Stall is not loss of lift but loss of stability in the airstream.
Stability is the ability to reach a steady state. A fully stalled
wing will develop just as much lift as an unstalled one but will seek
an angle of attack that will result in a steady state by sinking
faster. This makes most aircraft head nose first for the ground which
feels like loss of lift.

For a more complete explanation:

http://www.avweb.com/news/airman/184307-1.html

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Roger Long