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118 Results Found

  • Article
  • Open Access
1 Citations
1,123 Views
11 Pages

Retinal Vascularity in Military Pilots in Relation to the Type of Aircraft, Flight Altitude and Total Hours of Flight

  • Justyna Mędrzycka,
  • Grzegorz Rotuski,
  • Radosław Różycki and
  • Joanna Gołębiewska

14 April 2025

Background: The aim of the study was to assess retinal circulation in military pilots, as well as to determine the relationship between the type of aircraft, flight altitude, total hours of flight time and parameters of retinal circulation, using OCT...

  • Article
  • Open Access
8 Citations
3,074 Views
16 Pages

21 April 2022

Aviation incident is a crucial approach for accident prevention and safety improvement. It is of remarkable practical significance to clarify the relationship between aviation incidents and airline capacity. In the present study, time-series analysis...

  • Article
  • Open Access
39 Citations
7,754 Views
15 Pages

19 June 2014

Female moths are known to detect their own sex pheromone—a phenomenon called “autodetection”. Autodetection has various effects on female moth behavior, including altering natural circadian rhythm of calling behavior, inducing flight, and in some cas...

  • Article
  • Open Access
18 Citations
3,097 Views
14 Pages

Do Advanced Spatial Strategies Depend on the Number of Flight Hours? The Case of Military Pilots

  • Marco Giancola,
  • Paola Verde,
  • Luigi Cacciapuoti,
  • Gregorio Angelino,
  • Laura Piccardi,
  • Alessia Bocchi,
  • Massimiliano Palmiero and
  • Raffaella Nori

Background: Military pilots show advanced visuospatial skills. Previous studies demonstrate that they are better at mentally rotating a target, taking different perspectives, estimating distances and planning travel and have a topographic memory. Her...

  • Article
  • Open Access
6 Citations
4,349 Views
18 Pages

Long Range Air Traffic Flow Management with Flight-Specific Flight Performance

  • Judith Rosenow,
  • Ehsan Asadi,
  • Daniel Lubig,
  • Michael Schultz and
  • Hartmut Fricke

The increasing need for dynamic in-flight adjustments of a trajectory allows the airport, air traffic control and the airline a high degree of flexibility in terms of in-flight execution. This concept enables numerous optimisation options to jointly...

  • Article
  • Open Access
17 Citations
4,686 Views
18 Pages

SGDAN—A Spatio-Temporal Graph Dual-Attention Neural Network for Quantified Flight Delay Prediction

  • Ziyu Guo,
  • Guangxu Mei,
  • Shijun Liu,
  • Li Pan,
  • Lei Bian,
  • Hongwu Tang and
  • Diansheng Wang

11 November 2020

There has been a lot of research on flight delays. But it is more useful and difficult to estimate the departure delay time especially three hours before the scheduled time of departure, from which passengers can reasonably plan their travel time and...

  • Feature Paper
  • Article
  • Open Access
1,783 Views
16 Pages

Estimating the Volatility of Flights and Risk of Saturation of Airspaces in the European Core Area: A Methodological Proposal

  • Ibon Galarraga,
  • Luis María Abadie,
  • Thomas Standfuss,
  • Itziar Ruiz de Gauna and
  • Nestor Goicoechea

22 November 2023

Despite having some fluctuations and the impact of the COVID-19 crisis, the demand for flights had a general growing trend for the past years. As the airspace is limited, efforts to better manage the total number of flights are noteworthy. In additio...

  • Article
  • Open Access
532 Views
24 Pages

Dynamic Separation Standards for Multi-Category UAV Operations

  • Yulong Cao,
  • Guhao Zhao,
  • Yarong Wu,
  • Hao Wang,
  • Jiamu Sun and
  • Libiao Zhang

30 November 2025

By 2030, projected UAV operations may exceed one million concurrent flights in urban airspace, yet traditional fixed-distance separation methods fail to accommodate heterogeneous platforms. This paper introduces a three-tier hierarchical dynamic sepa...

  • Article
  • Open Access
8 Citations
4,387 Views
23 Pages

On Probabilistic Risk of Aircraft Collision along Air Corridors

  • Luís M. B. C. Campos and
  • Joaquim M. G. Marques

27 January 2021

The separation of aircraft in cruising flight in air corridors is based on the assurance of an extremely low probability of collision due to position inaccuracy caused by navigation errors, atmospheric disturbances, or other factors. The appropriate...

