pf2e.fyi
From Pathfinder Howl of the Wild, which isn't enabled.

Thunderous Landing

FEAT 12
ARCHETYPE
Activity 1 action
Archetype Winged Warrior
Prerequisites Winged Warrior Dedication
Requirements You currently have a fly Speed and are airborne.

You hurl away enemies with the force of your landing. You Fly and, if you end your movement on a solid surface, your landing sends out a shock wave of air. Each creature within 10 feet of your landing position must succeed at a Reflex save against your class DC or be pushed 10 feet away. This is forced movement.

Pathfinder Howl of the WildORC