Search Results

1 - 7 of 7 items :

  • "flight delay" x
Clear All
Evaluation of Management System Effectiveness in the Preparation of the Aircraft for Flight in Faulty Conditions

Abstract

Most flight delays in aviation enterprises are related to air traffic management and technical centers. This can happen for various reasons: untimely removal of defects, lack of spare parts, deficiencies in maintenance scheduling, etc. Another reason may be inefficient management in the system of preparing the aircraft for departure. The article suggests a possible option of such an assessment as well as the results obtained from the use of this methodology applied to a specific airline.

Open access
A Model of Interconnection Between Aircraft Equipment Failures and Aircraft “States” in Flight

Abstract

The article presents a semiotic model of “aircraft conditions” in flight and multilevel structures of an aircraft. The hierarchical structure of abstract models is divided into blocks and levels that make them more compact by applying a mathematical apparatus corresponding to the goals sated. The above models were tested on the basis of statistical data on TU-154 aircraft failures for 10 years. Various aircraft functional system failures in flight were examined. The state of the aircraft is identified by normative indicators recorded in the “Aircraft Technical Operation Manual”.

Open access
Airline Quality Assessment Methodology Taking Into Account the Flight Safety Level Based on Factor Analysis

Abstract

In this article, the authors offer a methodology for determining the quality of airline performance by taking into account the level of flight safety on the basis of factor analysis and the results of methodology approbation in the conditions of a functioning airline. The assessment of the level of airline performance quality taking into account the level of flight safety within a certain time span is rather sensitive, informative and reliable. They allow us to detect those changes in industrial and economic conditions and factors that are related to a certain degree of potential deterioration of flight safety. This creates conditions for revealing the tendencies towards the deterioration of flight safety at the stage of their origin, when they have not yet caused deep, irreversible changes in the flight safety of an airline.

Open access
Computing with words with the use of inverse RDM models of membership functions

Abstract

Computing with words is a way to artificial, human-like thinking. The paper shows some new possibilities of solving difficult problems of computing with words which are offered by relative-distance-measure RDM models of fuzzy membership functions. Such models are based on RDM interval arithmetic. The way of calculation with words was shown using a specific problem of flight delay formulated by Lotfi Zadeh. The problem seems easy at first sight, but according to the authors’ knowledge it has not been solved yet. Results produced with the achieved solution were tested. The investigations also showed that computing with words sometimes offers possibilities of achieving better problem solutions than with the human mind.

Open access
The GNSS System Application in the LPV-200 Landing Approach Procedure. Part I : Approach to Practical Verification

References [1] Aeronautical. Telecommunications, Annex 10 to the Convention on International Civil Aviation, Volume I, Radio Navigation Aids, ICAO, 2006. [2] Airline Losses May Top $ 600 Million on Cancellations, [online], www.bloomberg.com [access 15.012016]. [3] AUGUR GPS RAIM Prediction Tool - GPS Status, [online], www.augur2.ecacnav.com [access 06.03.2016]. [4] Flight delays cost $ 32.9 billion, passengers foot half the bill, [online], www.news.berkeley.edu [access 15

Open access
Empirical Validation of Blue Ocean Strategy Sustainability in an International Environment

. [online] Available at: https://www.emirates.com/account/uk/english/miles-calculator/miles-calculator.aspx [Accessed 13 November 2017]. [39] European Commission., 2015. An Aviation Strategy for Europe. European Commission. [online] Available at: http://eur-lex.europa.eu/legal-content/EN/TXT/HTML/?uri=CELEX:52015SC0261andfrom=IT [Accessed 12 November 2017]. [40] Flightontime., 2015. FLIGHTONTIME.info - Thomson Airways Charter and Scheduled Flight Delays and Punctuality. [online] Available at: http

Open access
Investigation of Murine T-Cells and Cancer Cells under Thermal Stressors and 2D Slow Rotating System Effects as a Testbed for Suborbital Flights

Cells Next, we exposed human-derived breast MCF7 and colon HCT116 cancer cells to centrifugation and thermal stressors as described previously. Figure 9 depicts the evolution of both breast and colon cancer cells over the time span of 130 h or about 5.4 days when exposed at various temperatures: 37℃, 30℃, 20℃, and 10℃. The main reason to conduct these thermal studies for this time span is based on the possible suborbital flight delays and to allow for traveling time. The in-vitro experiment is expected to be at the PPF 3 days (72 h) before launch. Flight delays

Open access