Effects of the Controller-to-Pilot Data Link (Datalink) on Crew Communication

Author(s):  
Craig M. Harvey ◽  
Mike Reynolds ◽  
Andrea L. Pacley ◽  
Richard J. Koubek ◽  
Albert J. Rehmann

This paper discusses a Federal Aviation Administration (FAA) manned simulation study that investigated the effects of Controller-to-Pilot Data Link (datalink) on crew communications. Professional pilots participated in high fidelity simulation tests where crews received Air Traffic Controller (ATC) messages through the datalink. The results were compared to a similar study conducted where crews only communicated by radio to controllers. Results demonstrate that the nature of crew communications within the flight deck do change because of datalink. Unlike in the past where crews became aware of ATC communications at the same time through their headsets, new communication types are now needed due to the shift from ATC radio communications to ATC datalink messages. Thus flight crews must keep each other aware of information passed through the datalink. The frequency of communication was found to be significantly different depending on the location of the datalink on the flight deck. In addition, datalink crews experienced significantly less ATC radio transmissions as expected; however, the within crew communication related to datalink increased. When within crew datalink communication and the ATC radio communication are combined, one finds that ATC related communication is significantly higher in datalink crews as compared to traditional radio crews. This study illustrates the need to fully evaluate the impact new technology has on flight crews and their communication process.

Author(s):  
Arash Aziminejad ◽  
Andrew W. Lee ◽  
Gabriel Epelbaum

The overall performance of a Communication-Based Train Control (CBTC) system largely depends on the performance of its Data Communication Subsystem (DCS). The DCS network in almost all CBTC commercial system products marketed in the last decade utilizes radio communications in the open ISM bands (2.4 GHz or 5.8 GHz) to establish the bi-directional data link between the central/wayside and onboard segments. To ensure a stable and sound radio communication, a key question is the number of the wayside Access Points (APs) and locations of their antennas. Radio propagation modeling aims to provide an optimal and reasonably reliable solution to the cited question. The diffraction impact of sharp corners and edges in tunnels on the radio propagation process, however, has not been accounted for in majority of models. The purpose of the present research is to incorporate the effect of diffraction coupling due to sharp edges in tunnel sections which include geometrical discontinuities such as cross-junctions and L-bends through ray-mode conversion. The proposed modeling approach offers sufficient versatility to assimilate a variety of discontinuous geometries involving sharp edges in a tunnel environment. Numerical and empirical results suggest that the model provides an accurate tool for analyzing diffraction effects of tunnel discontinuities with sharp edges on the process of radio propagation.


Author(s):  
David Bagchi

Luther had a notoriously ambivalent attitude towards what was still the new technology of the printing press. He could both praise it as God’s highest act of grace for the proclamation of God’s Word, and condemn it for its unprecedented ability to mangle the same beyond recognition. That ambivalence seems to be reflected in the judgment of modern scholarship. Some have characterized the Reformation as a paradigmatic event in the history of mass communications (a Medien- or Kommunikationsereignis), while others have poured scorn on any reductionist attempt to attribute a complex movement to a technological advance and to posit in effect a doctrine of “Justification by Print Alone.” The evidence in favor of some sort of correlation between the use of printing and the success of the Reformation in Germany and Switzerland is certainly formidable. Thousands of German Reformation pamphlets (Flugschriften) survive to this day in research libraries and other collections (with Luther’s own works predominant among them), suggesting that the Holy Roman Empire was once awash with millions of affordable little tracts in the vernacular. Contemporary opponents of the Reformation lamented the potency of cheap print for propaganda and even for agitation among “the people,” and did their best either to beat the evangelical writers through legislation or else to join them by launching their own literary campaigns. But, ubiquitous as the Reformation Flugschrift was for a comparatively short time, the long-term impact of printing on Luther’s Reformation was even more impressive, above all in the production and dissemination of Bibles and partial Bibles that used Luther’s German translation. The message of the Lutheran Reformation, with its emphasis on the proclamation of God’s Word to all, seemed to coincide perfectly with the emergence of a new medium that could, for the first time, transmit that Word to all. Against this correlation must be set the very low literacy rate in the Holy Roman Empire in the early 16th century, which on some estimates ranged between only 5 and 10 percent. of the entire population. Even taking into account the fact that historical literacy rates are notoriously difficult to estimate, the impact of printing on the majority must have been negligible. This fact has led historians to develop more nuanced ways of understanding the early-modern communication process than simply imagining a reader sitting in front of a text. One is to recognize the “hybridity” of many publications—a pamphlet might contain labeled illustrations, or be capable of being read out aloud as a sermon, or of being sung. Luther himself published many successful hybrid works of this kind. Another is the notion of the “two-stage communication process,” by which propagandists or advertisers direct their message principally to influential, literate, opinion-formers who cascade the new ideas down. Clearly much work remains to be done in understanding how Luther’s propaganda and public opinion interacted. The fact that our present generations are living through a series of equally transformative and disruptive communications revolutions will no doubt inspire new questions as well as new insights.


