Originally Posted by
Capn Bloggs
All I'm saying is that routinely landing with only 15% over the actual landing distance required ie 50ft over the fence to a max-effort full stop, is going to eventually end in grief.
If you only have those landing distance figures available then you shouldn’t be using 15%. TALPA arc guidance for aircraft where no inflight landing performance is available suggests using factors of 1.67 to 3.4/5.1 depending on runway contamination and reverse thrust availability.
If a manufacturer has provided inflight landing distance figures, these are not just based on 50ft/max effort so 15% is considered an acceptable buffer.