Air Navigation Systems: Chapter 3. The Beginnings of Directional Radio Techniques for Air Navigation, 1910–1940

1990 ◽  
Vol 43 (03) ◽  
pp. 313-330
Author(s):  
Brian Kendal
Keyword(s):  
Navigation Systems ◽  
Commercial Aviation ◽  
The Third ◽  
Civil Aircraft

This paper is the third chapter of a series on Air Navigation Systems during the period from the early oceanic flights and the inception of commercial aviation to the introduction of INS in civil aircraft. Some initial comments on the paper are included in the Forum section of this issue of theJournal. Further comments would be welcomed by the author and the editor.

Air Navigation Systems Chapter 4. Hyperbolic Airborne Radio Navigation Aids – A Navigator's View of their History and Development

1991 ◽  
Vol 44 (3) ◽  
pp. 285-315 ◽  
Author(s):  
W. F. Blanchard
Keyword(s):  
Navigation Systems ◽  
Commercial Aviation ◽  
Radio Navigation ◽  
Civil Aircraft

This paper is the fourth chapter of a series on Air Navigation Systems during theperiod from the early oceanic flights and the inception of commercial aviation to the introduction of INS in civil aircraft. Comments on the content of the paper would be welcomed by the author and the editor.

Air Navigation Systems: Chapter I. Astronomical Navigation in the Air 1919–1969

1988 ◽  
Vol 41 (3) ◽  
pp. 375-406
Author(s):  
J. E. D. Williams
Keyword(s):  
Navigation Systems ◽  
Commercial Aviation ◽  
Civil Aircraft ◽  
The Subject ◽  
To Receive

This paper is the first of a series on Air Navigation Systems during the fifty years from the early oceanic flights and the inception of commercial aviation to the introduction of INS in civil aircraft. These papers are intended as critical commentaries. A definitive history has yet to be written. The writer would be grateful to receive criticisms of the paper or comments on the subject.

Air Navigation Systems: Chapter 2. Heading References 1909–1959

1990 ◽  
Vol 43 (1) ◽  
pp. 58-87
Author(s):  
J. E. D. Williams
Keyword(s):  
Navigation Systems ◽  
Commercial Aviation ◽  
Civil Aircraft ◽  
The Subject ◽  
To Receive

This paper is the second chapter of a series on Air Navigation Systems during the fifty years from the early oceanic flights and the inception of commercial aviation to the introduction of INS in civil aircraft. These papers are intended as critical commentaries. A definitive history has yet to be written. The writer would be grateful to receive criticisms of the paper or comments on the subject.

Analysis of the Problem of Ensuring the Noise Stability of the Civil Aircraft Navigation Systems

2021 ◽  
pp. 1-23
Author(s):  
Dmitry Alexandrovich Zatuchny ◽  
Ruslan Nikolaevich Akinshin ◽  
Nina Ivanovna Romancheva ◽  
Igor Viktorovich Avtin ◽  
Yury Grigorievich Shatrakov
Keyword(s):  
Navigation Systems ◽  
Noise Stability ◽  
Aircraft Navigation ◽  
Civil Aircraft

The Application of Inertia Navigation Systems to Civil Air Transport

1963 ◽  
Vol 16 (3) ◽  
pp. 265-266
Keyword(s):  
Inertial Sensors ◽  
Instantaneous Velocity ◽  
Air Transport ◽  
Lower Grade ◽  
Navigation Systems ◽  
Military Aircraft ◽  
Considerable Advantage ◽  
Civil Aircraft ◽  
Navigational Aid ◽  
The Cost

Navigation by the use of inertial information is now an accepted technique for military aircraft and for missiles. In civil aircraft the application of inertial techniques are, as yet, limited to defining the vertical and providing a memory of azimuth direction; that is, as aids to flight rather than a primary or even sole navigational aid. Although the principles applied—the inertial properties of matter and the laws of gravitation—are the same, the accuracy of the inertial sensors differs by some three orders of magnitude, and the cost by some two orders, between these two extremes.Mr. A. Stratton of the Royal Aircraft Establishment first of all presents in perspective the range of application of inertial techniques that are available for civil use and suggests how the information obtained by inertial means can be related to that from other airborne sources. He shows that even if the expense of an accurate inertial platform of ‘navigational’ quality should not be justified, considerable advantage over existing sources obtains in terms of accurate attitude reference, and instantaneous velocity and acceleration, by the use of a lower-grade platform in conjunction with other navigation aids.

