Making the Case for Diamond-Grooved Surfaces

  Pilots recognize the dangers of flying in inclement weather. Standing water, slush, or wet snow can contaminate a runway surface producing a dangerous landing situation. Hydroplaning, the result of these weather-induced conditions, can have serious...


Equally important is the finding that grooves with sharp edges are more effective than rounded groove edges. This vital NASA research has led to the current FAA recommended runway grooving configuration of ¼x¼-inch (groove depth and width), spaced 1-½ inches center to center, which is used on most major runways in the U.S.

 

With the Approach and Landing Safety Tip, the FAA is insisting on a safer surface for all runways by using a grooved surface. A saw-cut transverse-grooved concrete landing surface will increase the potential that all aircraft will have a safe, uneventful landing every time, despite the weather.

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 The International Grooving & Grinding Association (IGGA) is a non-profit trade association founded in 1972 that is committed to the development of the diamond grinding and grooving. For more information, visit www.igga.net.

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