense to the Vessel |
| FD | Free Despatch-Money | |
| FDD | Freight Deadfreight Demurrage | Currently used to assess the basis of commission |
| FH | First Half (of a month) | i.e. first fortnigth |
| FHEX | Fridays and Holidays excepted | |
| FHINC | Fridays and Holidays included | |
| FILO | Free In / Liner Out | Remark : liner terms are extremely variable from one port to the other |
| FIO | Free In and Out | i.e. loading and discharging free of expense to the Vessel |
| FIOSPT | id. | |
| FIOST | Free In and Out Stowed and/or Trimmed | i.e. loading stowage and/or trimming, and discharging free of expense to the Vessel |
| FIOST | Free In and Out and Spout-Trimmed | i.e. loading, trimming by spout and discharging free of expense to the Vessel Spout-trimming is rather unfinished. It is sufficient for bulk carriers |
| FIOT | Free In and Out and Trimmed | i.e. loading trimming and discharging free of expense to the Vessel |
| FO | Fuel Oil | Marine fuel used in TYPEs of medium or high power |
| FOB | Free On Board | Term of the sale of the cargo (Incoterms) also a chartering term often completed by S or T (Stowed or Trimmed) or ST (Spout-Trimmed) - See FIO |
| FOC | Flag of Convenience | ... in older times : PANHONLIB. That list was since enlarged |
| FOIS | Free In and Out and Stowed | i.e. loading, stowage and discharging free of expense to the Vessel |
| FOW | (Date of)First Open Water | Only used about ports / regions icebound in winter. The date varies with the power and the ice class of the vessel |
| FPA | Free of Particular Average | Term of cargo insurance which only covers general average and total loss |
| FT | Foot | 1 foot = 30,479448 centimetres |
| FW | Fresh Water | d = 1,000 |
| FWAD | (Maximum) Fresh Water Arrival Draft | Applies to the vessel |
| FXD | Fixed | |
| FYG | For Your Guidance | |
