Can you identify this Ninjago set from an assembly from it? We got handed down 5000 LEGO bricks with no instructions. This small section was already put together. Please help identify what set it's from. I think it's a plane.
Based on Plate 4X4 W/Angle in White
This is from
70009-1: Worriz's Combat Lair

And is part of the tail section of the helicopter