Under what conditions will an aircraft create best lift?
- Hot damp day at 1200 ft.
- Cold dry day at 200 ft.
- Cold wet day at 1200 ft.
Explanation from PART66Online
Lift increases with air density, and density is greatest when the air is cold, dry and at low altitude. A cold dry day at 200 ft gives the highest density of the options, since heat, humidity and altitude all reduce air density and therefore lift.
E
Elia asked · 19 Mar 2026
why not the first
Community Comments (2)
Z
ZigmundsAMG
7 Apr 2026
The higher altitude the less dense air. less air molecules - less lift.
M
Merejohn
4 Jun 2026
A cold day is better than a hot one because the cold day has more density in air so more lift, and dry because the wet day decrease engine efficiency
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