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FEATURE WINDMILLS
processed primary radar, and this has
also been completed. Both the analogue
and digital mitigation solutions are
non-computational high-speed logic
processing (FPGA hardware) systems,
that allow continuous removal of the
clutter whilst enabling the track identity
of all radial, tangential and turning traffic
crossing the wind farm to be maintained
throughout. The Thruput equipment is
fully integrated in the ATC unit with no
new data sources required.
The company reports its solutions
have recently been selected as the
mitigation solution at two further regional
airports for operational deployment
during 2012 and 2013.
Copenhagen International Airport
has installed a gap-filling radar solution
from Terma following extensive trials
in 2011. Terma’s SCANTER 4002 is an
X-Band primary radar that can provide
enhanced detection of small targets
even in the vicinity of a wind farm.
The high-resolution CFAR processing
ABOVE: Terma’s SCANTER Change in 2010 to demonstrate the new enables target detection and tracking
4002 has been installed at technology and began trials at Durham between turbines. When combined with
Copenhagen International Teeside Airport in June 2011. existing radar, it can be used to overcome
Airport, and is reportedly the effect of wind turbines on radar
able to detect small targets MIDAS touch returns. Danish ANSP Naviair selected
even near a wind farm At time of writing, the MIDAS system the surveillance radar to conduct a
at Durham Tees had completed 10,000 demonstration of its capability as a wind
hours of continuous operation without farm compliant approach radar able to
fault, continuously mitigating clutter for mitigate the impact of numerous wind
the analogue Watchman radar. turbines close to the airport.
A series of flight trials and controller The future promises more innovation
surveys have been carried out under in this area. Early development of
the supervision of Wind Power Aviation multi-static primary surveillance radar
Consultants in the presence of CAA (MSPSR), for example, offers a very
regional inspectors. As a result of different solution based around multiple
these trials, BT and Peel Holdings have receiver sites. With the advantage of
agreed that the solution satisfies the height data and multiple receivers, a bi-
planning condition on their Red Gap Moor product could be to minimise the impact
development and Thruput are now under of wind turbines. Thales is modifying its
contract to roll out a fully operational TopSky automation system to selectively
system in parallel to the BT construction integrate third-party gap-filler systems.
programme. On behalf of the Airport, This introduces much more versatility
Osprey CSL has been appointed to to existing systems. Smith says a lot
provide the operational safety case and of customers are looking at what is
the programme is aiming for Operational happening in the UK, and sees approval
Approval by year end. in the UK as a very credible start.
As part of the programme, Teeside
insisted that a comparable mitigation Reprinted from CANSO Airspace
solution should be demonstrated for a magazine, 2012. www.canso.org
28 ASIAN AIRLINES & AIRPORTS MARCH / APRIL 2013 WWW.ASIANAIRLINES-AIRPORTS.COM
