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EC3: Helicopter precision approaches using GNSS


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Find out about the latest technique for ensuring that Helicopters can safely approach North Sea oil platforms.

Date and Time

25 April 2013 - 19:30-21:00


Wokingham, United Kingdom - icon_popup  (See map)


Organised by the Berkshire local network.

About this event

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Helicopter operations to the North Sea oil platforms have since the early 1980s relied on the use of weather radar as a landing aid through a procedure known as the Airborne Radar Approach (ARA). Whilst this was accepted at the time, increasingly it is recognised that the technique has its
flaws and does not support the required level of safety. Over the past ten years, there has been a concerted effort to harness the benefits of satellite navigation (GPS and EGNOS) to implement approach procedures that are simpler to fly, repeatable and offer improved safety over the existing ARA. This work has resulted in a new approach procedure called the SBAS Offshore
Approach Procedures (SOAP).
The talk will explore the work that has been undertaken that has evolved to the development of the SOAP procedure including the simulations, data collection, prototype avionics development and flight trials used to validate the concept.


Refreshments available from 19:00, with lecture starting at 19:30.

Additional information

Speaker :  Philip Church, Helios

Registration information

Like all events organised by the EC3 Specialised Section, this is open to all, free of charge, with no need to register.
For any more information, please contact: Dr Richard Mitchell at

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