Glide
Still-air glide geometry: any two of ratio, height, and distance give the third (1 NM = 6,076.115 ft), and adding a groundspeed yields the sink rate.
CLIMB & DESCENT
GLIDE24/32SOLVED
: 1
ft
nm
kt
STILL AIR ONLY
Solve for
How this is computed
Labeled assumption — Still-air geometry only — the glide ratio you enter is POH data at best-glide speed, and any wind changes the distance over the ground substantially. Headwinds shorten the glide; plan conservatively.
Still-air glide geometry: any two of ratio, height, and distance give the third (1 NM = 6,076.115 ft), and adding a groundspeed yields the sink rate. A 9:1 airplane trades 9,000 ft for about 13.3 nm. The ratio is YOUR POH's best-glide figure; scripts/test-tools-solvers.ts pins the identities.
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