Apparently, in Pokémon Gaia, Raichu can learn Fly : r/PokemonROMhacks

Fire Red Remixed - Ground Monotype : r/PokemonHallOfFame

Pokémon FireRed/LeafGreen Nuzlocke Viability Rankings 6.0 : r/nuzlocke

FireRed LeafGreen Community Tier List Day 9! Today is our biggest post yet: We're covering Pokemon Tower, the Eeveelutions, and routes near Celadon. So we're ranking Haunter, Gengar, Marowak, Vaporeon, Jolteon, Flareon

Como Pegar o Fly no Pokémon Fire Red(HM02) Tutorial!

Best Kanto HM Slaves in FireRed & LeafGreen (And Gen I R/B/Y) – FandomSpot

I beat pokemon fire red with only flying types. : r/PokemonHallOfFame

Pokémon Fire Red Version And Leaf Green Version ( Prima Official Game Guide 2004) : Free Download, Borrow, and Streaming : Internet Archive

Pokemon FireRed and LeafGreen :: Move Tutors

Best Pokemon Fire Red: Cheats, Codes in 2020 [100% Working]

Pokémon FireRed and LeafGreen Versions - Bulbapedia, the community-driven Pokémon encyclopedia