  • Article
  • Open Access
6 Citations
2,528 Views
14 Pages

Hearing Function and Nutritional Status in Aviation Pilots from Spain Exposed to High Acoustic Damage

  • Carmen Morais-Moreno,
  • Ana M. Montero-Bravo,
  • Ana M. Puga,
  • Mª de Lourdes Samaniego-Vaesken,
  • Mar Ruperto,
  • Rocío Marco Mendez,
  • Álvaro Vicente-Arche,
  • Gregorio Varela-Moreiras and
  • Teresa Partearroyo

15 October 2022

Noise-induced hearing loss is the most frequent and preventable occupational disease. Aviation pilots are a vulnerable population, as they spend many hours exposed to noise pollution in their working environment. Different studies suggest that certai...

  • Article
  • Open Access
3 Citations
3,595 Views
11 Pages

Over-capacity flight scheduling by commercial airlines due to the surging demand in recent years creates congestion and significant delays at major airports. This attitude towards maximizing throughput calls for tactical flight rescheduling to comply...

  • Article
  • Open Access
10 Citations
3,647 Views
14 Pages

Assessment from a Biopsychosocial Approach of Flight-Related Neck Pain in Fighter Pilots of Spanish Air Force. An Observational Study

  • Luis Espejo-Antúnez,
  • Carlos Fernández-Morales,
  • Juan Manuel Moreno-Vázquez,
  • Fernando Blas Tabla-Hinojosa,
  • María de los Ángeles Cardero-Durán and
  • Manuel Albornoz-Cabello

Flying on fighter aircraft is the only human activity that exposes the body to acceleration levels for long periods of time. In this sense, the regular exposure to G forces has been related to a high incidence of flight-related neck pain. The aim is...

  • Article
  • Open Access
6 Citations
3,109 Views
16 Pages

10 May 2024

As the global aviation sector expands to accommodate increasing air travel demand, the subsequent rise in flights exacerbates carbon dioxide (CO2) emissions, challenging the sector’s environmental sustainability. Targeting net-zero emissions by...

  • Article
  • Open Access
30 Citations
8,363 Views
19 Pages

28 January 2021

The implementation of Trajectory-Based Operations, invented by the Single European Sky Air Traffic Management Research program SESAR, enables airlines to fly along optimized waypoint-less trajectories and accordingly to significantly increase the sus...

  • Article
  • Open Access
5 Citations
3,530 Views
12 Pages

Population and Conservation Status of Bighorn Sheep in the State of Baja California, Mexico

  • Guillermo Romero-Figueroa,
  • Enrique de Jesús Ruiz-Mondragón,
  • Eahsan Shahriary,
  • Carlos Yee-Romero,
  • Aldo Antonio Guevara-Carrizales,
  • Rafael Paredes-Montesinos,
  • Jesús Miguel Corrales-Sauceda,
  • Israel Guerrero-Cárdenas and
  • Raul Valdez

3 February 2024

The bighorn sheep in Mexico is classified as at-risk by the Mexican federal government. In the state of Baja California, wild sheep can be observed throughout the length of the state from the USA–Mexico border south to the Agua de Soda mountain...

  • Article
  • Open Access
24 Citations
6,439 Views
14 Pages

Distribution Prediction of Strategic Flight Delays via Machine Learning Methods

  • Ziming Wang,
  • Chaohao Liao,
  • Xu Hang,
  • Lishuai Li,
  • Daniel Delahaye and
  • Mark Hansen

16 November 2022

Predicting flight delays has been a major research topic in the past few decades. Various machine learning algorithms have been used to predict flight delays in short-range horizons (e.g., a few hours or days prior to operation). Airlines have to dev...

  • Article
  • Open Access
11 Citations
6,195 Views
25 Pages

Research on Trajectory Prediction of a High-Altitude Zero-Pressure Balloon System to Assist Rapid Recovery

  • Jiwei Tang,
  • Shumin Pu,
  • Peixi Yu,
  • Weicheng Xie,
  • Yunfei Li and
  • Binxing Hu

19 October 2022

A comprehensive simulation model is established to predict the trajectory of a high-altitude zero-pressure balloon flight system with no parachute that is required to carry the load floating at the designated altitude for several hours or less. A ser...

