Aircraft Maintenance Book Pdf
Kipa Crawn
Aircraft maintenance is the performance of tasks required to ensure the continuing airworthiness of an aircraft or aircraft part, including overhaul, inspection, replacement, defect rectification, and the embodiment of modifications, compliance with airworthiness directives and repair.[1][2]
The maintenance of aircraft is highly regulated, in order to ensure safe and correct functioning during flight. In civil aviation national regulations are coordinated under international standards, established by the International Civil Aviation Organization (ICAO). The ICAO standards have to be implemented by local airworthiness authorities to regulate the maintenance tasks, personnel and inspection system. Maintenance staff must be licensed for the tasks they carry out.[3]
Major airworthiness regulatory authorities include the US Federal Aviation Administration (FAA), European Union Aviation Safety Agency (EASA), Australian Transport Safety Bureau (ATSB), Transport Canada (TC) and Indian Directorate General of Civil Aviation.
Aircraft maintenance in civil aviation generally organized using a maintenance checks or blocks which are packages of maintenance tasks that have to be done on an aircraft after a certain amount of time or usage. Packages are constructed by dividing the maintenance tasks into convenient, bite-size chunks to minimize the time the aircraft is out of service, to keep the maintenance workload level, and to maximize the use of maintenance facilities.[4]
An engine failure can significantly impact operations and revenue. A programme of calculated pre-emptive engine changes, sometimes referred to as "power by the hour", provides budget predictability, avoids installing a loan unit during repairs when an aircraft part fails and enrolled aircraft may have a better value and liquidity.
This concept of unscheduled maintenance was initially introduced for aircraft engines to mitigate engine failures.[5] The term was coined by Bristol Siddeley in 1962 to support Vipers of the British Aerospace 125 business jets for a fixed sum per flying hour.[6] A complete engine and accessory replacement service was provided, allowing the operator to accurately forecast this cost, and relieving him from purchasing stocks of engines and accessories.[citation needed]
In the 1980s, Rolls-Royce plc reinstated the program to provide the operator with a fixed engine maintenance cost over an extended period of time. Operators are assured of an accurate cost projection and avoid the breakdowns costs; the term is trademarked by Rolls-Royce but is the common name in the industry.[7] It is an option for operators of several Rolls-Royce aircraft engines.[citation needed] Other aircraft engine manufacturers such as General Electric and Pratt & Whitney offer similar programs.[8][9]
Jet Support Services provides hourly cost maintenance programs independently of the manufacturers.[10] GEMCO also offers a similar program for piston engines in general aviation aircraft.[citation needed] Bombardier Aerospace offers its Smart Services program, covering parts and maintenance by the hour.[citation needed]
At the completion of any maintenance task a person authorized by the national airworthiness authority or delegated organization signs a maintenance release stating that maintenance has been performed in accordance with the applicable airworthiness requirements. A maintenance release is sometimes called a certificate of release to service (CRS).[3]
The ICAO defines the licensed or rated role of aircraft maintenance by a technician, engineer or mechanic), allowing that each contracting state may use whichever of these terms it prefers.[12] Although aircraft maintenance technicians, engineers and mechanics all perform essentially the same role, different countries may use these terms in different ways to define their individual levels of qualification and responsibilities.[citation needed]
Most national and international licensing bodies make a division between the roles of carrying out repair and maintenance on the one hand, and certifying the vehicle or subsystem or component as flightworthy, on the other. ICAO requires that the certification privilege be a delegated function of the nation's responsible Secretary of State. The Secretary of State may authorize another organization to grant the certification privilege to staff on their behalf.[12]
In many other countries, including Australia, Bangla Desh, Canada, India, New Zealand and South Africa, a person directly granted the privilege of certification is a qualified AME (Aircraft Maintenance Engineer) or Licensed AME, also written as LAME or L-AME.[14] (Unlicensed mechanics or tradespersons are sometimes informally referred to as "Unlicensed AMEs"[15])
Roles may be further divided up. In Europe aircraft maintenance personnel must comply with Part 66, Certifying Staff, issued by the European Aviation Safety Agency (EASA). This regulation establishes four levels of authorization:
