Once you have it, you can catch Lugia on Whirl Islands. It's the one at the bottom.
you can get lugia in the wirl islands after you get the silver wing
at the entrance of route 3 at pewter city
get silver wing talk to the guy in pewter and go to seafoam where articuno is
first you have to beat the radio tower then he will give you silver wing (silver) in gold he will give you rainbow wing crystal he will give you clear bell then go to whirl islands and search
you can find it in pewter city there's an old that walks around near the mart
The silver wing is an item in Pokémon Crystal version. You can find this item in Pewter City on the right side.
You get Silver wing After defeating the team rocket in the radio tower POKEMON SILVER ONLY. Rainbow wing Is found much later in the game After the Elite four In pewter City POKEMON SILVER ONLY.
beat the elite four than talk to an old man next to the pokemart and hell give it to you
In the whirl islands with the silver wing
In Gold and Crystal, you get the silver wing from the man outside of the Mart in Pewter City. In Silver, you get the silver wing from the Director of Goldenrod radio station after freeing it from Team Rocket.
go to pewter city, then there is a man you get the silver wing
cuz they think Pokemon silver and gold are better than Pokemon crystal.