Sky Drop is a damaging Flying-type move that takes two turns to execute. During the first turn, both the user and the target will be taken into the sky, and both Pokémon will return to the ground on the second turn, with damage being dealt to the target. During the first turn, most moves will miss except for Gust, Hurricane, Sky Uppercut, Smack Down, Thunder, or Twister. Gust and Twister will deal double damage to a Pokémon in the middle of Sky Drop, while Gravity will cancel a Sky Drop in progress. Sky Drop will deal no damage to Flying-type Pokémon, and will fail against a substitute, when Gravity is in effect, or if a target who is heavier than 440.9 lbs.
Learnset
By TM for generation Unova
By TM for generation Kalos
By TM for generation Alola