Brüel & Kjær Sound & Vibration Measurement A/S

Madrid Airport Launch Brüel & Kjær WebTrak Service


Local residents around the Barajas airport in Madrid can now raise direct alerts about aircraft noise disturbance, as Spanish Airport operator - AENA - has launched an interactive WebTrak service.

WebTrak is a software tool that displays live flight and noise data from 27 Noise Monitoring Terminals located around Madrid-Barajas airport. It's freely available for public use, via the airport’s website and allows them to lodge complaints about individual flights. By utilising the same data that the airport has on its Noise and Flight Tracking System - SIRMA - WebTrak helps the airport to engage with local communities over aircraft noise.

As it is also part of the AENA’s Environmental Action Plan to reduce CO2 emissions and noise generated by operations at its airports throughout Spain, AENA expects to roll out similar services to other Spanish airports in the future.

Director of Environment for AENA, José Manuel Hesse Martin, said: 'We are very proud to launch WebTrak; the positive response that we’ve had from the community is demonstrating to us that we are working in the right way to minimise noise affection and CO2 reduction. We see WebTrak as a key part of how we manage aircraft noise from our airports in the future'.

Madrid is the 46th airport to launch WebTrak - and the first to implement Brüel and Kjær's 7804 Noise and Flight Tracking System. This Flight Tracking Software enables the airport's noise monitoring system to correlate aircraft movements with noise events - all of which is recorded via the Noise Motoring Terminals - and track any violations by aircraft or airlines.

The 7804 software also allows the user to analyse the recorded noise data in various ways, such as making a comparative study between two different airlines using similar aircrafts, in the same airport.

For more information about WebTrak, please contact:


About Brüel & Kjær
Brüel & Kjær is a world-leading manufacturer and supplier of sound and vibration solutions for use in a wide range of applications including: environmental noise measurements, building acoustics, vibration measurements and quality control for use in the automotive, aerospace and consumer industries, as well as by local authorities.

We design and manufacturer sound level meters, microphones and accelerometers, conditioning amplifiers, calibrators, noise and vibration analysers and software. To see our full range and for more information, please visit or contact our sales team: telephone +44 (0) 1763 255 780 or email:

Brüel & Kjær also runs a variety of training courses throughout the year, from basic introductions on noise and it’s effects to more specialised classes teaching customers how to get the most out of their equipment. To see our full training course calendar, visit:

Free, online training courses - conducted by our expert engineers - run throughout the year too. For registration details and the latest planned web training sessions, visit:

Brüel & Kjær has two UK-based laboratories which are UKAS accredited to the international standard ISO/IEC 17025. Brüel & Kjær can provide traceable or accredited calibration for sound level meters, microphones, calibrators, artificial ears, conditioning amplifiers and accelerometers. To book a service or for more information, please contact our service department on +44 (0) 1763 255 780 or visit:
Brüel & Kjær has 1150 employees, with sales offices in 55 countries. Brüel & Kjær is a subsidiary of UK-based Spectris plc ( which has annual sales of £787m and employs around 6,000 people worldwide in its 13 business units.
For additional information please contact:
Heather Wilkins
Marketing Coordinator
Bruel & Kjaer UK Ltd
Telephone: 01763 255 780

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