Core Insights - The 7th China Tianjin International Helicopter Expo showcases advancements in China's helicopter and drone technology, highlighting the development of the entire industry chain in general aviation and low-altitude economy [1][9] Group 1: Helicopter Developments - The AC series civil helicopters, recognized as "air rescue tools," play a significant role in economic development and emergency rescue operations [3][5] - The AC311A and AC312E models are exhibited in their actual forms, emphasizing their capabilities in public service sectors [3][5] - By 2029, the scale of China's civil helicopter fleet is expected to exceed 1,700 units, with flight hours surpassing 300,000 [7][9] Group 2: Low-altitude Economy - A new 5,000 square meter low-altitude economy pavilion was added to the expo, featuring innovative aircraft designs that showcase the potential of the low-altitude economy [9][11] - A new generation of medium vertical take-off and landing fixed-wing drones, capable of participating in Arctic scientific research, was highlighted, featuring a hybrid power design and a maximum payload of 40 kilograms [11] - The drone has a maximum endurance of 10 hours and a cruising speed of up to 120 kilometers per hour [11] Group 3: Technological Innovations - Several concept aircraft currently under development were showcased, integrating advanced technologies such as intelligent flight control and new energy power systems [13][15] - These innovations reflect the latest explorations in industry technological advancements [15]