I know a few airlines I work with, written approval for said person must be obtained from the base captain, where as others it seems to be the captains discretion. Other airlines, usually further to the East seem to go by whatever rules they please
Yes it is down to company SOP. But for a non UK carrier these rules might be not as stringent as required in the UK. To my knowledge ALL aircraft operating in UK airspace must comply with the UK regulation.
From what I can work out, UK based airlines have written in their (approved) Ops. Manuals that it's only just about permissible for the flight crew to be in the flight deck, let alone anyone else. The rest of the world's airlines have received fiercely worded instructions from the head clown at the DfT to the effect that: 1) The flight deck door must be locked shut whenever the engines are running within the UK FIRs and 2) Access to the flight deck is strictly restricted to ONLY those people who are permitted to be there by their company's Ops. Manuals.
"An operator shall ensure that all appropriate personnel are familiar, and comply, with the relevant requirements of the national security programmes of the State of the operator."
and 1.1255(c) states:
"In all aeroplanes which are equipped with a flight crew compartment door in accordance with subparagraph (b):
1. this door shall be closed prior to engine start for take-off and will be locked when required by security procedure or the commander, until engine shut down after landing, except when deemed necessary for authorised persons to access or egress in compliance with National Aviation Security Programme;"
There should be a procedure in your OMA Section 10 which is accepted by the CAA.
The NASP in the UK is a restricted document, usually the Operator's Aviation Security Manager has a copy.
despegue, I am always amazed when someone needs to act despotically in order to aks for respect. You are one of them... and terribly affected with that gigantic EGO which is the first cause of airline disasters. Just hope you won’t be so cocky if ever you'll have cockpit intrusion...