What is the runway slope limitation for the 737?

What is the runway slope limitation for the 737?

• A. +/- 2%
• B. +/- 3%
• C. 0%
• D. +/- 5%

Answer: (A)

Runway slope affects how the airplane performs on takeoff and landing. Certification and performance data for the 737 assume operations on runways with a grade no steeper than plus or minus 2% in either direction. Uphill slopes require more distance to reach takeoff speed and can reduce climb performance, while downhill slopes reduce braking effectiveness and can change landing distance. Keeping within this ±2% limit keeps the published performance numbers valid and ensures safe, predictable procedures. Slopes beyond that are outside the tested envelope and would require different procedures or calculations. Therefore, the runway slope limitation is plus or minus 2%.

Runway slope affects how the airplane performs on takeoff and landing. Certification and performance data for the 737 assume operations on runways with a grade no steeper than plus or minus 2% in either direction. Uphill slopes require more distance to reach takeoff speed and can reduce climb performance, while downhill slopes reduce braking effectiveness and can change landing distance. Keeping within this ±2% limit keeps the published performance numbers valid and ensures safe, predictable procedures. Slopes beyond that are outside the tested envelope and would require different procedures or calculations. Therefore, the runway slope limitation is plus or minus 2%.