From Villain to Unsung Hero-by CAPT G.A Fernando   Source:Island One winter morning in 1998, as a part of the SIA crew while planning a departure from Kimpo (Gimpo) International Airport Seoul South Korea, in our Airbus A 340 aircraft, we realised that it had snowed all night and the runway surface was ‘contaminated’ with melting snow (Slush). We had been told time and time again by the performance experts that a depth of snow, slush or standing water more than 3mm (1/8th of an inch), the proverbial SriLankan Baas’s ‘Noola’, on more than 25% of the Runway, it is considered to be contaminated. The Kimpo Airport Authorities hadn’t cleaned the runway surface like in most other airports. A contaminated runway poses a whole host of problems for pilots attempting to take-off. Because of the natural resistance of the water, snow or both on the runway in varying degrees and depths, ...

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