2021 ◽  
Vol 258 ◽  
pp. 02029
Author(s):  
Tetiana Tarnavska ◽  
Lilia Baranovska ◽  
Natalia Glushanytsia ◽  
Serhii Yahodzinskyi

Awareness of the radio exchange problems and the robust skills of recognizing and eliminating errors in radio communication will help to free up time and attention for the pilot and air traffic controller (ATC) to efficiently carry out their main professional functions in any circumstances. It is vitally important for pilots and ATCs in stressful situations not to focus their attention on the foreign language interaction that is the activity that only accompanies their main job performance. Analysis of aircraft accident investigation reports shows that language-related accidents mostly have psychological nature. The authors suggest a range of mental and psychophysiological qualities that determine professional competence and reliability of pilots and ATC. They also identify the sources of neuropsychic stress in critical situation and the ways to overcome it. The research results enable to design a language training model based on the analysis of the last-minute records and aircraft accident and incident reports to be able to identify typical problems of radio exchange, fatal language errors which led or could lead to a disaster. The research is aimed at improving aircraft operation and eventually increasing flight safety.


2012 ◽  
Vol 616-618 ◽  
pp. 2162-2165
Author(s):  
Zheng Xiang ◽  
Wei Jun Pan ◽  
Yu Tang

The application of Controller Pilot Data Link Communication (CPDLC) in the training for air traffic controller is investigated. CPDLC is a data link application that allows for the direct exchange of text-based messages between a controller and a pilot. It greatly improves communication capabilities compared to traditional voice communication, in terms of reducing communication errors and pilot workload, improving the efficiency of airspace management and providing economic benefits. As traffic volume in the airspace becomes saturated, it is necessary to adopt CPDLC as the primary communication method and air traffic controllers should be trained accordingly. In the presented work, the features of CPDLC are introduced as well as the structure of CPDLC system is illustrated, and a novel framework for training air traffic controller with CPDLC system is proposed. It is seen that air traffic controller can be trained with lower workload, fewer mistakes and more flexibility using CPDLC system.


Author(s):  
Laurence Rognin ◽  
Karim Zeghal ◽  
Isabelle Grimaud ◽  
Eric Hoffman

Controller-in-the-loop experiments were conducted in order to assess the impact on air traffic controller activity of the delegation of spacing task to the flight deck. Three experiments involving a total of 18 European controllers during 7 weeks took place over the past two years. In addition to standard data analysis, a geographical-based analysis was introduced. It consisted in analysing the distribution of manoeuvring instructions and eye fixations as a function of their distance to the sector exit. This analysis confirmed assumptions that delegation leads to anticipate the building of the sequences, and to relieve the controller of maintaining these sequences. Although these initial results suggest a positive impact on controller activity, they still need to be complemented, typically with contextual analysis of monitoring through microscopic analysis of eye fixations.


