时间：2018-05-12 08:02来源：蓝天飞行翻译公司 作者：民航翻译 点击：次
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A device fitted to aircraft flight recorders (e.g. cockpit voice recorder, flight data recorder) or attached directly to an aircraft fuselage. Such device is designed to: • Be activated by immersion in water, • Operate on a specified frequency for a specified duration, and • Survive the impact of an accident and function correctly after impact. Unidentified Baggage Baggage at an airport, with or without a baggage tag, which has not been picked up by or identified with a passenger or crew member. Unit Load Device (ULD) Specific components that enable individual pieces of cargo, baggage or mail to be assembled into a standard-sized unit for the purpose of facilitating the rapid on-loading and off-loading of aircraft equipped with compatible cargo compartment handling and restraint systems. Each of the following constitutes a ULD: • Aircraft pallet and pallet net; • Aircraft pallet and pallet net over an igloo; • Aircraft container. Equivalent Term: Freight Container (Non-radioactive Materials) Unmanned Aerial Vehicle (UAV) A UAV is an aircraft without a human pilot on-board. UAVs can be remote controlled aircraft (e.g. flown by a pilot at a ground control station) or can fly autonomously based on pre-programmed flight plans or more complex dynamic automation systems. It is popularly known as a ‘drone’. Unmanned Aircraft Systems (UAS) An aircraft and its associated elements that are operated with no pilot on board. Unknown Cargo A shipment of cargo tendered to a regulated agent or operator that has not been submitted to appropriate security controls, or A shipment of cargo subjected to appropriate security controls that may have or is confirmed to have been subjected to unlawful interference. See Cargo, Regulated Agent. Unruly Passenger See Disruptive Passenger. Unserviceable The state of an aircraft, engine, component, or any piece of equipment as being in a condition that does not permit usage in operations. Equivalent Term: Inoperative V Valuable Cargo A cargo shipment that contains one or more valuable articles (specified in the IATA Cargo Services Conference Resolutions Manual, Resolution 012. Vendor See Supplier. Verification Audit (VA) An audit conducted under the IOSA/ISAGO program to ensure continuing conformity with the ISM/IPM or the GOSM/GOPM respectively. A verification audit may not always cover all IOSA/ISAGO disciplines, and is conducted during the IOSA/ISAGO registration period of an operator. The VA is initiated by the SVP, SFO in accordance with IPM/GOPM provisions. See Audit, IOSA Program, IOSA Program Manual (IPM). Visual Flight Rules (VFR) The rules and regulations that govern the operation of an aircraft in weather conditions that permit the pilot to see where the aircraft is going, and where the pilot is responsible for the observation and avoidance of terrain, obstacles and other aircraft. Visual Inspection A visual inspection either directly or by the assistance of a suitable apparatus to determine the state of an area or part. Visual Meteorological Conditions (VMC) Meteorological conditions expressed in terms of visibility, distance from cloud, and ceiling, equal to or better than specified minima. W Wake Turbulence Turbulence that forms behind an aircraft as it passes through the air, resulting from vortices formed as the wings produce lift. Equivalent Terms: Wingtip Vortices, Jet Wash Warning Letter An official letter issued by IATA to an Audit Organization (AO) indicating a need to immediately rectify defined program deficiencies or face accreditation revocation. Weapon An instrument or device that is capable of and intended for being used to inflict damage or harm to living beings, structures, or systems; normally prohibited from being carried on board an aircraft by a passenger. Weight and Balance Manual (W&BM) A manual published for each aircraft type by its manufacturer, which is approved by the airworthiness authority as part of the aircraft type's certification, and which defines the set of weight and balance limits not to be exceeded by the operator when loading the aircraft. Wet Drill A practical training exercise whereby crew members get into a life raft that is in the water, either by climbing into the raft from the water or boarding the raft directly from an aircraft exit. Wet Lease (Operational) The business practice whereby an operator (the “lessee”) satisfies its own operational needs by utilizing aircraft acquired from an external operator (the “lessor”) through a commercial lease agreement; the lessor exercises operational control of such aircraft in operations conducted for the lessee. |
