However, there were some concerns raised, mainly in relation to privacy and data protection, practicalities of installing VMS on smaller vessels, along with financial costs to fishers.
Fodd bynnag, codwyd rhai pryderon, yn bennaf o ran preifatrwydd a diogelu data, ymarferoldeb gosod VMS ar gychod llai, yn ogystal â chostau ariannol i bysgotwyr.