Questions tagged [declared-distances]

Declared distances are used to determine takeoff and landing performance for aircraft. It bridges the gap between aircraft performance calculations and runway design criteria.

9 questions
Filter by
Sorted by
Tagged with
142 views

How to calculate take-off and landing distances for a light plane?

I cannot find a generic takeoff chart for the 850 lbs BD-5B Micro-plane. How can I find, generate, or calculate the takeoff and landing distances needed? I did find this chart below and included the ...
• 1,006
929 views

Why do we calculate 25% more of TODR?

In general aviation aircraft, we are being told to calculate TODR (takeoff distance required) using AFM and TODR x 1.25. Why do we need the value with 25% added?
354 views

Can the clearway be located on a lake?

From the FAA AIM: All 14 CFR Part 139 airports report declared distances for each runway. Other airports may also report declared distances for a runway if necessary to meet runway design standards ...
5k views

Does Jeppesen display runway declared distances on their charts?

I noticed that Jeppesen includes additional runway information on their 10-9 or 10-9A charts. Are these listed values consistent with FAA runway declared distances?
• 12.2k
11k views

Why is "clearway minus stopway" used in V1 adjustments?

Illustrations and/or satellite imagery to explain the difference between clearway and stopway and explaining how they are used by turbine aircraft would be great. From B787 FCOM.
2k views

Can TODA ever be shorter than TORA, under any circumstance?

I've always been told that TODA* = TORA† + Clearway. I can't really imagine what a negative clearway would be, so that leads me to think that it is required that TODA >= TORA. Interestingly, a ...
• 485
1 vote
6k views

How do runway declared distances affect my takeoff distance?

See these questions. What is balanced field length? What are runway declared distances? My multi-engine jet airplane uses a balanced field length concept. Most airports served by airliners have ...
• 12.2k
746 views

What does the runway distance mean under "Additional Runway Information" on Jeppesen plates?

See my previous question What are Runway Declared Distances? On Jeppesen 10-9 or 10-9A charts, there is a section dealing with Additional Runway Information. Does these distances correspond to the ...
• 12.2k