Affordable and Reliable Avionics Architecture Design for Advanced Regional Turboprop Aircraft

2016 ◽  
Vol 842 ◽  
pp. 233-240
Author(s):  
Toto Indriyanto ◽  
Hedi Hartalita
Keyword(s):  
Developed Countries ◽  
General Aviation ◽  
Civil Aviation ◽  
Maintenance Cost ◽  
Navigation Systems ◽  
Commercial Aviation ◽  
Communication Course ◽  
Alerting System ◽  
Integrated Modular Avionics ◽  
Navigation Equipment

Integrated avionics architectures offer advantages such as higher flexibility, reliability, simplicity, future upgradeability and weight saving over previous federated designs. Successful implementations of integrated modular avionics (IMA) are onboard Boeing B777, B787, Airbus A380 and A350. These applications often result in development and maintenance cost not suitable for regional and general aviation aircraft. One popular approach to overcome this problem is by using integrated flight deck (IFD) supplied by avionics manufacturers such as Garmin or Honeywell. These manufacturers often optimize IFDs for applications in developed countries. For example, with the development and widespread use of satellite-based global positioning system (GPS) in the US, Canada and Europe, some terrestrial navigation equipment (e.g. ADF and DME) are no longer included in the standard IFD packages offered for commercial aviation. However, many areas in the rest of the world still use and rely largely on the availability of the ADF, DME, etc. Aircraft flying in these areas need to comply with the local requirements for terrestrial navigation systems already deployed. In this paper a study on the implementation of additional avionics equipment on Garmin G1000 for advanced regional turboprop aircraft is presented. G1000 is an integrated avionics system that integrates many electronic components including navigation, communication, course, attitude, display, etc. It has been widely used in all kinds of civil aviation aircraft. In order to conform to local and modern requirements, ADF receiver, DME transceiver, traffic alerting system and weather radar need to be integrated. Preliminary reliability analysis using fault tree method is performed for the designs to ascertain their safety as set out in the requirements for advanced regional turboprop aircraft.

scholarly journals Civil Aircraft Emissions Study and Pollutant Forecasting at a Brazilian Airport

2020 ◽  
Vol 10 (1) ◽  
pp. 5217-5220
Author(s):  
D. A. Pamplona ◽  
C. J. P. Alves
Keyword(s):  
Econometric Model ◽  
Public Awareness ◽  
Air Transport ◽  
Pollutant Emissions ◽  
Model Forecast ◽  
Aircraft Emissions ◽  
Commercial Aviation ◽  
Air Transport Industry ◽  
Global Demand ◽  
Civil Aircraft

In recent decades, the emissions of air transport industry pollutants and their impact on human health attract increased focus. The continued growth of air traffic and public awareness has transformed this field into one of the most important topics of commercial aviation. In the next 20 years, the estimated global demand for air transport will grow by an average of 5%. One of the direct consequences would be the increase in emissions, affecting significantly the communities around airports. The aim of this paper is to present an econometric model forecast of pollutant emissions generated by domestic flights in Salvador Airport. This model includes a derivative study of demand until the year 2020, considering the number of flights and emissions generated in the takeoff and landing cycles. Results present a predictive model for the number of pollutant emissions.

scholarly journals The exclusion of liability for emotional harm to passengers in the Warsaw and Montréal Convention: moving away from Floyd, Siddhu and Pienaar, the Stott Case?

