hey neuton,
well by far the easiest way to do that is to activate the mod that has it then fly to the place its sold , buy it then make a new save
as long as you use flmm to avoid save game problems you should be set.
as a side note it might be worth mentioning that you can do it manually by adding the ship and then editing the save game but the chances are pretty high of something going badly wrong.and if you havent done as baked suggested and backed everything up then you could lose your save totally.
if you only want to change one thing (ie add a ship) then why not make your own mod that changes nothing else? then you could send it to any friends you wanted to play online with.
id seriously consider using flmm and making a new save as it garuantees everything can be reset back to base state so you can play online without problems.
just out of curiosity - why are you reluctant to make a new save? (just being nosey - feel free to ignore me
)
dr del
their coming round for another pass!!! release the attack wombats horatio! we'll teach 'em to call me mad eh?