L-807 Wind Cone

Provides visual indication of wind direction and velocity at a
location on an airfield. FAA Size 2 wind cones are used at the
central location on the airfield. FAA Size 1 wind cones are used
on smaller airfields and heliports.

COMPLIANT with the Current Edition of the following Specs:
FAA: L-807 AC 150/5345-27 (Current Edition)

 FAA Engineering Brief 67, ETL Certified

ICAO: Annex 14, Vol. 1, para. 5.1.1 (Size 2 only)