2017 ◽  
Vol 20 ◽  
pp. 1
Author(s):  
Rafia De Gama
Keyword(s):  
Common Law ◽  
Air Travel ◽  
Flight Safety ◽  
Navigation Systems ◽  
Legal Regime ◽  
Commercial Aviation ◽  
Definition Of Death ◽  
Legal Regimes ◽  
Definition Of ◽  
Emotional Harm

This contribution focuses on the transport of passengers on international routes and the legal regime set down by the Warsaw Convention of 1929 and reinforced by the Montréal Convention of 1999. These Conventions regulate commercial aviation by detailing a set of minimum standardised procedures for flight safety, such as standards for air navigation systems, amongst others, to ensure safe and efficient air travel. The legal regime also regulates the possible claims that may be made against airlines for the death of or harm to passengers, as well as relating to damage to and loss of baggage. The regime not only limits claims temporally and by location, but it also excludes the application of national legal regimes. With regard to claims of harm to dignity the regime disallows such claims to be brought within the restrictions placed by the legal regimes or on any other basis.The contribution does not address the full coverage of these Conventions, only the exclusion of mental / emotional injuries. The Convention excludes emotional harm from the definition of death and physical harm. However claimants have brought claims to undermine the main exclusion of claims with regard to compensation for emotional harm. This contribution explores the exclusion of claims in the Warsaw and Montréal Conventions and thereafter analyses two court decisions in common law countries where this exclusion of claims was challenged and the challenge failed. 

A Theoretical Framework for Ubiquitous Computing

2016 ◽  
Vol 8 (2) ◽  
pp. 1-15 ◽  
Author(s):  
Mahdi Hashemi ◽  
Abolghasem Sadeghi-Niaraki
Keyword(s):  
Wireless Networks ◽  
Ubiquitous Computing ◽  
Real World ◽  
Theoretical Framework ◽  
Navigation Systems ◽  
Third Generation ◽  
The Real ◽  
The Third ◽  
Solid Foundation ◽  
And Mathematics

You may forget where you left your keys when you need them. In ubiquitous computing space your keys will find you and inform you where they are. Ubiquitous computing, the third generation of computing spaces, following mainframes and personal computers, is in its incipient evolution steps. In ubiquitous computing space, sensors and computing nodes are invisibly, inconspicuously, and overwhelmingly embedded in all real-world objects and are all connected to each other through omnipresent wireless networks. The goal is to make real-world objects seem intelligent and autonomous in providing users with electronic and Internet services with users not even noticing how they are provided with these services. The real world, cyberspace, modeling, and mathematics are identified as the main constituents of ubiquitous computing in this study. These four areas are investigated one-by-one and in combination to show how they create a solid foundation for ubiquitous computing. An application of ubiquitous computing in car navigation systems is used to indicate the reliability of the proposed framework.

Research on loads applied on powered wheels and struts of civil aircraft at touchdown

2021 ◽  
pp. 095440622110001
Author(s):  
Mingyang Huang
Keyword(s):  
Dynamic Model ◽  
Spring Back ◽  
Negative Effects ◽  
Aircraft Fuselage ◽  
The Third ◽  
Civil Aircraft ◽  
Flexible Deformation ◽  
The Moment ◽  
Multi Body ◽  
Body Dynamic

Pre-rotating aircraft wheels is a valid method to reduce the drag loads applied on such wheels by the ground at touchdown. The drag loads have the probability to cause landing strut binding, which has negative effects on the landing gear and requires further analysis. To analyse the probability of the binding of the landing struts, a novel friction triangle model of the landing strut is established in a two-dimensional configuration. This paper builds a 6-degree-of-freedom aircraft dynamic model, consisting of an aircraft fuselage, landing struts, nose and main wheels. On the basis of such model, a set of dynamic analysis is performed to output the forces applied on the landing struts and wheels during spin-up and spring back processes. The maximum values of such forces are studied considering different pre-rotation speeds of the wheels. Through the new models applied in this paper, three conclusions are obtained. The first is that the main landing struts have the highest probability of strut binding at the moment of the first touchdown. The second is that the wheel pre-rotation decreases the probability of landing strut binding when the aircraft initially touches the ground. The third is that the multi-body dynamic model considering the flexible deformation of landing struts outputs drag loads with more and higher-frequency vibrations than the rigid strut model.

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