PTCUAAAD. As acronyms go: too Lovecraftian I fear.

PCAAD: Too Microsoftie.

PiCArD?

- Piloted Intelligent Circumnavigation Airship for Research and Development

- Prototype Integrated Control Autonomous Route Drone

- Programmable Intelligent Circumnavigation Aeronautical Remote Device

- Piloted Intelligent Craft: Autonomous Route, Data-driven

- Primary Intelligence Control And Route Determination

- Precision Integrated Circumnavigation And Remote Deployment