Gravel kit - C-GTVO Boeing 737-219C sn 22994 (1982) Chrono… | Flickr
Boeing 737-200 Rey del Norte Canadiense
Unpaved Strip Kit
Tom Podolec Aviation on Twitter: "PHOTOS Up close look at the gravel kit installed on this Nolinor Aviation Boeing 737-200. It prevents rocks and other debris from entering the engine (vortex dissipator)