The company provides government and commercial facilities designated as Tenant Restricted Areas (TRA) at HKIA with various aviation security related services in order to assist the effective implementation and maintenance of TRA Security Programmes.

Routinely provided services for tenants at HKIA include:

-	Access control to Airport Restricted Area & Tenant Restricted Area
-	Security screening of cargo at Cargo Terminal Operators' facilities by use of X-ray and explosives trace detection technology
-	X-ray screening of air mail and express cargo
-	Aviation security controls at off-site, designated aircrew and baggage screening channels