U
Ultrasonic Inspection
Non-Destructive Testing method involving Ultrasonic techniques. Unaccompanied Baggage
Checked baggage that has been loaded into an aircraft that does not have the owner/passenger also on board.
Un-airworthy
A condition of an aircraft that precludes it from being released to service and flown. Unauthorised Interference
Interference that occurs when any item for transport on an aircraft (e.g. baggage, cargo, mail, stores, catering equipment) that has been accepted for transport by an operator and subjected to security controls subsequently is in contact with a person who has not been screened and/or does not have authorised access to security restricted/sterile areas where such items are stored and handled.
Also, interference related to unauthorised access to passengers, the aircraft and/or property of the operator that are in security restricted/sterile areas by a person who has not been screened and/or does not have authorised access to such restricted/sterile areas.
Unclaimed Baggage
Baggage that arrives at an airport on a flight and is not picked up or claimed by a passenger or crew member. Unidentified Baggage