Security — Page 481, Lesson 640

Let’s start with the big picture, because this whole chapter is about one idea: keeping unauthorized articles and unauthorized people off an aircraft that operates international civil aviation. Each Contracting State — that’s each country that has signed the Chicago Convention — is legally required to put measures in place. So this isn’t a recommendation; it’s an obligation on the State, and the State then passes those obligations down to operators and to the aerodrome. Let’s take the first block, 25.11, Passengers and Their Baggage. The State must ensure there are adequate measures to control the transfer and transit of passengers and their cabin baggage. Let me unpack those two words, because they’re easy to confuse. Transfer passengers are ones who change from one flight to another at that airport. Transit passengers are ones who stop at that airport and continue on the same flight. Both categories must be controlled, and the purpose is stated precisely: to prevent unauthorized articles being taken on board aircraft engaged in international civil aviation. So the target is the article, not just the person. Then there’s a second, very specific requirement. After security screening has been applied at the airport, the State must ensure there is no possibility of mixing or contact between passengers who have been subjected to security control and other persons who have not been subjected to security control. Think of it as a sterile zone — once you’ve been screened, you must not come into contact with anyone who hasn’t been screened. And here’s the consequence, and it’s a hard rule: if mixing does occur, the passengers and their baggage will be re-screened before boarding an aeroplane. So the remedy is not to shrug it off — it’s a mandatory re-screen. Now 25.12, Deportees and Persons in Custody. States must establish procedures to ensure that the operator and the PIC — that’s the Pilot in Command — are informed when deportees and persons in custody are travelling. Why? So that the appropriate security measures can be enforced. The key point is that the information must flow to two specific people: the operator and the PIC. Then there’s normal practice, and I want you to note the wording — it says it is normal practice that deportees and persons in custody are embarked first and before any passengers. So they board before everyone else. Operators are to ensure that procedures are detailed for the carriage of deportees and persons in custody. And this category explicitly includes ‘potentially disruptive’ passengers — and here’s the precise definition — passengers who are obliged to travel because they have been the subject of judicial or administrative proceedings. So it’s not just someone who looks troublesome; it’s someone whose travel is compelled by a court or by an administrative process. Next, 25.13, Checked Baggage and Other Goods. States must establish measures to ensure that operators do not transport the baggage of passengers who are not on board the aeroplane — unless two conditions are both met. First, the baggage is stowed in separate compartments from the passengers. Second, it has been the subject of other security control measures. So the default is: no passenger, no baggage. The only exception is if you isolate that baggage physically from the passengers and you apply additional security controls to it. Finally, 25.14, Access. States are required to establish procedures and identification systems to prevent unauthorized access by persons or vehicles to the airside of an aerodrome serving international — and the text cuts off there, but the principle is clear: the airside is the part of the aerodrome beyond security, where the aircraft and the operational areas are. The State must set up both procedures — the rules of how access happens — and identification systems — the credentials that prove someone is authorized — so that neither persons nor vehicles can get in without authorization. So the thread through all four of these is the same: the State is the one legally responsible, and it must force operators and aerodromes to control people, baggage, and access — and when the control fails, like with mixing, the rule is re-screen before boarding.