NF A49-247-1981 钢管.热交换器用纵向焊接钢管.奥氏体不锈钢.尺寸.交货技术条件

上一篇: ISO 2551-1981 机制铺地织物受不同水和热影响引起尺寸变化的测定
下一篇: ISO 2143-1981 铝和铝合金的阳极氧化封孔后的阳极氧化膜吸收能力损失的评估酸处理后的染斑试验

Product Code:SAE AIR5416
Title:Maintenance Life Cycle Cost Model
Issuing Committee:Ams Cacrc Commercial Aircraft Composite Repair Committee
Scope:This document describes a life cycle cost model for commercial aircraft composite structure. The term life cycle cost used herein, refers to the airline costs for maintenance, spares support, fuel, repair material and labor associated with composites after introduction into service and throughout its useful life. This document contains the equations that can be programmed into software which is used to estimate the total cost of ownership aircraft, including structure. Modification costs and operating costs are estimated over a specified life (any period up to 30 years). Modification costs include spares holding, training, support equipment, and other system related costs. Annual operating costs include: Schedule interruption, fuel, spares, insurance, and maintenance. Maintenance costs are separated by scheduled maintenance or unscheduled damage, or can by grouped into the typical organizations of line, shop, and hangar maintenance. This Lifecycle Cost allows users to evaluate the impact of Service Bulletins, potential design changes, changes in maintenance programs, or effectiveness of maintenance operations.

标准名称：	带表内卡钳D=8～30mm
中标分类：	航空、航天 >> 航空器与航天器制造用设备 >> 量具
发布日期：	1974-11-11
实施日期：	1976-06-01
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作废日期：
出版日期：
页数：	4页

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