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