Falling Damage

From suicide jumpers in NYC

% probability of: 10′ 20′ 30′ 40′ 50′ 60′ 70′ 80′ 90′ 100′ 110′
limb fracture 41 63 70 76 80 82 85 88 90 93 94
spine fracture 5 10 13 16 20 23 27 29 31 33 35
death 2 7 12 21 35 49 62 74 83 92 95

Acrobatics, throwing martial art roll to withstand damage; TN=4, each success reduces damage/point.
Or use use R

TN=5
Roll Skill=1 per 5′
Each Ss does 2d6-(R Ss) points of damage
Feathers subtract 9 points of damage per Ss
Irregular areas add 5 points of damage per Ss