Aircraft Maintenance, strict security checks

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In this new installment we will review aircraft maintenance, which are strict periodic check-ups for the aeronautical security.

airplanes are machines, that just like your car, can be damaged, failures or unforeseen problems that will affect the operation of the operating airline, for this is that there are strict maintenance processes to reduce the incidence of these cases that are unavoidable called AOG (Aircraft On Ground) and also more in-depth maintenance that guarantees the safety of the operation.

If you ever wondered how regulatory bodies guarantee safety and that airlines comply with the maintenance that guarantees a safe airline industry, here we tell you.

Aeronautical maintenance

The airline industry is the most regulated industry in the world, which implies strong and strict maintenance processes, as one of the main milestones to guarantee the safety of operations, which are established by the ICAO – International Civil Aviation Organization and will be supervised by the regulatory authority of each member state.

Within these processes, the different maintenance tasks are regulated., technical staff like aircraft mechanics, personnel and inspection system, everyone must have a certified license to carry out these tasks.

aircraft checks

The checks that are carried out on aircraft are extensive and to talk in detail about all the maintenance processes would be extremely long and what we are looking for in this issue is to know in general terms the different processes and thus demonstrate the confidence that the industry has in the fear to fly of the general public.

The number of checks or their frequency are determined by the aircraft manufacturers as Airbus O Boeing defined by flight hours or cycles, depending on the part to be treated.

online check

• These are the simplest maintenance processes relatively speaking and are performed on a scheduled or emergent basis on the airport apron or airline hangar depending on each requirement. 100 flight hours approximately. These most common processes involve changing tires, Small pieces, oil, etc.

Check A

• This check is done approximately every 400 a 600 flight hours and depends on each type of aircraft. Check A requires a job of about 10 hours in the hangar and could be postponed due to the need of the airline in certain cases.
• Filters checked and changed, lubrication of hydraulic systems, review of safety equipment and others.

Check B

• This check is done approximately every 6 a 8 months and is done every 1 a 3 days in a hangar, this being able to be carried out gradually in the checks A.

C-check

• Check C is the first maintenance process considered “heavy” and is performed approximately every 20 a 24 months depending on the type of aircraft and its use. An in-depth inspection of the aircraft's components is carried out there and it is generally carried out in specialized hangars or MRO. This process takes 1 a 2 weeks with more than 6.000 man hours to complete.

Chequeo C1 a C4

• Check C has divisions that perform minor inspections of the fuselage, corrosion, cracks and other structural. Also in these inspections improvements are usually made in the cabin, new seats, systems, etc.

Check D

• This is the deepest check that can be performed on an aircraft., being the most extensive and demanding of a maintenance line. This check is done approximately every 6 a 10 years varying between each plane. In general terms, This maintenance "completely disassembles" the aircraft for inspection and rectification., even the paint could be removed. A D check requires approximately 2 months to be completed and around 50.000 man hours of work, being required to be performed in a specialized MRO center.
• As this is the most extensive maintenance, many airlines choose not to carry it out on their older aircraft or plan it in advance to avoid affecting their operation.

Frequency

As we indicated at the beginning, maintenance depends on each aircraft and maintenance manuals plus manufacturer guidelines. New planes within their objectives of lowering costs, extend the need for checkups beyond older generation aircraft.

The important thing for a safe operation will always be your efficient/safe maintenance and operation by the airline, where an old aircraft is not synonymous with insecurity far from it, but yes the responsibility as it is operated.

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