Top of Climb / Top of Descent — ToC / ToD Planning
Klasický flight planning: kde začít stoupat, kdy začít klesat. Croucher PHPS 2153+.
Příklady
Profil letu
Departure elev (ft)
Cruise FL
Destination elev (ft)
Total dist (NM)
Climb segment
Climb rate (fpm)
Climb GS (kt)
Descent segment
Descent angle (°)
Cruise / Desc GS (kt)
Vzorce
ToC dist = (cruise alt − dep alt) ÷ ROC × GS_climb ToD dist = (cruise alt − dest alt) ÷ ROD × GS_desc 3:1 rule: 3 NM na 1000 ft descent (cca 3° glide) ROD ≈ GS × tan(angle) [×6076/60 → ft/min]