The GATE Grind

GATE 2024 CE (CE1) – Question 23

Transportation Infrastructure · Airport runway length, taxiway and exit taxiway design · 1 mark · Multiple choice

As per the International Civil Aviation Organization (ICAO), the basic runway length is increased by x (%) for every y (m) raise in elevation from the Mean Sea Level (MSL). The values of x and y, respectively, are

  1. 7% and 300 m
  2. 5% and 200 m
  3. 4% and 500 m
  4. 10% and 1000 m

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Show answer and explanation

Correct answer: (A) 7% and 300 m

Explanation

The ICAO (and the Indian practice) correction for elevation is an increase of the basic runway length by 7% for every 300 m of elevation above mean sea level.