ATTILA YIR: Advancing a new generation of tiltrotors
AIAA's Aerospace America Year in Review (YIR) describes the ATTILA project and its status in a December 2022 article about Aerospace Design and Structures, "Advancing a new generation of tiltrotors". See the full article here: https://aerospaceamerica.aiaa.org/year-in-review/advancing-a-new-generation-of-tiltrotors/