Previous experiments in this laboratory have demonstrated illusions due to variations in both length and width of runways in nighttime "black hole" approaches. Even though approach lighting is not designed to provide vertical guidance, it is possible that cues from approach lights could interact with cues from runway lighting to reduce illusions due to variation in runway size. Two experiments ...

• Runway incursions and conflicts present a persistent problem in airport ground operations. Numerous critical conflicts and several fatal accidents have occurred as a result of unauthorized or otherwise inappropriate entry of aircraft or surface vehicles onto an active runway. This article describes a detailed survey of runway-conflict accidents and high-hazard incidents res,ulting from inappr...

Antarctica is coming under an increasing global focus. Not only is evidence growing of its potential worldwide impact on climate change, but it is also showing evidence of some of the fastest climate changes itself. And its ecosystems, which comprise some remarkable species, are turning out to be increasingly complex and fragile. It is perhaps no surprise that researchers and, more controversia...

A vertical take-off and landing plane (VTOL plane) is a fixed-wing unmanned aerial vehicle (FWUAV) configuration with the ability to take off land vertically. It combines benefits of multirotor configurations, which gives it high cruising range independence from runway. This requires arms as mountings for VTOL’s motors. study discusses design VTOL Plane various arm computational fluid dynamics ...

Flight safety plays a critical role in both the national economy and military defense. According to National Transportation Safety Board (NTSB), highest number of aircraft accidents between 2013 2018 occurred during takeoff (24%) landing (40%). To model obstruction zone based on building density its impact flight safety, this study utilizes remote sensing data from Sentinel 2A 2022. The is anal...

Existing methods of runway detection are more focused on image processing for remote sensing images based on computer vision techniques. However, these algorithms are too complicated and time-consuming to meet the demand for real-time airborne application. This paper proposes a novel runway detection method based on airborne multi-sensors data fusion which works in a coarse-to-fine hierarchical...

background: single leg drop landing is one of the common sport activities that have greater likelihood of leading to traumatic oflower extremity. however, there is limited understanding of biomechanics of this maneuver. hence, this study aimed to compare the activities of lower limb muscles during pre- and post phases of single leg drop landing. methods: this semi-experimental research of 13 ph...

This article describes a rapid detection method of the airport runway for remote sensing images. The specific algorithm implementation steps are: Firstly, we use the Otsu's method to separate the runway from the images. Then we use the fractional differential gradient operator, which has good anti-noise performance and effective edge extraction ability, to extract the edge information of image,...

According to the Federal Aviation Administration (FAA), the number of runway incursions are rising. The configuration of runways and taxiways at airports has been identified by the FAA as possibly being related to the number of incursions. In this paper, the relationship between airport geometry factors and the number of runway incursions at specific United States airports is explored using sta...

This work presents the study of improving air navigation at chlef aerodrome by Implementing a new Instrument Landing System (ILS). At present, radio systems Chlef can handle traffic load adequately(air controllers are able to manage airspace for which they responsible). Nevertheless, in very near future will become so important that it require implementation an ILS beacon. To this reason, we cu...