无论飞机承担何种角色或任务，维修都是直升机运行不可或缺的组成部分。正确执行维修可确保向飞行运行部门交付安全、适航且可靠的飞机。要实现安全的技术运行，需要若干不同技术职能在国家和国际主管部门的管辖下协同开展工作。
Maintenance is an essential part of helicopter operations regardless of the role or mission the aircraft undertakes. The correct execution of this ensures that the aircraft are delivered safe, airworthy, and reliable to Flight Operations. To allow for safe technical operations it takes the work of several different technical functions operating under the jurisdiction of national and international authorities.