Winona
Gym Leader in Hoenn.
About
Winona leads the Fortree City Gym, and every Pokémon on her team is part Flying type. Electric, Ice and Rock moves are the usual answer; her strongest, a level 33 Altaria, is Dragon and Flying and takes four times the damage from Ice moves. She gives the Feather Badge and 
TM40.
Gym battle
SwabluLv 29Perish Song, Mirror Move, Safeguard, Aerial Ace
TropiusLv 29Sunny Day, Aerial Ace, SolarBeam, Synthesis
PelipperLv 30Water Gun, Supersonic, Protect, Aerial Ace
SkarmoryLv 31Sand-Attack, Fury Attack, Steel Wing, Aerial Ace
AltariaLv 33Holds 
Oran BerryEarthquake, DragonBreath, Dragon Dance, Aerial Ace
Rematches
These teams are in the game data, but no battle uses them: rematches are not in the game yet.
DratiniLv 40Holds 
Sitrus BerryThunder Wave, Thunderbolt, Protect, Ice Beam- TropiusLv 38Sunny Day, Aerial Ace, SolarBeam, Earthquake
- PelipperLv 41Surf, Supersonic, Protect, Aerial Ace
- SkarmoryLv 43Whirlwind, Spikes, Steel Wing, Aerial Ace
- AltariaLv 45Holds
Chesto BerryAerial Ace, Rest, Dragon Dance, Earthquake
HoothootLv 43Hypnosis, Psychic, Reflect, Dream Eater- TropiusLv 43Sunny Day, Aerial Ace, SolarBeam, Earthquake
DragonairLv 45Holds Sitrus BerryThunder Wave, Thunderbolt, Protect, Ice Beam- PelipperLv 46Surf, Supersonic, Protect, Aerial Ace
- SkarmoryLv 48Whirlwind, Spikes, Steel Wing, Aerial Ace
- AltariaLv 50Holds Chesto BerryAerial Ace, Rest, Dragon Dance, Earthquake
NoctowlLv 48Hypnosis, Psychic, Reflect, Dream Eater- TropiusLv 49Sunny Day, Aerial Ace, SolarBeam, Earthquake
- DragonairLv 50Holds Sitrus BerryThunder Wave, Thunderbolt, Protect, Ice Beam
- PelipperLv 51Surf, Supersonic, Protect, Aerial Ace
- SkarmoryLv 53Whirlwind, Spikes, Steel Wing, Aerial Ace
- AltariaLv 55Holds Chesto BerryAerial Ace, Rest, Dragon Dance, Earthquake
- NoctowlLv 53Hypnosis, Psychic, Reflect, Dream Eater
- TropiusLv 54Sunny Day, Aerial Ace, SolarBeam, Earthquake
- PelipperLv 55Surf, Supersonic, Protect, Aerial Ace
DragoniteLv 55Holds Sitrus BerryHyper Beam, Thunderbolt, Earthquake, Ice Beam- SkarmoryLv 58Whirlwind, Spikes, Steel Wing, Aerial Ace
- AltariaLv 60Holds Chesto BerrySky Attack, Rest, Dragon Dance, Earthquake
As of v0.75.0 · engine 22ba612f