Cockpit door policy

[four engine jock]

would like to know what is the cockpit door policy in south africa.
There are some ailine in SA that fly with the cockpit door open and unlocked. I dont think that there is a CAA rule here for close door policy.
regards
and fly safe to all

[Evileyes]

Details regarding aviation security measures are, for good reason, not in the public domain. Please do not attempt to discuss them here.