Keep your planes in tip-top shape

Release date: 2020 June 30

More work is needed to maintain a parked aircraft than a flying one

In the middle of April, airlines around the globe had put 62% of worldwide aircraft fleet into storage, which brought new challenges of maintaining a record high number of stored aircraft. While it may seem that a parked aircraft requires minimal maintenance during its grounding period, the reality is far different.

Challenges of parking the aircraft

Sending an aircraft into a storage is a hard and time consuming process. Emirates, boasting a fleet of 256 Boeing 777 and Airbus A380 aircraft, has said that parking one aircraft takes 4-6 employees working a 12-hour shift, which in total could take up to more than 18.000 man hours to securely park their whole fleet of aircraft.

The process of preparations for long-term parking includes covering intake, exhaust points found in aircraft, pitot tubes, static ports, temperature and angle of attack sensors. At the same time the airline has to make sure to have protected its cabin product by covering up in-flight entertainment screens and systems.

There is also a need of greasing and cleaning of landing gear and flight control systems, with further steps being preservation of aircraft fuel tanks and potable water systems. At last, when sending an aircraft into a storage, the team makes sure to have every switch found in the cockpit turned off, batteries disconnected, control lever locks installed and window blinds blocking direct sunlight entering the cabin.

Periodic checks during the storage of aircraft

When the engineering team has successfully preserved an aircraft, the next step includes periodic checks performed at 7, 15 and 30-day intervals across the fleet. The team has to perform simple checks like walk around inspection or more complex ones which include startup of engines and bleed systems checks.

Bringing the aircraft back into service

With more than 100 man hours already invested in preservation of aircraft, the airline at some point may want to reactivate at least some of its aircraft fleet, which is also a time consuming and complex process. In Emirates’ case, the airline has to dedicate 4-5 employees and at least 18-24 hours to return an aircraft into service. In an event where Emirates had to ground its whole fleet, the airline would need more than 30.000 man hours to reactivate its entire fleet. The process would include complex checks and tests to make sure that an aircraft is safe to operate and transport passengers.


As most of the airlines are performing heavy maintenance or grounding their aircraft, Enginestands.com has capabilities to lease engine stands for transportation and storage of CFM56, Trent 700, V2500, and PW4000 engines. Enginestands.com gives customers flexibility and fast delivery times for AOG situations across the globe.

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