The aim of the project is to develop and demonstrate new helicopter approach procedures as well as other EGNOS applications for general aviation. The initiative builds on the outcomes of the GIANT project (Framework Programme 6).

HEDGE will accelerate the adoption of EGNOS in helicopters and general aviation. In order to do this the project will:

• Develop the new “SOAP” approach procedures for offshore helicopter operations. The work will produce input material relating to the new approach procedure for ICAO panels working on standardisation and prepare an outline industry specification for future equipment development. A demonstration of the SOAP procedure will be used to build support in the offshore oil and gas industry.
• Implement the new ICAO “PINS” and LPV approach procedures for mountain rescue and Helicopter Emergency Services (HEMS). This will be the first such demonstration for some of these groups and is intended to demonstrate the considerable benefits of EGNOS-enabled instrument approaches. Many helicopter operators recognise the disadvantages of the current over-reliance on visual procedures, which reduces safety and operational flexibility.
• Demonstrate a new integrated airport surveillance/navigation concept based on EGNOS for positioning. The concept will use EGNOS/GPS to provide precise positioning for navigation as well as transmitting in ADS-B messages.

Consortium details and project deliverables are available through the HEDGE website.

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