Planes are very often registered to individuals, and that doesn't even matter! The plane being company owned doesn't magically change anything, what matters is who's being transported and whether or not they will be easily linked to the aircraft.
From a GDPR perspective it also makes no difference whether it's 5% or 90% of planes that are owned by individuals as opposed to by companies.
From a GDPR perspective it also makes no difference whether it's 5% or 90% of planes that are owned by individuals as opposed to by companies.