时间:2011-03-11 23:11来源:蓝天飞行翻译 作者:admin 点击:次
accurate. Free from error, or conforming exactly to a standard or pattern. AC/DC (type of electrical component). Electrical components that can operate equally well on alternating current or direct current. ACDO (air carrier district office). An FAA field office staffed with Flight Standards personnel. ACDOs serve the aviation industry and general public on matters related to the certification and operation of scheduled air carriers and other large aircraft operations. ace. A term used in warfare to identify a pilot who has downed five or more enemy aircraft. This term was first used during World War I. acetone. A flammable liquid ketone used as a solvent and as an ingredient in many types of aircraft finishes. acetylene gas. A colorless, nontoxic flammable gas (C2H2)generated when calcium carbide is dissolved in water. Acetylene gas is used as a fuel gas for welding. acetylene regulator. A single-or two-stage pressure regulator that is used to decrease the pressure of acetylene gas to a value that is appropriate for the torch being used. Most regulators have two pressure gages, one to indicate the pressure of the gas in the cylinder and the other to indicate the pressure being delivered to the torch. AC flared tube fittings. A series of flare-type fittings used in some of the older aircraft hydraulic systems. AC fittings have a 35° flare cone, and they may be distinguished from a similar appearing AN fitting by the threads on an AC fitting extending all the way to the flare cone, while there is a slight shoulder between the cone and the first thread of an AN fitting. The procedures described in this advisory circular are considered by the FAA to be acceptable data and can be submitted to them for approval for specific repairs. |