Which of the following factors are taken into account for estimating the runway length required for aircraft landing1. Normal maximum temperature.2. Air port elevation.3. Maximum lending weight.4. Effective runway gradient.Select the correct answer using the codes given below:

Which of the following factors are taken into account for estimating t

1.	Which of the following factors are taken into account for estimating the runway length required for aircraft landing1. Normal maximum temperature.2. Air port elevation.3. Maximum lending weight.4. Effective runway gradient.Select the correct answer using the codes given below:
A.	1, 2, 3 and 4
B.	1, 3 and 4
C.	2 and 3
D.	1, 2 and 4
Answer» E.

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Which of the following factors are taken into account for estimating the runway length required for aircraft landing1. Normal maximum temperature.2. Air port elevation.3. Maximum lending weight.4. Effective runway gradient.Select the correct answer using the codes given below:

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