A recent report by the International Council on Clean Transportation (ICCT) has emphasized the urgency for the aviation industry to transition to net-zero air travel, with a call for aircraft manufacturers to produce only net-zero emission planes by 2035. The report sheds light on the challenges the industry faces in achieving net-zero carbon emissions by 2050, particularly due to the significant carbon emissions from burning jet fuel. While sustainable aviation fuel (SAF) has been a focus for emissions reduction, hydrogen fuel is emerging as a crucial zero-emission alternative. Companies like Cranfield Aerospace Solutions and ZeroAvia are at the forefront of developing hydrogen-powered aircraft, with plans for commercial launches in the coming years. The focus on hydrogen in aviation stems from its potential as a sustainable fuel option. Cranfield Aerospace aims to certify its hydrogen fuel cell system by 2026, with plans to introduce passenger services by 2027. Similarly, ZeroAvia is targeting the launch of 10-20 passenger planes by 2025 and larger aircraft by 2029. The development of smaller hydrogen-powered aircraft is expected to pave the way for the adoption of larger hydrogen aircraft, aiding in the establishment of necessary regulations and infrastructure. The industry's shift towards hydrogen is seen as essential for sustainable air travel. Companies like Airbus are also investing in hydrogen-ready airports to support the use of hydrogen as an aviation fuel. The collective efforts of manufacturers, supported by regulatory frameworks and infrastructure developments, aim to accelerate the adoption of hydrogen technology in the aviation sector, contributing to the industry's net-zero goals.