  • Article
  • Open Access
1,552 Views
18 Pages

Diel Variation in Summer Stream Temperature in an Idaho Desert Stream and Implications for Identifying Thermal Refuges

  • Mel Campbell,
  • Donna Delparte,
  • Matthew Belt,
  • Zhongqi Chen,
  • Christopher C. Caudill and
  • Trevor Caughlin

22 February 2025

Thermal refuges in streams are essential for the survival of coldwater fish species such as Redband trout (Oncorhynchus mykiss) in landscapes with stressful or lethal stream temperatures. We utilized an uncrewed aerial system (UAS) mounted with therm...

  • Article
  • Open Access
4 Citations
2,511 Views
26 Pages

A Mission-Oriented Flight Path and Charging Mechanism for Internet of Drones

  • Chenn-Jung Huang,
  • Kai-Wen Hu,
  • Hao-Wen Cheng and
  • Yi-Sin Sie Lin

25 April 2023

In addition to traditional battery exchange services and stationary charging stations, researchers have proposed wireless charging technology, such as decentralized laser charging or drone-to-drone charging in flight, to provide power to drones with...

  • Article
  • Open Access
1,050 Views
42 Pages

23 June 2025

An electromechanical actuator system was used on a general aviation aircraft to automatically execute programmed test inputs for system identification and parameter estimation. The flight test campaign consisted of approximately 10 flight hours with...

  • Article
  • Open Access
3 Citations
2,710 Views
42 Pages

Correlations among Fatigue Indicators, Subjective Perception of Fatigue, and Workload Settings in Flight Operations

  • Dajana Bartulović,
  • Sanja Steiner,
  • Dario Fakleš and
  • Martina Mavrin Jeličić

29 September 2023

Conducting flight operations at the pace of air traffic relies on shift work, overtime work, work at night, work in different and numerous time zones, and unbalanced flight crew schedules. Such working hours and workload settings can cause disturbanc...

  • Article
  • Open Access
25 Citations
5,661 Views
18 Pages

1 October 2020

Today, each flight is filed as a static route not later than one hour before departure. From there on, changes of the lateral route initiated by the pilot are only possible with air traffic control clearance and in the minority. Thus, the initially o...

  • Article
  • Open Access
2 Citations
3,282 Views
12 Pages

5 August 2024

Background. Civil aviation comprises airlines/charters and general aviation (GA). Currently, airlines are experiencing a pilot shortage, partly reflecting scheduled retirements mandatory for airline (but not GA) pilots aged 65 years, fueling a debate...

  • Article
  • Open Access
3 Citations
2,927 Views
9 Pages

Estimation of Redox Status in Military Pilots during Hypoxic Flight-Simulation Conditions—A Pilot Study

  • Konstantina Petraki,
  • Maria G. Grammatikopoulou,
  • Fotios Tekos,
  • Zoi Skaperda,
  • Marina Orfanou,
  • Robin Mesnage,
  • Tonia Vassilakou and
  • Demetrios Kouretas

At high altitude conditions, the low-pressure atmospheric oxygen reduces the generation of energy, thus inducing a decrease in oxygen availability. As a result, endurance flights evoke imbalance in redox signaling, posing a safety risk for the pilots...

  • Article
  • Open Access
6 Citations
4,311 Views
22 Pages

Battery pack specific energy, which can be enhanced by minimising the mass of the battery thermal management system (BTMS), is a limit on electric fixed-wing flight applications. In this paper, the use of phase-change materials (PCMs) for BTMSs is nu...

  • Article
  • Open Access
11 Citations
5,013 Views
28 Pages

17 July 2023

The purpose of this research is to examine and assess the relation between a pilot’s concentration and reaction time with specific brain activity during short-haul flights. Participants took part in one-hour long flight sessions performed on th...

  • Article
  • Open Access
9 Citations
5,016 Views
25 Pages

Energy-Efficient Swarming Flight Formation Transitions Using the Improved Fair Hungarian Algorithm

  • SungTae Moon,
  • Donghun Lee,
  • Dongoo Lee,
  • Doyoon Kim and
  • Hyochoong Bang

10 February 2021

Recently, drone shows have impressed many people through a convergence of technology and art. However, these demonstrations have limited operating hours based on the battery life. Thus, it is important to minimize the unnecessary transition time betw...

  • Article
  • Open Access
187 Views
27 Pages

Investigating XR Pilot Training Through Gaze Behavior Analysis Using Sensor Technology

  • Aleksandar Knežević,
  • Branimir Krstić,
  • Aleksandar Bukvić,
  • Dalibor Petrović and
  • Boško Rašuo

16 January 2026

This research aims to characterize extended reality flight trainers and to provide a detailed account of the sensors employed to collect data essential for qualitative task performance analysis, with a particular focus on gaze behavior within the ext...

