航线维护的分类_航线分类

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(1)航前维护：通常是指在营运的飞机在完成航后检查工作后的第一个航班飞行前需要完成的检查工作。航前检查在始发站的停机坪

上进行,按航前维护工作单绕机一周,对飞机进行目视检查,检查内部和外部是否有明显的缺陷,按需做勤务工作.如果执行完航前

检查后飞机因为流控或排故等原因导致停留时间超过12个小时，则在起飞前需要再执行一次航前检查工作。

Pre-flight check: should normally be accomplished before the first flight of each day and is intended for in-service

airplanes.Pre-flight check will be performed in the first flight station.Walk around check should be performed to confirm if there is

obvious defect inner or outer, service as neceary.If the aircraft delayed for more than 12 hours due to traffic control or

troubleshooting after the Pre-flight check, the Pre-flight check should be performed again before flight.(2)过站检查；对短停的飞机进行的基本的围绕飞机检查以确保飞机的连续可用性。即在中途短停时检查飞机的内部和外部是否有明

显的损坏或故障，并按需进行勤务和清洁排除影响飞机放行的故障。此工作在停机坪进行。过站检查适用于飞机停留时间不超过12个小时且没有过夜。

TR check: A basic walk-around check intended to aure continuous serviceability of a transiting aircraft.This check is used at

an enroute stop to inspect aircraft interior and exterior for obvious damage or defects, service and clean as required.Troubleshoot remark(s)affecting aircraft dispatch.Tasks are done at the ramp.Le than 12 hours parking with no night parking

is acceptable for TR check.(3)航后检查：通常是飞机完成了全部计划航班任务后停留在停机坪上立即要进行的维修项目，航后检查工作按航后维护工作单进行，完成比航前、过站更全面的检查工作，并进行飞机内外清洁，排除空/地勤人员提出或发现的故障，完成规定的勤务工作。此工作

可以在停机坪进行，也可以在其他符合要求的维修场所进行。航后检查适用于飞机停留时间超过12个小时。

After flight check: This check refers to tasks to be implemented in time after all the flight of the day for the airplanes parked on the

ramp, perform much wider maintenance check than PF and TR check.At the same time perform cleaning for the inner or outer of

the aircraft.Isolation the defect reported by the flight crew or the mechanics.Comply with scheduled service.Tasks are done at

theramportheothermaintenanceplace accordwithrequirements.Morethan12hoursparkingisacceptableforafter flight

check.