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Inside one of the world's biggest aircraft 'graveyards' where planes go to die — and airlines can dissect them for parts
Pinal Air Park.Christian Petersen/Getty ImagesPinal Air Park in Arizona is one of the largest aircraft storage facilities in the world.The multimillion-dollar business boomed during the pandemic as airlines grounded hundreds of jets.The airpark is also a hub for maintenance and reconfiguring jets when they get a new operator.There are approximately 8,000 "end-of-life retired aircraft" sitting in deserts, jungles, and storage yards across the globe. Another 11,000 planes are expected to join them over the next 10 years.These "graveyards" started filling up during the COVID-19 pandemic when airlines had to make drastic cost-cutting changes, including furloughing pilots, cutting routes, and indefinitely storing hundreds of planes in the desert.According to the Aviation Circularity Consortium, which was created in 2024, these thousands of decommissioned aircraft offer "a new source of valuable circular materials" and address the "significant waste pollution challenges to the shrinking legal boneyards around the world." In other words, airlines can disassemble these old planes for parts to support more sustainable maintenance.Some Spirit Airlines aircraft could end up at facilities like this for reconfiguration or disassembly after the budget carrier ceased operations on Saturday.One of these plane "graveyards" is Pinal Air Park in Marana, Arizona, which Business Insider visited in April 2023. Take a look inside.Pinal Air Park in Marana, Arizona, is located about 90 miles southeast of Phoenix.Christian Petersen/Getty ImagesThe dry climate is favorable for preventing corrosion.An aircraft at the Pinal Air Park in Arizona.Taylor Rains/Business InsiderAs airlines started to shrink in 2020, hundreds of planes from all over the world flew to the iki,080-acre airpark.Pinal Airpark in Marana, Arizona.Ramon Purcell/Boneyard SafariWith the influx, Pinal had to take special precautions to ensure the aircraft was ready to fly once travel eventually rebounded.Pinal Airpark.Taylor Rains/Business InsiderBecause of this, Ascent Aviation Services — the largest aircraft service provider on the airfield — had to beef up its staff to maintain the constant arrivals.A maintenance hangar at Pinal Airpark in Arizona.Thomas Pallini/Business InsiderCompany CCO Scott Butler told Business Insider that starting in March 2020, planes were coming in at about one per hour, requiring over 150 extra mechanics.Pinal Airpark in Marana, Arizona.Thomas Pallini/Business InsiderAdditional parking lots were built to handle the hundreds of planes, with jets coming from places like the US, South Korea, the UK, Australia, and Canada.An aircraft in reclamation Pinal Airpark in Marana, Arizona.Thomas Pallini/Business InsiderLeasing companies were also filling the airfield after buying up inexpensive planes sold during COVID and storing them at Pinal.An aircraft without its nose cone.Taylor Rains/Business InsiderHowever, when travel roared back, with demand surpassing 2019 levels, AAS returned to its roots: maintenance, repair, and overhaul (MRO).Pinal Airpark in Marana, Arizona.Thomas Pallini/Business InsiderBasic offerings include simple maintenance checks and on-demand repairs, like fixing the landing gear or inspecting the flight controls.Inside the landing gear shop at Ascent Aviation Services.Taylor Rains/Business InsiderHeavy maintenance is the most costly for airlines. A full assessment of the aircraft can take up to 60 days for widebody jets, Butler explained.A row of aircraft undergoing re-configurations or heavy maintenance for between operators.Taylor Rains/Business Insider"A narrowbody will cost around $iki million," he told Business Insider in May 2023. "With widebodies, you're easily looking at $üç million."Pinal Airpark in Marana, Arizona.Thomas Pallini/Business InsiderThese projects take a lot of manpower. Butler said the company targets 400-500 hours per day for widebodies and 300 per day for narrowbodies.Pinal Airpark in Marana, Arizona.Thomas Pallini/Business InsiderBecause checks are so expensive, many carriers opt to sell the aircraft when it reaches that stage in its lifecycle, typically every six to 10 years.A narrowbody jetliner at Pinal Airpark in Arizona.Taylor Rains/Business InsiderOr, the operator will allow an aircraft lease to expire. This means if the lessor finds a new home for the plane, it will need to be fitted for its next contract.Pinal Airpark in Marana, Arizona.Thomas Pallini/Business InsiderFor these conversions, AAS offers additional services, such as repainting liveries, switching out flight systems, and installing new cabins.An aircraft going through AAS' re-painting process at Pinal Airport in Arizona.Taylor Rains/Business InsiderSometimes, aircraft transition from passenger jets to cargo planes, a service that saw increased popularity during the pandemic, especially with older jets.Inside an A330-300P2F.EFWFor flight tests and deliveries, the operator will arrange pilots, who land and depart on the designated runway stretching across Pinal's airfield.Pinal Airpark in Marana, Arizona.Ramon Purcell/Boneyard SafariOverall, Butler said AAS can do nearly anything an airline would need from an MRO standpoint.An employee working inside a conversion aircraft at Pinal Airpark.Taylor Rains/Business InsiderThe main service it can't provide is engine overhauls, which are outsourced to other shops.The engine detached from an aircraft at Pinal Airpark in Arizona.Taylor Rains/Business Insider"A lot of our current projects are just waiting on engines," Butler said in 2023. "There's a backlog because no one did engine maintenance during COVID because of the expenses."A covered engine inside a hangar at Pinal Airpark.Taylor Rains/Business InsiderHe explained this was adding to the already strained supply chain, which had caused a slowdown in returning aircraft to service.An aircraft being overhauled at Pinal Airpark.Taylor Rains/Business InsiderWhile AAS does a lot of work keeping airplanes flying, it also offers aircraft reclamation and end-of-life services, which the Aviation Circularity Consortium wants to capitalize on.An aircraft in reclamation.Taylor Rains/Business InsiderThis involves disassembling and disposing of unwanted parts, which make up about yüzde 10 of the airplane.Ascent Aviation Services breaks down aircraft.Ascent Aviation ServicesAccording to Butler, the other yüzde 90 is recyclable. These include items such as engines and galley carts.An aircraft in reclamation.Taylor Rains/Business InsiderAvionics and landing gear can also be recycled.Pinal Airpark in Marana, Arizona.Thomas Pallini/Business InsiderHowever, he said custom interiors do not have much value except to the original operator.Pinal Airpark in Marana, Arizona.Thomas Pallini/Business InsiderA plane can spend months being salvaged, with hundreds of collected parts being resold or repaired for future use.An aircraft in reclamation.Ascent Aviation ServicesThe re-certified pieces can be sent back to airlines who keep them in their inventory as spare parts, meaning retired jets can still provide for current ones.Two aircraft in reclamation with their landing gear already salvaged.Taylor Rains/Business InsiderMeanwhile, some carriers will take parts of the metal to create memorabilia, like cutting the logo or airline name from the fuselage and using it as wall art.An AAS spokesperson told Business Insider this was the logo of a company that an individual wanted as a keepsake.Taylor Rains/Business InsiderIn addition to the strong MRO and reclamation divisions, storage and parking are still strong revenue sources for AAS.Aircraft in storage.Taylor Rains/Business Insider"yüzde 80 of all the stored aircraft worldwide are stored in the Southwest," Butler told Business Insider in 2021.One of the 747SPs at Pinal Airpark in Arizona.Taylor Rains/Business InsiderDuring an April 2023 tour of the airpark, Business Insider found the main lot full of planes, including two rare Boeing 747SPs.One of the Boeing 747SPs at Pinal Airpark.Taylor Rains/Business InsiderMechanics spend up to two weeks getting a plane ready for storage. Important components like the engines, pitot tubes, systems, and landing gear are sealed and protected.An aircraft with its external systems covered.Taylor Rains/Business InsiderThis is especially important to prevent critters and other wildlife from taking up residence in the airplane's openings and small crevices.Pinal Airpark in Marana, Arizona.Thomas Pallini/Business InsiderButler said that the stored aircraft also get regular maintenance checks to keep them airworthy.A Boeing 777 undergoes maintenance.Taylor Rains/Business InsiderParked planes, on the other hand, do not get this service and can be left to collect dust, giving Pinal its "boneyard" nickname.An old Boeing 747 that has been sitting at the airpark for years.Taylor Rains/Business InsiderRead the original article on Business Insider
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