NAABSA - Not always safely afloat but safely aground

NM - Nautical mile

NB - New building

NCSA - North coast south america

NON REV - If loading completed sooner than expected, then saved time will not be added into discharge time allowed

NCB - National Cargo Bureau

NDFCAPMOS - No deadfreight for charterers account providing minimum quantity supplied

NEWCI - Not east of West Coast of Italy

NO - Number

NOA - Not overaged

NOC - Notice of cancellation

NOLA - New Orleans

NOR - Notice of readiness

NRT - Net registered ton(s)

NSF - Norwegian Sales Form

NYPE - New York Produce Exchange (tine charter form)