With a flight taking off or landing every 80 seconds at the world’s sixth busiest airport, constantly striving for safe and efficient airport operations is essential. Over the past few years, Changi Airport Group has embarked on a series of trials and innovations, with the aim to continue to minimise incidents on the airside, with the ‘gold standard’ of bringing it to as close to zero as possible.
A lot of effort goes into ensuring the runway is always ready and safe for use. Labelled ‘Category one vehicles’, these yellow vehicles, once given the green-light by Air Traffic Control, go onto the runways to check that all are safe and ready for use.
With so much activity going on around the airside, drivers on the airside may get distracted. RIPPLE helps to prevent such lapses by warning drivers when they are approaching the vicinity of a runway. Implemented in July 2017, the tool has since been installed in all ‘Category one vehicles’.
The pre-warning system works by using a Global Positioning System (GPS) to draw a geographic boundary, or geofence, 180 metres from the centre of the runway. Based on the GPS reading, the system will automatically send a visual and audio alert to the driver on the airside if his vehicle enters the demarcated area. Similarly, RIPPLE will also alert the driver when the vehicle exits the geofence. This results in better situational awareness on the driver’s part.
Since the implementation of RIPPLE, there have been no runway incursions by vehicles.
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