In a remarkable milestone for sustainable aviation, Denmark witnessed its first test flight of an electric plane, ALIA CTOL, by Beta Technologies. The 200-kilometre journey between Sønderborg and Copenhagen airports marked a significant step towards green aviation. The fixed-wing electric aeroplane boasts impressive features, emitting up to 84% less carbon dioxide than traditional helicopters, while offering a safe, quiet, and cost-effective travel option. With plans for regional flights accommodating passengers and cargo, ALIA CTOL showcases the potential for electric planes in the aviation industry. Denmark's commitment to sustainability in aviation is evident through its targets of launching fully sustainable domestic flights by 2025 and achieving fossil-free domestic routes by 2030. The government has introduced a passenger fee to finance the transition towards sustainable flight, aligning with the broader climate goals set by Nordic countries. Norway and Sweden have set ambitious targets for electric and hybrid flights, emphasizing a shift towards cleaner aviation. The electric aviation landscape in Europe is evolving, with countries like the Netherlands, France, and the United Kingdom also testing electric planes. However, the current limitations in battery range confine electric planes to regional flights within Europe. To meet sustainability targets, various technologies like Sustainable Aviation Fuel (SAF) and hydrogen fuel are being explored alongside electric planes. Experts suggest a multi-faceted approach, utilizing different technologies to reduce flight emissions and promote sustainable aviation practices. The future of aviation seems promising, with advancements in electric planes paving the way for a greener and more sustainable industry.