Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
But generally, the player will need to buy the Jet Pack plans for a specific Power Armor or Armor set from vendors.
Source: https://gamerant.com/fallout-76-jet-pack-guide-how-to-get-craft-guide/