Question:
Which of the following factor is not considered for estimating the runway length required for aircraft landing?
Which of the following factor is not considered for estimating the runway length required for aircraft landing?
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Runway length corrections are made for:
• Airport elevation
• Temperature
• Effective runway gradient These are the standard ICAO correction factors.
• Airport elevation
• Temperature
• Effective runway gradient These are the standard ICAO correction factors.
Updated On: Jul 23, 2026
- Normal maximum temperature
- Airport elevation
- Maximum landing weight
- Effective runway gradient
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The Correct Option is C
Solution and Explanation
Concept:
The basic runway length obtained from aircraft performance charts is corrected for local airport conditions.
The important correction factors are:
• Airport elevation.
• Airport reference temperature.
• Effective runway gradient. Maximum landing weight is already considered in the aircraft manufacturer's performance data and is not used as an independent correction factor.
Step 1: Identify the runway correction factors. The runway length is corrected for \[ \boxed{\text{Elevation, Temperature and Gradient}.} \]
Step 2: Identify the factor not considered separately. Hence, \[ \boxed{\text{Maximum landing weight is not an independent correction factor}.} \] Therefore, the correct option is \[ \boxed{(C)\;\text{Maximum landing weight}.} \]
• Airport elevation.
• Airport reference temperature.
• Effective runway gradient. Maximum landing weight is already considered in the aircraft manufacturer's performance data and is not used as an independent correction factor.
Step 1: Identify the runway correction factors. The runway length is corrected for \[ \boxed{\text{Elevation, Temperature and Gradient}.} \]
Step 2: Identify the factor not considered separately. Hence, \[ \boxed{\text{Maximum landing weight is not an independent correction factor}.} \] Therefore, the correct option is \[ \boxed{(C)\;\text{Maximum landing weight}.} \]
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