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 News Archive  2014 

Neuigkeiten/Termine

> December 2014: Hannover and Dusseldorf Airport place order for SMS software update 2014
> November 2014: GfL conducts study on the impact of new approach and departure procedures at Zurich Airport
> November 2014: GfL finalises assessment on a steep approach procedure at Donauwörth heliport
> October 2014: All weather operations - Visibility minima at Airbus Helicopter’s heliport Donauwörth reduced
> September 2014: Fraport and GfL sign cooperation agreement on support of EASA certification of Frankfurt Airport
> August 2014: GfL finalises assessment on flight safety risk of low-compacted soil surrounding runways at Frankfurt Airport
> July 2014: GfL is contracted for the verification of EASA CS-ADR-DSN compliance of Cologne-Bonn Airport
> July 2014: GfL delivers report on assessment of flight safety risks of holding points at Frankfurt Airport
> June 2014: Completion of the fuel consumption analysis of CDA profiles at the airports of Hannover, Frankfurt/Main and Munich in the context of the DFS initiative “Optimized Flying”
> May 2014: GfL accompanies an assessment of new building sites on the development area “Gateway Gardens” at Frankfurt/Main Airport
> April 2014: Assessment of compatibility of siting areas for wind turbines regarding matters of aviation in Mecklenburg-Vorpommern
> April 2014: Safety assessment of missing/non-ICAO compliant runway end safety areas at City Airport Mannheim accomplished – Now execution of flight performance calculations
> April 2014: Prof. Fricke accompanies the workshop “Conversion of used aircraft engines to fixed peak load generators” in commission of RWE
> March 2014: Study on tailwind and runway excursions at Airport Zürich accomplished
> March 2014: Preliminary examination of obstacle and radar compatibility with three buildings at "Sommerhoffpark" near Frankfurt/Main Airport accomplished
> March 2014: Analysis and assessment of compatibility of wind power plants with matters of air traffic control at Lübeck Airport submitted
> February 2014: Third runway at Munich Airport may be built – GfL analysis of the required runway length and safety convinced the court
> February 2014: GfL performs photometric studies at Dusseldorf Airport
> Januar 2014: Flughafen München GmbH renews the contract for the planning project of Munich’s third runway until the end of 2014
> January 2014: GfL gets the tender for a safety assessment for the missing/non-ICAO compliant Runway End Safety Area (RESA) at Mannheim City Airport
> January 2014: GfL continues study for the aeronautical approval of planned high-rises at Frankfurt Airport
> January 2014: GfL analyses the possibility of a reduced OCA for an existing RNAV (GPS) approach procedure at Donauwörth Heliport



December 2014: Hannover and Dusseldorf Airport place order for SMS software update 2014

Both airports operate our HTML SMS Software to monitor their safety culture in accordance with EASA and ICAO Annex 14 regulations. Both airports tasked GfL to develop a customer-specific update to once again widen the functional range of the software. These updates will be released until the end of this year.

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November 2014: GfL conducts study on the impact of new approach and departure procedures at Zurich Airport

Zurich Airport is currently revising its operational procedures (“Betriebsreglement”). The Ministry of Transport and Infrastructure of the State of Baden-Württemberg as well as representatives of the affected districts were informed by the airport operator Flughafen Zürich AG (FZAG) regarding the upcoming changes in flight procedures. Following this information GfL was tasked to evaluate the impact of the revised eastern airspace concept proposal on Germany. This includes an aircraft noise study and a possible counter proposal for the airspace design. Findings of this study are due in summer 2015.

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November 2014: GfL finalises assessment on a steep approach procedure at Donauwörth heliport

After the successful reduction of the visibility minima at Airbus Helicopter’s heliport Donauwörth another assessment was contracted. Purpose of this analysis is the feasibility of a 6.3 degrees steep continuous approach procedure. This kind of procedure has the great advantage that the currently used level segment is not required anymore during the approach to maintain appropriate clearance to the power line obstacle. This assessment has been delivered and is now forwarded to the Approving Authorities.

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October 2014: All weather operations - Visibility minima at Airbus Helicopter’s heliport Donauwörth reduced

On behalf of Airbus Helicopter – and after two years of close cooperation between the company and both German ATS provider Deutsche Flugsicherung GmbH (DFS) and GfL – the IFR approach procedures have been revaluated in consequence of newly updated international regulations. Germany’s authority for ATS providers (Bundesaufsichtsamt für Flugsicherung, BAF) approved the visibility minima suggested by GfL, thus reducing the minimum permitted cloud ceiling from 540 ft to 460 ft AGL.

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September 2014: Fraport and GfL sign cooperation agreement on support of EASA certification of Frankfurt Airport

GfL supports Fraport AG in the approval process of the EASA (CS ADR DSN) compliance of the airport infrastructure, management and procedure design at Frankfurt Airport. Based on the complexity of the largest airport in Germany this cooperation will run as a multi-year project which will also include the involvement of Fraport’s own IT department.

