VLD1 Wave 2 Demonstration Of Runway Enhanced Approaches Made with Satellite Navigation

Informazioni relative al progetto

VLD1-W2 DREAMS

ID dell’accordo di sovvenzione: 874469

DOI

10.3030/874469

Progetto chiuso

Data della firma CE 30 Ottobre 2020

Data di avvio 1 Ottobre 2020

Data di completamento 31 Dicembre 2022

Finanziato da

• SOCIETAL CHALLENGES - Smart, Green And Integrated Transport

Costo totale

€ 7 316 847,68

Contributo UE

€ 4 481 277,62

Coordinato da

INDRA SISTEMAS SA
Spain

Periodic Reporting for period 2 - VLD1-W2 DREAMS (VLD1 Wave 2 Demonstration Of Runway Enhanced Approaches Made with Satellite Navigation)

Periodo di rendicontazione: 2022-01-01 al 2022-12-31

Sintesi del contesto e degli obiettivi generali del progetto

The VLD1-W2-DREAMS project researched in the reduction of noise impact around the airports using GBAS/SBAS precision approaches.

Now that the COVID-19 pandemic is over air traffic numbers have recovered to levels close to 2019 levels, so traffic growth is again an important challenge in the aviation industry. With the forecasted annual growth demand of traffic passenger, ATM infrastructure and operation will need to adapt to accommodate this demand and, in particular, the increase in runway capacity in a sustainable way taking into account consideration to citizens’ concerns when living in airport vicinity.

The impact of the following GBAS/SBAS precision approaches was assessed using live trials in Frankfurt, Rome-Ciampino and Twente airports:
• Increased Second Glide Slope (ISGS) is an approach procedure consisting in approaching and landing on a steeper glide slope than the common worldwide 3° and limited to 4.49°.
• Second Runway Aiming Point (SRAP) is an approach procedure, consisting in approaching and landing on a published second runway threshold and aiming points located further on a runway.
• Increased Glide Slope to Second Runway Aiming Point (IGS-to-SRAP) operation is considered as a variant type of SRAP operation, combining an increased glideslope into the second runway aiming point.

Approaching with a higher glideslope and/or at a higher altitude than the usual one allows reducing the noise footprint in final approach towards the airport area.

In addition to precision approaches mentioned above, a theoretical research was carried out on the Adaptive Increased Glide Slope (A-IGS) precision approach. This procedure introduces a significant change compared to ISGS operation as the final glide slope value is replaced by an optimized value calculated by the aircraft.

Lavoro eseguito dall’inizio del progetto fino alla fine del periodo coperto dalla relazione e principali risultati finora ottenuti

• Demonstration Plan deliverable was produced.
• Project communication and dissemination channels were launched and information about the project was periodically published. Several dissemination events were organized as well.
• Four demonstration exercises were conducted:
• EXE-001 SRAP and IGS-to-SRAP at Twente airport (EHTW)
• EXE-002 ISGS at Frankfurt airport (EDDF)
• EXE-003 ISGS at Roma Ciampino airport (LIRA)
• EXE-004 ISGS at Twente airport (EHTW)
• Demonstration Report deliverable was produced:
• Main conclusions of ISGS approach are:
• Noise: clear noise benefits were observed:
• For the 3.9° approach path : up to 4dBA on the first part of the final approach (depending on the moment where the landing configuration is extended) and 1 dBA when the aircraft is stabilized in the approach configuration
• For the 4.4° approach path : up to 4dBA on the first part of the final approach and 3dBA when the aircraft is stabilized in the approach configuration
• Human Performance and Safety
• No degradation of human performance and safety level was observed
• ISGS approaches with a second active PAPI (on the opposite side of the existing PAPI) were acceptable and could be flown without any difficulty in VMC/daylight conditions
• Cockpit Assistance:
• Energy Management and Flare Assistant very useful but need to continue the development
• Main conclusions of SRAP and IGS-to-SRAP approaches are:
• Noise: clear noise benefits were observed
• Human Performance and Safety:
• No degradation of human performance and safety level was observed
• (IGS-to-)SRAP runway markings and PAPI are sufficiently distinguishable from existing markings and PAPI, and do not negatively impact approaches to the conventional runway. The steeper the IGS-to-SRAP approach, the better the runways can be distinguished.
• Cockpit Assistance:
• For large aircraft may require careful energy management
• Additional annexes were produced:
• Development of algorithms to calculate energy-optimal approaches. Generation of speed envelopes for energy-optimal approaches using increased glideslope angles for various aircraft types.
• Energy Management and Flare Assistant prototypes in ISGS approaches.
• FS Fast-Time Simulation ILS CAT II vs. GBAS CAT II
• A-IGS report was produced.

• A project results dissemination event was organized.

Progressi oltre lo stato dell’arte e potenziale impatto previsto (incluso l’impatto socioeconomico e le implicazioni sociali più ampie del progetto fino ad ora)

Main project expectation was to disseminate the benefits of ISGS, SRAP and IGS-to-SRAP precision approaches mainly focused in the reduce of noise impact around the airports, this was achieved by the project. More details about the results are described in the previous section.

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