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Implications Of Short Scheduled Ground Times For European Carriers, Johannes Waltenberger, Hans-Joachim K. Ruff-Stahl
Implications Of Short Scheduled Ground Times For European Carriers, Johannes Waltenberger, Hans-Joachim K. Ruff-Stahl
Hans-Joachim Ruff-Stahl
Low-cost carriers are applying hybrid business strategies in Europe to compete with traditional airlines for more customers. The aim of this study was to investigate the differences between low-cost and non-low-cost carriers on an operational basis in terms of on-time performance, turnaround scheduling, turnaround performance, and block time setting. Data was retrieved from flightradar24.com and analyzed for three major European low-cost carriers and two hub-and-spoke operators for the airport of Valencia. Results indicate that the combination of turning around aircraft quickly and sufficient time on ground to absorb delay is a key factor for success. The findings are relevant for …
Advances In Composite Manufacturing Of Helicopter Parts, Tobias A. Weber, Hans-Joachim K. Ruff-Stahl
Advances In Composite Manufacturing Of Helicopter Parts, Tobias A. Weber, Hans-Joachim K. Ruff-Stahl
Hans-Joachim Ruff-Stahl
This study investigates and compares different methods for improving standard autoclave composite manufacturing in order to find suitable approaches to a more efficient composite production. The goal is not only a reduction in manufacturing times and costs but also quality enhancement. Improved part quality while decreasing costs enables a manufacturer of composite parts to expand its market share, especially in the helicopter market, which has been constantly shrinking over the last two years. Various approaches such as improved tooling technology, the use of automated systems for lamination as well as outsourcing are examined to provide an overview of possible advancements …
Measuring Crm Aptitude: Is Notechs A Suitable Tool For Pilot Selection?, Hans-Joachim K. Ruff-Stahl, Daniel Vogel, Nicolaus Dmoch, Alexander Krause, Andrea Strobl, Dirk Farsch, Robert Stehr
Measuring Crm Aptitude: Is Notechs A Suitable Tool For Pilot Selection?, Hans-Joachim K. Ruff-Stahl, Daniel Vogel, Nicolaus Dmoch, Alexander Krause, Andrea Strobl, Dirk Farsch, Robert Stehr
Hans-Joachim Ruff-Stahl
Airline pilot’s primary job requirements have shifted from stick-and-rudder to CRM skills. At the same time, eliminating airline pilots from the job due to a lack of CRM skills is highly inefficient. Hence, an efficient and usable selection tool that helps to evaluate airline pilot candidates’ CRM skills prior their advanced training is needed. This paper examines the usability of the NOTECHS CRM assessment tool for already trained airline pilots for the purpose of pilot selection. CRM skills were evaluated during a scripted simple flying scenario in a Flight Navigation Procedure Trainer 2 (FNPT 2). Results indicate that the standard …
Not-So-Risky Business? Assessing The Risk Of Integrating Large Rpvs Into The Current Air Traffic System, Hans-Joachim K. Ruff-Stahl, Steven Esser, Dirk Farsch, Thomas Graner, Robert Klein, Christian Schneidt, Stefan Schoenborn
Not-So-Risky Business? Assessing The Risk Of Integrating Large Rpvs Into The Current Air Traffic System, Hans-Joachim K. Ruff-Stahl, Steven Esser, Dirk Farsch, Thomas Graner, Robert Klein, Christian Schneidt, Stefan Schoenborn
Hans-Joachim Ruff-Stahl
In spite of considerable efforts to commercialize large remotely piloted vehicles (RPV), an integration of these RPVs into the existing Air Transportation System (ATS) and Airspace Structure is pending. The purpose of this paper was to assess the risks of an exemplary integration of a Heron 1 type RPV into the existing European air space structure within the current regulatory framework and without the availability of sense and avoid technology. Six incident occurrence scenarios were investigated, based on a modified Fault Tree Analysis and Eurocontrol’s risk matrix. It was found that without the implementation of technological or procedural changes, an …
Competitiveness Of Hybrid Electric Aircraft On Short Range Scheduled Flights, Johannes Anton, Hans-Joachim K. Ruff-Stahl
Competitiveness Of Hybrid Electric Aircraft On Short Range Scheduled Flights, Johannes Anton, Hans-Joachim K. Ruff-Stahl
Hans-Joachim Ruff-Stahl
Hybrid electric aircraft are expected to enter the small regional aircraft market within the next two decades. The aim of this study was to investigate if a hybrid electric passenger aircraft with 50 seats can be competitive against the established 100 seat aircraft on short range scheduled flights. The Embraer EMB 145 and EMB 190 regional jets were chosen as benchmarks for that market. A hypothetical hybrid version of the EMB 145 with increased fuel efficiency was tested on a cost per available seat mile (CASM) basis. The t tests confirmed significant (p < 0.05) competitiveness of the hybrid version, while in contrast the conventional 50-seater was significantly more expensive compared to the 100seat aircraft. This indicates that hybrid aircraft could enter the short haul market with a competitive advantage, even against the established 100 seat regional jets.