In modern aviation, the term Line Replaceable Unit (LRU) is critical to efficient maintenance and operational readiness. Whether you’re a student, mechanic, or aviation professional, knowing what an LRU is—and how it functions—can improve your understanding of aircraft systems and logistics. This guide explains the meaning of an LRU in aviation, its role in aircraft … Read more
The definition of base maintenance is simple – it is all maintenance which does not fall under the line maintenance category. In practice, this will be mainly heavy checks such as C and D checks. During those checks major and minor aircraft systems are being evaluated together with complex and time consuming tasks such as … Read more
Most Aircraft types, typical line maintenance tasks would include a daily check and a weekly check. A daily check is performed anywhere from every 24 to every 48 hours. A weekly check is performed every 7-8 days. Apart from that, there may be several OOP (out of phase) maintenance tasks which can be considered to be line … Read more
In this video Boeing 747 Aircraft going for D check at british Airways maintenance hangar.
Aircraft maintenance checks are periodic inspections that have to be done on all commercial/civil aircraft after a certain amount of time or usage. (military aircraft normally follow specific maintenance programmes which may or may not be similar to those of commercial/civil operators). Airlines and other commercial operators of large or turbine-powered aircraft follow a continuous … Read more