b'ADVERTORIAL The lights are on,Causes of failure vary widely.Many stem from poor installation but are they working? which is why photometric testing has recently been adopted as standard for most projects. Our aviation system is designed so that no single point of failureThe main in-service causes of low light output are dirty lenses, can, on its own, cause a fatal accident. Runway lighting is a vital partdamaged lenses, \x1fxture misalignment, component failure and of this system, especially in low visibility.water ingress.Statistics show that a majority of fatal accidents occur on \x1fnalMeeting the mandatory requirements stated in AC 150/5340/26 approach and landing and over 90% of these occur in low visibility(mandatory for all Part 139 funded projects) is the only e\x1eective conditions. means of maintaining compliant and safe runway lighting. So ask yourself, are your lights, signs and PAPIs safe and compliant? Pilots, passengers, and most airport management would beReview the evidence to check the ACs are being followed and that shocked to discover there is widespread failure of the nations air\x1feldrecorded measurements demonstrate lighting to meet the criteria for compliant runway lighting incompliance. accordance with FAA advisory circulars.For further information concerning how There is a widely held belief that If the lights are on, they must beMALMS can help your airport improve the working.Tests show that nothing could be further from the truth.safety, compliance and e\x1dcient management Close-up the retina is \x1cooded when light output reaches 30%of an airports lights, signs and PAPIs please meaning that an electrician is unable to distinguish between a \x1fxturecontact me: r.shapton@malms.aero ROBERT SHAPTONoutputting 30% and another outputting 100%.481 Pleasant Hill RdRutherfordtonNC 28139Toll Free: 855-440-0541sales@malmsnavaid.com'