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August 2014: GfL finalises assessment on flight safety risk of low-compacted soil surrounding runways at Frankfurt Airport

GfL delivers the assessment on flight safety risk induced by low-compacted soil at runway-adjacent areas to Fraport AG. Based on EUROCONTROL’s Safety Assessment Methodology (SAM) the study aims for approval of non-compliant soil strength by determining the risk induced by the non-compliance and assessing the need for action.

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July 2014: GfL is contracted for the verification of EASA CS-ADR-DSN compliance of Cologne-Bonn Airport

GfL has received the order to verify the compliance of Cologne-Bonn Airport with EASA CS-ADR-DSN. This verification will focus on the manoeuvring area (runways, taxiways, aprons) and the obstacle situation. Besides GfL’s wide-ranging expertise in aerodrome design and operation the possible implementation of the verification criteria as a software solution was a crucial factor in winning this tender offer. The so-called Airport Conformance Monitor is an advanced version based on our successful HTML SMS Tool.

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July 2014: GfL delivers report on assessment of flight safety risks of holding points at Frankfurt Airport

GfL delivers the final report about “Safety Assessment for non-ICAO compliant holding points in approach and departure sectors of runways 25L/07R and 25C/07C at Frankfurt Airport” to Fraport AG and finishes the studies.

According to the planning permission for the new northwest runway from 2007 Frankfurt Airport enhances and modifies the holding points in the eastern and western region of the parallel runway system. These clearance positions could be in conflict with ICAO and EASA guidelines. GfL developed and successfully used models for determination of possible collision risks of airplanes waiting on ground and approaching or departing airplanes. The result of the researches was a proof of safe flight operations at Frankfurt Airport.

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June 2014: Completion of the fuel consumption analysis of CDA profiles at the airports of Hannover, Frankfurt/Main and Munich in the context of the DFS initiative “Optimized Flying”

In the context of the DFS initiative “Optimized Flying” GfL has evaluated the fuel burn of airplanes which perform a so called Continuous Descent Approach (CDA) at German commercial airports. The results have been compared to conventional approaches. A specially developed method made it possible to determine the fuel consumption of specific flights based on radar and weather data. In this way, almost 8,000 flights have been analyzed.

The comparison with real fuel consumption data has shown that the method is valid. Furthermore optimized decent profiles where used to prove even more potential for fuel saving beside the established procedure mentioned above.

The Airlines Condor, Lufthansa and Airberlin are involved in the initiative “Optimized Flying”.

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May 2014: GfL accompanies an assessment of new building sites on the development area “Gateway Gardens” at Frankfurt/Main Airport

In August 2013 the impressive building Alpha Rotex was finished. It was built in the eastern approach sector of Frankfurt Airport on basis of a special permit. This permit is based on a safety assessment developed by GfL. The company OFB, owner of several properties on the area, tasked GfL to accompany an assessment of high-rises with special technical and economical requirements. These exceptional buildings are developed as part of an architectural competition. GfL is responsible for all flight safety issues concerning obstacle clearance, wake vortex hazard, external risks and radar compatibility. For the latter, GfL again cooperates with the company FCS ( > http://www.flightcalibration.de/en/). The process should be completed in fall.

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April 2014: Assessment of compatibility of siting areas for wind turbines regarding matters of aviation in Mecklenburg-Vorpommern

According to the current update of suitable building areas for wind turbines in Mecklenburg-Vorpommern some areas are designated as so-called exclusion areas. In certain cases this is justified with nearby airfields and their associated obstacle limitation surfaces.

GfL examines whether these area reductions are in accordance with existing protected areas. In addition, GfL determines to which extent specific areas are compatible with the requirements of safe flight operations (analysis of obstacle limitation surfaces, assessment of protection areas around technical facilities for ATC and radio navigational aids).

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April 2014: Safety assessment of missing/non-ICAO compliant runway end safety areas at City Airport Mannheim accomplished – Now execution of flight performance calculations

GfL presented the results of the safety assessment to the State Aviation Authority, the Regional Administrative Authority in Karlsruhe (approving authority) and the airport operator at Mannheim Airport. The study concludes that additional actions must been taken to guarantee safe flight operations due to the non-compliant runway design (missing RESA and reduced runway strips).

For a prospective Safety Monitoring GfL was now commissioned to do flight performance calculations for specific aircraft types operating at Mannheim Airport.

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April 2014: Prof. Fricke accompanies the workshop “Conversion of used aircraft engines to fixed peak load generators” in commission of RWE

In April scientists at TU Dresden in the field of turbomachinery, airplane operations and stationary gas turbines met at DNV-GL to determine the effort for conversions of used jet engines to so-called aero derivatives. These conversions are intended to temporarily buffer peak loads in the RWE power supply system, typically expected in winter seasons due to the transition to renewable energy. Therefor a power output in the gigawatt range is required which a park of aero derivatives would be able to supply.