2014 ◽  
Vol 18 (1) ◽  
pp. 27
Author(s):  
Al Anamila Nur Aufa ◽  
Teguh Yuwono

Al Anamila Nur Aufa, Teguh Yuwono, in paper SCADA HMI optimization for monitoring and control repeater using radio communication modem GPRS INTEK J65i–X explain that radio communications at PT PLN ( Persero ) APD Central Java and Yogyakarta is still a major communication medium for coordinating the work , both maintenance and handling of interference between units . Repeaters in this case an important role in the communication process between APD dispatcher JTY with Area - Area and officers in the field because of the presence of the communication range of the repeater spacing becomes wider . In operation repeaters can be susceptible to interference that can result in radio communications in the areas covered by the repeater to be disrupted so that the communication between the dispatcher APD JTY with Area - Area and field workers to be blocked. Handling repeater for this disorder is not maximized due to the lack of real time monitoring of the state of the repeater , so that when the repeater impaired in the device or on the supply , the clerk did not know in person and just waiting for a report from the repeater keeper at any time at the shelter is not a repeater . There needs to be a device that can monitor the state of the repeater , which if detected interference at the source , supply and radio , PPE JTY officer may direct monitoring , so that it can assist in the handling and analysis of causes of hearing disorders without having to come to the site . GPRS Modem Utilization Intek J65i - X allows retrieval status of the repeater equipment where it can not be done at this time . With facilities tapped digital inputs and digital outputs on the modem , any condition of equipments such as radio signal repeater RX , TX radio signal , battery , charger and 220V supply state of the supply voltage can be detected . From changes in the supply voltage available , can be detected by a GPRS modem Intek J65i - X so that when there is an interruption in the HMI SCADA can termonitoring in real time . With the monitoring and control of a radio repeater communications , personnel no longer need to go to the location (site ) only to find the cause of the disturbance . Interference analysis can also be performed before treatment is held further disruption . Reset control radio can also be done quickly if the radio have to hang in its operation , so that the future will be able to improve the performance of SCADA systems PT PLN ( Persero ) APD Central Java and DI Yogyakarta. Keywords : repeater , modem GPRS Intek J65i - X , auxiliary relays , monitoring and control , HMI SCADA


2014 ◽  
Vol 564 ◽  
pp. 604-607
Author(s):  
Aziz Abdul Faieza ◽  
S.N. Rashid ◽  
N. Zulkifli

Air traffic service is an extra-ventricular service which regulates and assists aircraft in real time to ensure their safe operations. The importance of the air traffic service is to prevent collision between aircraft and to expedite and maintain an orderly flow of the air traffic. The objective of this project is to assess the effectiveness of the installed system in assisting the air traffic controller in providing the air traffic service. In order to achieve this objective, the Automatic Dependent Surveillance and Controller Pilot Data Link Communication (ADS/CPDLC) system has been installed and its functionality to provide continuous surveillance and communication has been evaluated. A survey of 35 air traffic controllers had participated to assess the effectiveness of the system to the air traffic controller. The results showed that over 80% of the air traffic controllers agree that the system is able to provide a continuous surveillance and continuous communication over the oceanic area. Apart from that, 60% of the air traffic controllers agree the reduced separation minima can be applies over the oceanic area by using the application of the system. Base on this result, reduced separation minima over the oceanic area can be applied in order to expedite and maintain an orderly flow of air traffic over the oceanic area.


2003 ◽  
Vol 11 (4) ◽  
pp. 293-310 ◽  
Author(s):  
Sandy Lozito ◽  
Savita Verma ◽  
Lynne Martin ◽  
Melisa Dunbar ◽  
Alison McGann

2016 ◽  
Vol 1 (4) ◽  
pp. 150
Author(s):  
Veton Zejnullahi

The process of globalization, which many times is considered as new world order is affecting all spheres of modern society but also the media. In this paper specifically we will see the impact of globalization because we see changing the media access to global problems in general being listed on these processes. We will see that the greatest difficulties will have small media as such because the process is moving in the direction of creating mega media which thanks to new technology are reaching to deliver news and information at the time of their occurrence through choked the small media. So it is fair to conclude that the rapid economic development and especially the technology have made the world seem "too small" to the human eyes, because for real-time we will communicate with the world with the only one Internet connection, and also all the information are take for the development of events in the four corners of the world and direct from the places when the events happen. Even Albanian space has not left out of this process because the media in the Republic of Albania and the Republic of Kosovo are adapted to the new conditions under the influence of the globalization process. This fact is proven powerful through creating new television packages, written the websites and newspapers in their possession.


Sign in / Sign up

Export Citation Format

Share Document