Aviation Developers Worldwide: Constructors and Aviators (1900–1914) by Guenther Sollinger

“…Added to this group are the constructors of helicopters, ornithopters, gliders, and other flying apparatuses, resulting in a total of 14 142 individuals.…”
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Modèle d'accrétion de glace sur un objet bidimensionnel fixe appliquable aux pales d'éoliennes by Guy Fortin, Adrian Ilinca, Jean-Louis Laforte

“…The characteristics of the developed model are such that it can be applied to cases where speeds are slow or fast, or those involving object rotating with regard to the ground as blades of wind turbines or helicopters.…”
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Fault Diagnosis of Electromechanical Actuator Based on VMD Multifractal Detrended Fluctuation Analysis and PNN by Hongmei Liu, Jiayao Jing, Jian Ma

“…Electromechanical actuators (EMAs) are more and more widely used as actuation devices in flight control system of aircrafts and helicopters. The reliability of EMAs is vital because it will cause serious accidents if the malfunction of EMAs occurs, so it is significant to detect and diagnose the fault of EMAs timely. …”
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Autogiros: Review and Classification by Tsvetomir Gechev, Krasimir Nedelchev, Ivan Kralov

“…The flight principle and technical fundamentals of autogiros are also briefly discussed, and a comparison between autogiros, helicopters, and fixed-wing aircraft is performed. Autogiros’ applications for civil, military, and mixed purposes are pointed out and schematically presented. …”
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Distance Measurement and Error Compensation of High-Speed Coaxial Rotor Blades Based on Coded Ultrasonic Ranging by Yaohuan Lu, Shan Zhang, Wenchuan Hu, Zhen Qiu, Zurong Qiu, Yongqiang Qiu

“…Coaxial rotor helicopters have many advantages and have a wide range of civilian and military applications; however, there is a risk of blade collision between the upper and lower rotor blades, and the challenge still exists in balancing rotor parameters and flight control. …”
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Trauma Surgery and War: A Historical Perspective by Kun Hwang

“…The first use of medevac with helicopters was the evacuation of three British pilot combat casualties by the US Army in Burma during WWII. …”
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Autonomous Quadcopter Image Processing for Simulated Search and Rescue Flights by Budi Hartono, Muhammad Rizki Zuhri, Citra Asti Rosalia, Nofrijal Fauzan

“…In Search and Rescue (SAR) operations, a designated search area is explored with aircraft and helicopters. After target identification, the flying vehicle continues landing and rescue procedures. …”
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MSF-GhostNet: Computationally Efficient YOLO for Detecting Drones in Low-Light Conditions by Maham Misbah, Misha Urooj Khan, Zeeshan Kaleem, Ali Muqaibel, Muhamad Zeshan Alam, Ran Liu, Chau Yuen

“…We also proposed three feature map combinations to evaluate the performance of multiscale and multitarget flying objects, including drones, birds, planes, and helicopters. This approach significantly reduces the waste of computing resources when detecting small-sized flying objects. …”
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Unmanned Aerial Geophysical Remote Sensing: A Systematic Review by Farzaneh Dadrass Javan, Farhad Samadzadegan, Ahmad Toosi, Mark van der Meijde

“…Among the UAV platforms, rotary-wing multirotors were the most used (64%), followed by fixed-wing UAVs (27%). Unmanned helicopters and airships comprise the remaining 9%. …”
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Detection of Invasive Species (Siam Weed) Using Drone-Based Imaging and YOLO Deep Learning Model by Deepak Gautam, Zulfadli Mawardi, Louis Elliott, David Loewensteiner, Timothy Whiteside, Simon Brooks

“…The study demonstrates the feasibility of using YOLO models to detect invasive species in natural landscapes, providing a safe alternative to the current method involving human spotters in helicopters. Future research will focus on developing tools to merge duplicates, gather georeference data, and report detections from large image datasets more efficiently, providing valuable insights for practical applications in environmental management at the catchment scale.…”
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