A video i recorded demonstrates the default / vanilla halo to parachute landing animation, the landing animation and what your player/character does once he lands is whats concerned here.
https://www.youtube.com/watch?v=BIhry0kzlG8&feature=c4-overview&list=UU6qxLaikXbcF2U2WT3BiaYQ
Bis Forums thread:
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http://forums.bistudio.com/showthread.php?170652-Halo-to-Parachute-landing-realism&p=2586133#post2586133