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Attuning to an item requires a creature to spend a Short Rest focused on only that item while being in physical contact with it (this can’t be the same short rest used to learn the item’s properties). This focus can take the form of weapon practice (for a weapon), meditation (for a wondrous item), or some other appropriate activity. If the Short Rest is interrupted, the attunement attempt fails. Otherwise, at the end of the Short Rest, the creature gains an intuitive understanding of how to activate any magical properties of the item, including any necessary Command words.
(Página 137 Guia do Mestre) e
A short rest is a period of downtime, at least 1 hour long, during which a character does nothing more strenuous than eating, drinking, reading, and tending to wounds.
(Página 186 Manual do Jogador )
Como voar é definitivamente mais árduo do que comer / beber, você não pode sintonizar enquanto voa.