Inaccurate?

Jump, Mass

(Shining South)

Transmutation
Level: Druid 3, Ranger 3, Sorcerer 3, Wizard 3,
Components:
Range: Close (25 ft. + 5 ft./2 levels)
Area: One creature/level, no two of which can be more than 30 ft. apart

This spell functions like jump, except that it affects a group of creatures in an area, all of which gain a +10 enhancement bonus on Jump checks.
The enhancement bonus increases to +20 at caster level 10th, and to +30 (the maximum) at caster level 14th.
Pirates on the Great Sea are fond of this spell during boarding actions.