Transport of COVID-19 and other highly contagious patients by helicopter and fixed-wing air ambulance: a narrative review and experience of the Swiss air rescue Rega by Roland Albrecht, Jürgen Knapp, Lorenz Theiler, Marcus Eder, Urs Pietsch

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Challenges and trends of changing from hover to forward flight for a converted hybrid fixed wing VTOL UAS from automatic flight control system perspective by Zaludin, Zairil Azhar, Mohd Harithuddin, Ahmad Salahuddin

“…Capabilities of fixed-wing UAS to perform missions have been well studied and documented today. …”
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Small Fixed-Wing UAV Radar Cross-Section Signature Investigation and Detection and Classification of Distance Estimation Using Realistic Parameters of a Commercial Anti-Drone System by Ioannis K. Kapoulas, Antonios Hatziefremidis, A. K. Baldoukas, Evangelos S. Valamontes, J. C. Statharas

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Computational Study of the Propeller Position Effects in Wing-Mounted, Distributed Electric Propulsion with Boundary Layer Ingestion in a 25 kg Remotely Piloted Aircraft by José Ramón Serrano, Andrés Omar Tiseira, Luis Miguel García-Cuevas, Pau Varela

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Long-Distance GNSS-Denied Visual Inertial Navigation for Autonomous Fixed-Wing Unmanned Air Vehicles: SO(3) Manifold Filter Based on Virtual Vision Sensor by Eduardo Gallo, Antonio Barrientos

“…This article proposes a visual inertial navigation algorithm intended to diminish the horizontal position drift experienced by autonomous fixed-wing UAVs (unmanned air vehicles) in the absence of GNSS (Global Navigation Satellite System) signals. …”
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3D Reconstruction of Coastal Cliffs from Fixed-Wing and Multi-Rotor UAS: Impact of SfM-MVS Processing Parameters, Image Redundancy and Acquisition Geometry by Gil Gonçalves, Diogo Gonçalves, Álvaro Gómez-Gutiérrez, Umberto Andriolo, Juan Antonio Pérez-Alvárez

“…Using two different UAS, a fixed-wing and a multi-rotor, two flight missions were executed with the aim of reconstructing the geometry of an almost vertical cliff located at the central Portuguese coast. …”
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Configuration Design and Aerodynamic Analysis of Long-endurance Hydrogen Energy Hybrid Powered Unmanned Aerial Vehicle by Han WANG, Yongqiang SHEN, Jixin XIANG, Zhiqiang LI, Guanghui WU

Subjects: “…hydrogen powered fixed wing uav…”
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A Comprehensive Design and Experiment of a Biplane Quadrotor Tail-Sitter UAV by Zheng Qiao, Dong Wang, Jiahui Xu, Xinbiao Pei, Wei Su, Dong Wang, Yue Bai

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Design and Verification of Short-Distance Landing Control System for a One-Third-Scale Unmanned Supersonic Experimental Airplane by Satoshi Hyokawa, Masazumi Ueba

Subjects: “…fixed-wing UAV…”
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Towards the Development of a Low Cost Airborne Sensing System to Monitor Dust Particles after Blasting at Open-Pit Mine Sites by Miguel Alvarado, Felipe Gonzalez, Andrew Fletcher, Ashray Doshi

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Position Periodic Control of Two Rotating Airplanes by José Antonio Bautista-Medina, Rogelio Lozano, Antonio Osorio-Cordero

Subjects: “…fixed-wing airplane…”
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The development of Serbian aviation and aviation signal stations and their significance on the Salonica front by Stanković Vitomir A.

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A Review of UAV Platforms for Autonomous Applications: Comprehensive Analysis and Future Directions by Muhammad Amir Tahir, Imran Mir, Tauqeer Ul Islam

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Enhanced Range and Endurance Evaluation of a Camber Morphing Wing Aircraft by Bruce W. Jo, Tuba Majid

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Aeromedical retrieval services characteristics globally: a scoping review by Kuda Muyambi, Fergus Gardiner, Stephen Sollid, Per Kristian Hyldmo, Engida Yisma, Breeanna Spring, Per Bredmose, Martin Jones, Sandra Walsh, Zoe Schofield, Marianne Gillam

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Estimating and Examining the Sensitivity of Different Vegetation Indices to Fractions of Vegetation Cover at Different Scaling Grids for Early Stage <i>Acacia</i> Plantation Forests Using a Fixed-Wing UAS by Kotaro Iizuka, Tsuyoshi Kato, Sisva Silsigia, Alifia Yuni Soufiningrum, Osamu Kozan

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Study on Position and Shape Effect of the Wings on Motion of Underwater Gliders by Jiafeng Huang, Hyeung-Sik Choi, Mai The Vu, Dong-Wook Jung, Ki-Beom Choo, Hyun-Joon Cho, Phan Huy Nam Anh, Ruochen Zhang, Jung-Hyeun Park, Joon-Young Kim, Huy Ngoc Tran

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Trajectory-Following Control of an Unmanned Aerial–Aquatic Vehicle under Complex Coupling Interferences by Jian Cao, Jiayuan Mao, Yueming Li, Le Wang, Biao Cao

Subjects: “…fixed-wing UAAV…”
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Coverage Path Planning of UAV Based on Linear Programming—Fuzzy C-Means with Pigeon-Inspired Optimization by Yan Jiang, Tingting Bai, Daobo Wang, Yin Wang

Subjects: “…fixed-wing UAV…”
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Real-Time Monitoring of Parameters and Diagnostics of the Technical Condition of Small Unmanned Aerial Vehicle’s (UAV) Units Based on Deep BiGRU-CNN Models by Kamil Masalimov, Tagir Muslimov, Rustem Munasypov

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