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March 2014: Study on tailwind and runway excursions at Airport Zürich accomplished

GfL presented the final results of the comprehensive safety assessment regarding the risk of runway excursions during tailwind operations at Zurich Airport to all involved project partners, in particular Flughafen Zürich AG, Skyguide and Swiss Air Lines. The study was then handed over to the regulating authorities, the Federal Office of Civil Aviation (FOCA or German: BAZL).

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March 2014: Preliminary examination of obstacle and radar compatibility with three buildings at "Sommerhoffpark" near Frankfurt/Main Airport accomplished

As part of a preliminary examination and on behalf of BHT Baugrund Hessen Thüringen GfL examines in cooperation with Flight Calibration Services (FCS) GmbH whether the construction of three new buildings at "Sommerhoffpark" violates the obstacle clearance surfaces of the runways at Frankfurt/Main Airport. Moreover, it was examined whether interferences with radio navigational aids and radar equipment are expectable. The nearby helipad of University Hospital Frankfurt was also taken into consideration.

The results were handed over to the customer allowing the promising continuation of this project.

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March 2014: Analysis and assessment of compatibility of wind power plants with matters of air traffic control at Lübeck Airport submitted

On behalf of IAG (Ihlenberger Abfallentsorgungsgesellschaft mbH) GfL examined whether planned wind turbines near Airport Lübeck-Blankensee violate corresponding obstacle clearance surfaces or interfere with radio navigational aids and air traffic control equipment. The results were handed over to our customer and the project can be continued promising.

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February 2014: Third runway at Munich Airport may be built – GfL analysis of the required runway length and safety convinced the court

On February 19, 2014 the High Administrative Court of Bavaria published the corresponding verdict, thus disallowing all lawsuits against the project. At numerous hearings GfL answered various questions concerning the advisory opinion in the topics air safety, flight performance, runway length and capacity of the planned construction of a third runway at Munich Airport. Finally the presiding judge confirmed the reliability of our company’s assessment.

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February 2014: GfL performs photometric studies at Dusseldorf Airport

Flughafen Düsseldorf GmbH (FDG) plans to increase the permitted number of flight movements and the creation of additional parking positions as part of a plan approval procedure for capacity increase. Thus, FDG aims to increase the efficiency of Dusseldorf Airport (DUS). FDG likes to examine the disturbance caused by light emissions during take-off, landing and taxiing of aircraft in the vicinity of the airport as part of the necessary environmental impact assessment. For this GfL received a corresponding commission.

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Januar 2014: Flughafen München GmbH renews the contract for the planning project of Munich’s third runway until the end of 2014

FMG renews the cooperation with GfL for the next steps in the legal procedure for the planning approval of the third runway at Munich Airport. This court proceedings features 17 lawsuits of private persons, municipalities and Bund Naturschutz at the Bavarian Administrative Court (BayVGH). GfL covers the expertise on the planned runway length, flight safety and crash risks. On Wednesday, 19th February 2014 at 10 o’clock a verdict will be announced.

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January 2014: GfL gets the tender for a safety assessment for the missing/non-ICAO compliant Runway End Safety Area (RESA) at Mannheim City Airport

The Regional Administrative Authority of Karlsruhe, which is the responsible approving authority, has tasked GfL to assess the impact on flight safety due to a missing/non-ICAO compliant RESA at Mannheim City Airport. According to national and international regulations every runway must feature a RESA to ensure safe operations. The safety assessment will point out whether safe and regular flight operations can be maintained without a RESA, especially with the planned resumption of scheduled flights.

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January 2014: GfL continues study for the aeronautical approval of planned high-rises at Frankfurt Airport

OFB Projektentwicklung GmbH tasked GfL with another assessment for a planned group of buildings in the so-called Sommerhoff Park area in vicinity to Frankfurt Airport. This survey features an examination of the obstacle limitation surfaces and a radar assessment. The work will be done with the cooperation of FCS Flight Calibration Service > http://www.flightcalibration.de/, Braunschweig.

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January 2014: GfL analyses the possibility of a reduced OCA for an existing RNAV (GPS) approach procedure at Donauwörth Heliport

In March 2012 GfL conducted an Aeronautical Study on behalf of Airbus Helicopters (former Eurocopter) stating that safe and regular operations can be maintained at any time at Donauwörth Heliport. This study confirmed the actual OCA (Obstacle Clearance Altitude) to be ICAO-compliant. Due to recent changes in the relevant regulations the OCA may be reduced. GfL is tasked to analyse the changes to point out the benefits of a possible OCA reduction. Target of this survey is to minimize the OCA in a way that ensures maximum operational availability while maintaining high safety standards.

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