  • Article
  • Open Access
4 Citations
2,014 Views
28 Pages

Gaze behaviour has been used as a proxy for information processing capabilities that underlie complex skill performance in real-world domains such as aviation. These processes are highly influenced by task requirements, expertise and can provide insi...

  • Article
  • Open Access
11 Citations
7,826 Views
12 Pages

Failure Rates for Aging Aircraft

  • Leonard MacLean,
  • Alex Richman and
  • Mark Hudak

22 February 2018

In any consideration of the operating condition, the age of a particular aircraft is a major factor. Much attention is focused on planes which are aged, that is, aircraft with chronological age or accumulated hours of use beyond a threshold. Being ag...

  • Article
  • Open Access
1 Citations
1,400 Views
21 Pages

Evaluation of Air Traffic Network Resilience: A UK Case Study

  • Tianyu Zhao,
  • Jose Escribano-Macias,
  • Mingwei Zhang,
  • Shenghao Fu,
  • Yuxiang Feng,
  • Mireille Elhajj,
  • Arnab Majumdar,
  • Panagiotis Angeloudis and
  • Washington Ochieng

8 November 2024

With growing air travel demand, weather disruptions cost millions in flight delays and cancellations. Current resilience analysis research has been focused on airports and airlines, rather than the en-route waypoints, and has failed to consider the i...

  • Article
  • Open Access
1 Citations
949 Views
19 Pages

18 September 2025

This article examines the impact of an undetected Instrument Landing System (ILS) failure on crew situational awareness. A literature review of similar aviation accidents is presented, highlighting the recurring challenge of misleading instrument ind...

  • Article
  • Open Access
19 Citations
133,476 Views
19 Pages

Estimating Flight Characteristics of Anomalous Unidentified Aerial Vehicles

  • Kevin H. Knuth,
  • Robert M. Powell and
  • Peter A. Reali

25 September 2019

Several Unidentified Aerial Phenomena (UAP) encountered by military, commercial, and civilian aircraft have been reported to be structured craft that exhibit ‘impossible’ flight characteristics. We consider a handful of well-documented en...

  • Article
  • Open Access
39 Citations
13,050 Views
20 Pages

3 February 2009

In this study, the performances and accuracies of three methods for converting airborne hyperspectral spectrometer data to reflectance factors were characterized and compared. The “reflectance mode (RM)” method, which calibrates a spectrometer agains...

  • Article
  • Open Access
3 Citations
4,625 Views
18 Pages

CGull: A Non-Flapping Bioinspired Composite Morphing Drone

  • Peter L. Bishay,
  • Alex Rini,
  • Moises Brambila,
  • Peter Niednagel,
  • Jordan Eghdamzamiri,
  • Hariet Yousefi,
  • Joshua Herrera,
  • Youssef Saad,
  • Eric Bertuch and
  • Ivan Rodriguez
  • + 1 author

Despite the tremendous advances in aircraft design that led to successful powered flights of aircraft as heavy as the Antonov An-225 Mriya, which weighs 640 tons, or as fast as the NASA-X-43A, which reached a record of Mach 9.6, many characteristics...

  • Article
  • Open Access
12 Citations
2,791 Views
15 Pages

Arithmetic Optimization AOMDV Routing Protocol for FANETs

  • Huamin Wang,
  • Yongfu Li,
  • Yubing Zhang,
  • Tiancong Huang and
  • Yang Jiang

31 August 2023

Flying ad hoc networks (FANETs), composed of small unmanned aerial vehicles (UAVs), possess characteristics of flexibility, cost-effectiveness, and rapid deployment, rendering them highly attractive for a wide range of civilian and military applicati...

  • Article
  • Open Access
15 Citations
8,010 Views
22 Pages

18 September 2023

Meteorological conditions significantly affect air traffic safety and can also affect a pre-planned flight plan. Difficult meteorological conditions are particularly hazardous during take-off and landing procedures. Still, they can also cause disrupt...

  • Article
  • Open Access
7 Citations
3,236 Views
16 Pages

Are Drones Safer Than Vans?: A Comparison of Routing Risk in Logistics

  • Andy Oakey,
  • Aliaksei Pilko,
  • Tom Cherrett and
  • James Scanlan

15 November 2022

Drones are being considered as an alternative transport mode to ground based van networks. Whilst the speed and application of such networks has been extensively studied, the safety aspects of such modes have not been directly compared. Using UK Depa...

