In addition, fishing vessels between 15 m and 24 m long already require substantial expenditure, since equipment has to be purchased and installed (VMS satellite apparatus).Finally, it is doubtful whether the relatively low rate of accidents involving small fishing vessels less than 24 m long in European waters justifies the expense of fitting them out with AIS.
De plus, des dépenses importantes doivent déjà être consenties pour les navires de pêche dont la longueur est comprise entre 15 et 24 mètres, des appareils devant être achetés et installés ("boîtes bleues" (VMS)).