Digital blueprint for construction of a long lost Jumpship. Return this to Holliday, the shipwright in the Tower.
― In-game description

A ship schematic can be brought to Amanda Holliday in the Tower to be exchanged for a jumpship. Ship schematics can be found in Loot Chests, as a random completion reward from the Crucible and, occasionally, as a reward for turning in a completed Bounty.

Jumpships obtainable via Schematic: