Aerospace

Clean Aviation SWITCH Project to Advance Hybrid-Electric and Water Enhanced Turbofan Technologies

This will be the hybrid aircraft engine of the future.

With the help of the European Union Clean Aviation Joint Undertaking, a collection of aerospace technology companies has announced the creation of a cooperative collaboration to create hybrid-electric and water-enhanced turbofan technology for future aircraft propulsion systems (Clean Aviation).

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By comparing these technologies to current state-of-the-art propulsion systems for short- and medium-range aircraft, MTU Aero Engines AG (MTU), Pratt & Whitney, Collins Aerospace (Collins), GKN Aerospace, Airbus, and others hope to show how these technologies can increase fuel efficiency and reduce aircraft CO2 emissions by up to 25%. MTU manages the consortium’s operations.

The Sustainable Water-Injecting Turbofan Comprising Hybrid-Electrics (SWITCH) project is focused on developing a novel propulsion concept built from two revolutionary and synergetic technologies: Water Enhanced Turbofan (WET) and hybrid-electric propulsion. By combining these technologies with Pratt & Whitney’s GTFTM engine architecture, the SWITCH concept aims to significantly enhance efficiency and substantially reduce emissions across the full operating envelope of an aircraft.

The hybrid-electric GTF powertrain will enable even greater efficiency across all phases of flight by leveraging highly efficient megawatt class electric motor generators, power electronics, and batteries to optimize the performance of the fuel-burning gas turbine. The WET concept recovers water vapor from the engine exhaust and re-injects it into the combustion chamber to significantly improve fuel efficiency, reduce NOx emissions, and lessen contrail forming emissions.

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Current funding for Phase 1 of SWITCH extends to 2025 and will include testing of a hybrid-electric GTF engine, WET technology and sub-system laboratory testing, and design activity around an integrated hybrid-electric and WET cycle propulsion system. Subject to successful testing of these key technologies and component designs, further phases of ground testing and flight tests are expected to follow.

Clean Aviation is a public-private partnership co-funded by the European Union between the European Commission, the aerospace industry, and research institutes, dedicated to advancing transformational aircraft technologies which will help enable net zero emissions for aviation by 2050. The project will be supported by UK Research and Innovation, and will leverage collaboration between multiple aerospace companies, universities and research organizations across 11 countries in Europe and the United States.

Aerospace

EASA Ends Suspension on PIA, Approves Flights to Europe

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The suspension of Pakistan International Airlines (PIA) from operating in Europe is finally over, marking a significant turning point for Pakistan’s aviation sector.

After years of scrutiny and stringent safety assessments, the European Commission and the European Aviation Safety Agency (EASA) have officially lifted the ban on PIA. This decision also grants Airblue authorization to operate flights to Europe, further enhancing Pakistan’s connectivity with the region.

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PIA’s suspension, initially imposed in June 2020, was a direct consequence of concerns regarding the oversight capabilities of Pakistan’s Civil Aviation Authority (PCAA). These concerns were triggered shortly after a tragic PIA plane crash that claimed 97 lives, prompting an investigation into the validity of pilot licenses issued in the country.

Now, after four years of continuous efforts and reforms by the PCAA, EASA has expressed renewed confidence in Pakistan’s aviation regulatory framework. In a statement, EASA highlighted that Pakistan has successfully addressed safety compliance issues, enabling PIA to resume its operations within the European Union.

A spokesperson for PIA expressed optimism, emphasizing the airline’s commitment to strictly adhere to EASA’s regulations and guidelines. “This milestone has been achieved after four years of relentless efforts by the PIA management,” the spokesperson said.

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The lifting of the ban is expected to have a profound impact on PIA’s future. The airline, which employs over 7,000 people, has faced criticism in the past for poor management, financial instability, and regulatory challenges.

However, the restoration of European operations is seen as a vital step toward regaining its competitive edge, improving its financial standing, and restoring its reputation on the global stage.

Pakistan’s government, which has been exploring options to privatize the debt-laden national carrier, is hopeful that this development will attract foreign investment and bolster the country’s aviation industry.

With a renewed focus on compliance and safety, PIA is now poised to rebuild its presence in Europe, offering Pakistani travelers and international passengers more connectivity and improved service.