Major airframe manufacturers Airbus, Boeing and Embraer entered the market, increasing concerns about intellectual property sharing. Shared data-supported predictive maintenance can reduce operational disruptions. Among other factors, prognostics helped Delta Air Lines reduce maintenance cancellations by 98% from 5,600 in 2010 to 78 in 2017.[24]
For example, Spain's Air Nostrum operates 45 Bombardier CRJs and ATR 72s and its 300-person maintenance department provides line, base maintenance and limited component repair for other airlines 20% of the time.[25]
As an aircraft gets older, a greater percentage of its value is represented by its engines. Over the course of the engine life it is possible to put value back in by repair and overhaul, to sell it for its remaining useful time, or to disassemble it and sell the used parts, to extract its remaining value.Its maintenance value includes the value of life-limited parts (LLPs) and the time before overhaul.The core value is the value of its data plate and non-life-limited-parts.[29] Engine makers deeply discount their sales, up to 90%, to win the multi-year stream of spares and services, resembling the razor and blades model.[30]
Aircraft maintenance is the process of ensuring that an aircraft is safe and reliable for flight through regular inspections, repairs, and replacements of its components, systems, and structures. It is a critical aspect of aviation safety, as even minor malfunctions or defects can have serious consequences in the air.
Aircraft maintenance is governed by strict regulations and standards set by national and international aviation authorities, and it requires skilled technicians and mechanics to perform the necessary tasks.
The main objective of aircraft maintenance is to keep aircraft in airworthy condition, meaning that they are safe to fly and meet the required performance standards set by aviation authorities. This involves regular checks of various components, such as engines, hydraulic and electrical systems, avionics, airframe, and landing gear, to ensure that they are functioning properly and free from defects or damages.
Aircraft maintenance is a highly regulated and structured process that is governed by national and international aviation authorities, such as the Federal Aviation Administration (FAA) in the United States and the European Aviation Safety Agency (EASA) in Europe. These organisations set the standards and regulations for aircraft maintenance, and they require that all maintenance work is carried out by qualified and certified technicians and mechanics.
An aircraft mechanic plays a vital role in ensuring the plane meets the high safety requirements. The role can be very varied depending on the type of plane and the airline the mechanic works for, but the following is an example of some of the tasks an aircraft mechanic carries out:
Are you interested in a career that provides well-paid opportunities and ensures the safety of the flying public? FAA-certificated Aviation Maintenance Technicians (AMT) work in highly-technical specialty occupations involving the continued operational safety of products and articles, keeping U.S.-registered aircraft operating safely and efficiently.
AMTs hold highly-transferable skills that can be used in a broad-range of industries; career opportunities in the aviation sector include employment at airlines, fixed-base operators, manufacturers, repair stations, aviation maintenance schools and in business or general aviation. Specialty fields include avionics, balloons and airships, rotorcraft, and unmanned aircraft systems.
The mechanic is a maintenance technician certificated by the FAA based on personal knowledge gained through training and experience, which is demonstrated via successful completion of written, oral, and practical tests.
Career & Wage InformationAMTs usually work at Maintenance and Repair Organizations (MROs), airlines, or in commercial/corporate or general aviation (GA), but may pursue careers in other organizations as well. See the links below to learn more about what AMTs do, their work conditions, and average wages.
If you are interested in a career as an Avionics Technician, the training and experience requirements are different from those for an AMT. Many Avionics Technician employers highly recommend you also possess an Aviation Mechanic certificate with an Airframe rating.
A. The requirements are prescribed in Title 14 of the Code of Federal Regulations (14 CFR)part 65, Certification: Airmen Other Than Flight Crewmembers, Subpart D - Mechanics. An applicant must be:
A. The FAA does not prescribe any general education requirements. (Note: Some employers may require a minimum of a high school diploma or evidence of having passed the General Educational Development (GED) exam.)
A. No, unless your disability impacts the eligibility requirements. If your disability has such an impact, contact your local FAA Flight Standards District Office (FSDO) for more information. (Note: Some employers have established physical or medical requirements for employment as an Aviation Mechanic with their organization.)
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