MEW(Manufacturers Empty Weigh): 制造商空机重量，指的是飞机的结构重量，包括基本的必要设备，发动机，以及飞机系统的重量。OEW(Operation Empty Weight ):运营空机重量，制造商空机重量加上飞机运营必须配备的…

The "Operating empty weight" (OEW) is the sum of the empty weight and the crew plus their baggage. Standard items include all structural modification or configuration orders that may have altered the MEW, including all fluids necessary for operation such as engine oil , engine coolant , water , hydraulic fluid and unusable fuel .

所谓odm和oem，m指的是manufacturer。 这个m（只）具备e（equipment生产）的特征成为oem 还具备d（design设计+e生产）的特征成为odm

OE代表原始设备 (Original Equipment)。 OE零件是车辆在工厂制造的零件，即汽车最初制造时使用的所有原始零件。 汽车出厂后，其他所有部件都不是OE部件。

使用空机重 或称营运空重(oew)：飞机结构重量 + 机组、乘务组及其行李 + 随机工具、资料 + 救生、应急设备 + 配套等处于可使用状态的重量； 同一机型各飞机的OEW可能不同，同一飞机的OEW也可能改变。

原始设备制造商 简称OEM，OEM是英文Original Equipment Manufacturer的缩写，也称为定点生产，俗称代工（生产），基本含义为品牌生产者不直接生产产品，而是利用自己掌握的关键的核心技术负责设计和开发新产品，控制销售渠道。

Operational Empty Weight (OEW) in aviation is a term that defines the total weight of an aircraft’s structure, engines, and all permanently installed equipment. It is a fundamental parameter in aircraft weight categorization, serving as a baseline for …

2024年4月6日 · 使用空机重或营运空重(oew)，则是飞机结构重量与机组人员、乘务员、行李、随行工具、文档资料以及救生设备和配件等所有可使用的组成部分的总和。尽管同一型号的飞机oew可能因维护状态或额外配置而有所不同，飞机在运行中的实际oew也会随着装载和使用 ...

2020年5月5日 · Airbus stopped posting the OEM OEW of models in their ACAPS years ago, so it is hard to get an accurate figure. The Trent 7000 engines do weigh more and there was some additional structural weight to support the winglets.

The Operating Empty Weight (OEW) of an aircraft refers to its weight when it is empty of passengers, cargo, and fuel, but includes the weight of the crew, any operational items, and basic equipment necessary for flight and is represented as W E = W G-W U or Operating Empty Weight = Gross Weight-Useful Weight. Gross Weight of Aircraft refers to ...