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Ecoefficient Procedures for Air Traffic (EcoPAT)

The internal research project "Ecoefficient Procedures for Air Traffic (EcoPAT") investigates new assessment methods for departure, approach and landing procedures by applying multiple ecoefficient criteria (noise emission, pollutant emission, fuel consumption etc.)

Radar tracks (blue) and optimized lateral flight tracks (min. noise footprint at residential areas)

Methods und expected results

Using radar and ADS-B data, noise modelling of single flight events according to ECAC Doc. 29 (3rd Edition) determines precise noise contours. The methods required for estimating aircraft mass and thrust are currently being developed using specific aircraft parameters and validated using flight operational data and the chair's own real-time simulation environment (AARES, SRF).

As a result, determined noise contours for single flight events (LAMAX ; SEL) can be displayed on suitable GIS data sets and subsequently information regarding the exposure of residential areas, population figures (using population density functions) and other urban-related characteristics can be called up.

Furthermore, flight procedures are evaluated with regard to further eco-efficient parameters (engine emissions and fuel consumption) and examined with regard to flight operational feasibility and efficiency. In addition to the use of BADA3 data from EUROCONTROL to estimate fuel consumption and pollutant emissions, precise data recording from flight simulators (AARES, SRF) are also used here.

As a result, a procedure is to be developed which, in addition to a noise-related evaluation of selected flight procedures, also allows other criteria to be included in an eco-efficient evaluation.

Vertical approach profiles (Radar data, A/C Type: A320) for EDDT/TXL and generic CDO-profile (red)


Strümpfel, C., Mitzkat, M. (2018). Active Noise Abatement Strategies for Postal Flights between Berlin-Tegel and Stuttgart (german titel: "Aktive Lärmminderungsstrategien für Postflüge zwischen Berlin-Tegel und Stuttgart") Presentation at the 71th meeting of the local airport noise comission of Berlin-Tegel airport (TXL). Berlin, Germany. DOI: 10.13140/RG.2.2.30512.46087. Available at:

Strümpfel, C., Lehmann, O. (2017). "Challenges and Potentials of Aircraft Noise Modeling Using Enhanced Aircraft Performance Parameters and Flight Deck Procedures". INTER-NOISE 2017, Hong Kong, September 2017. Available at researchgate.net

Strümpfel, C., Lehmann, O. (2017). Optimization of night time post flights with respect to active noise protection (german titel: “Optimierung der Nachtpostflüge hinsichtlich aktivem Schallschutz”). Presentation at the 69th meeting of the local airport noise commission of Berlin-Tegel airport (TXL). Berlin, Germany. Available at: http://www.stadtentwicklung.berlin.de/verkehr/politik_planung/luft/tegel/download/20170112_TUB_FF_FLSK.pdf.

Strümpfel, C., Lehmann, O. (2016). Aircraft noise analysis of continuous descent operations at the Berlin-Tegel Airport (german title: „Lärmfachliche Analyse für den kontinuierlichen Sinkflug im Einflugverfahren (CDO) für den Flughafen Berlin-Tegel“). Presentation at the 67th meeting of the local airport noise commission of the Berlin-Tegel airport (TXL). Berlin, Germany. Available at: http://www.stadtentwicklung.berlin.de/verkehr/politik_planung/luft/tegel/download/20160407_TUBerlin_laermfachliche_Analyse_TXL.pdf

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Christoph Struempfel, M.Sc.