  • Communication
  • Open Access
8 Citations
4,225 Views
13 Pages

Anthropogenic Illumination as Guiding Light for Nocturnal Bird Migrants Identified by Remote Sensing

  • Nadja Weisshaupt,
  • Matti Leskinen,
  • Dmitri N. Moisseev and
  • Jarmo Koistinen

28 March 2022

Migrant birds rely on environmental and celestial cues for navigation and orientation during their journeys. Adverse weather, such as heavy rain or fog, but also thick layers of low-level clouds, affect visibility and can challenge birds’ abili...

  • Proceeding Paper
  • Open Access
4 Citations
3,027 Views
10 Pages

Using Open Source Data for Landing Time Prediction with Machine Learning Methods

  • Gong Chen,
  • Judith Rosenow,
  • Michael Schultz and
  • Ostap Okhrin

Increasing demands on a highly efficient air traffic management system go hand in hand with increasing requirements for predicting the aircraft’s future position. In this context, the airport collaborative decision-making framework provides a s...

  • Article
  • Open Access
8 Citations
4,775 Views
27 Pages

4 November 2021

This paper introduces a genetic algorithm (GA) and a beam tracing algorithm incorporated within a dual parallel computing framework to optimize urban aerial laser scanning (ALS) missions to maximize vertical façade data capture, as needed for many th...

  • Article
  • Open Access
213 Views
34 Pages

A Machine Learning Framework for Predicting and Resolving Complex Tactical Air Traffic Events Using Historical Data

  • Anthony De Bortoli,
  • Cynthia Koopman,
  • Leander Grech,
  • Remi Zaidan,
  • Didier Berling and
  • Jason Gauci

One of the key functions of Air Traffic Management (ATM) is to balance airspace capacity and demand. Despite measures that are taken during the strategic and pre-tactical phases of flight, demand–capacity imbalances still occur in flight, often...

  • Article
  • Open Access
4 Citations
4,744 Views
11 Pages

23 December 2021

Urban beekeeping has gained salience because of its significance in biodiversity conservation and community building. Despite this, beekeeping practices in urban areas have received negative perceptions from residents, which stem from public safety c...

  • Article
  • Open Access
11 Citations
5,629 Views
22 Pages

Aerial Imagery Based on Commercial Flights as Remote Sensing Platform

  • Toni Mastelic,
  • Josip Lorincz,
  • Ivan Ivandic and
  • Matea Boban

17 March 2020

Remote sensing is commonly performed via airborne platforms such as satellites, specialized aircraft, and unmanned aerial systems (UASs), which perform airborne photography using mounted cameras. However, they are limited by their coverage (UASs), ir...

  • Article
  • Open Access
32 Citations
9,481 Views
10 Pages

31 May 2019

The advancement of drones has revolutionized the production of aerial imagery. Using a drone with its associated flight control and image processing applications, a high resolution orthorectified mosaic from multiple individual aerial images can be p...

  • Article
  • Open Access
12 Citations
4,627 Views
15 Pages

17 September 2018

In order to reduce the taxiing time of departing aircraft and reduce the fuel consumption and exhaust emissions of the aircraft, Shanghai Hongqiao Airport was taken as an example to study the control strategy for aircraft departure. In this paper, th...

  • Article
  • Open Access
12 Citations
4,730 Views
11 Pages

6 August 2019

Atmospheric sources of herbicides enable short- and long-range transport of these compounds to off-target areas but the concentrations and mechanisms are poorly understood due, in part, to the challenge of detecting these compounds in the atmosphere....

  • Article
  • Open Access
3 Citations
3,566 Views
20 Pages

Validation of Glacier Topographic Acquisitions from an Airborne Single-Pass Interferometer

  • Delwyn Moller,
  • Scott Hensley,
  • Jeremie Mouginot,
  • Joshua Willis,
  • Xiaoqing Wu,
  • Christopher Larsen,
  • Eric Rignot,
  • Ronald Muellerschoen and
  • Ala Khazendar

26 August 2019

The airborne glacier and ice surface topography interferometer (GLISTIN-A) is a single-pass radar interferometer developed for accurate high-resolution swath mapping of dynamic ice surfaces. We present the first validation results of the operational...

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