工作中经常碰到一些英文缩写，别人经常提，明明不知道却不好意思问，更恼火的是要么差不到什么意思，要么查出很多意思，却没有想要的结果。
A/C or AC
In aviation, this common abbreviation stands for aircraft. In commercial aviation, there are two types of aircraft – narrow-body and wide-body. Narrow-body aircraft are characterized by a single-isle configuration and operate on short distance flights. Wide-body, on the other hand, have capacity to carry between 200 and 850 passengers and typically have two isles. These aircraft fly medium and long haul flights.
AOG
Deciphered as Aircraft on Ground, this aviation maintenance term indicates that an aircraft problem is serious enough to prevent it from leaving the ground. While an AOG situation can be caused by a variety of reasons, like flight scheduling conflicts or even weather conditions, sometimes in-service aircraft can also be grounded for mechanical reasons. If that is the case, commercial aircraft cannot return to service until they’re repaired, inspected and approved.
MRO
Abbreviating maintenance, repair and overhaul, or maintenance repair organization, it is the core services of many aviation businesses. MRO refers to all the activities that are aimed at ensuring the aircraft remain ready to fly at all times.
“Maintenance part of the business is responsible for making sure that the aircraft is in prime flying conditions, explains Matutyte. “ Repair is the rectification and elimination of actual/active defect, damage or system irresponsiveness and may vary from small dents to more extreme, like engine failure. Overhaul, on the other hand, is a process of preventive maintenance of the components of the aircraft or AC it self. Process includes complete disassembly and verification of unit in accordance with OEM (original equipment manufacturer) CMM (component maintenance manual) or AMM (aircraft maintenance manual).”
Matutyte解释说，公司的维修部分负责确保飞机处于最佳飞行状态。“修理是对实际/活动缺陷、损坏或系统反应迟钝的纠正和消除，可能从小的凹痕到更极端的情况，如发动机故障。另一方面，大修是对飞机部件或飞机本身进行预防性维护的过程。流程包括根据OEM(原始设备制造商)CMM(部件维护手册)或AMM(飞机维护手册)对设备进行完全分解和验证。”
IATA
International Air Transport Association, founded in 1945 and abbreviated as IATA more often than not, is the trade association for the world’s airlines. IATA supports aviation with global standards for airline safety, security, efficiency and sustainability.
AO
Refers to aircraft operator, an organization and people who either own or operate the aircraft, equipment, procedures and related information. It is important not to confuse with the term “air carrier,” which usually means an air transport undertaking with a valid operating license, according to a definition by EU Regulation.
ACMI
Deciphered as aircraft, crew, maintenance and insurance, in the last couple of years, ACMI has become a more visible aviation abbreviation. Also referred to as a wet or damp lease, it is an agreement between two airlines.
“One airline – the lessor – agrees to provide an aircraft, crew, maintenance and insurance to another – the lessee – in return for payment on the number of block hours operated,” clarifies Matutyte. “This also means that the lessee is provided with additional or replacement capacity, even if it is at a short notice. These operations are quite common in business as well as commercial and cargo aviation world. ACMI as a business line has seen major popularity spike in the industry in the last couple of years and some say is one of the key driving forces of the industry at the moment.”
GSE
Ground service equipment is abbreviation of ground power units (GPUs), air start units (ASUs), tow vehicles, towbars and other transportation and equipment used by ground handling and support services to provide an aircraft with.
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