ACSL PF2-CAT3 completes Japan's first Level 4 drone flight with Japan Post

Evidence notes
- ACSL provided PF2-CAT3 for Japan first Level 4 drone flight, organized by Japan Post.
- The flight used a Class 1 UAS type-certified aircraft for unassisted beyond-visual-line-of-sight flight over an inhabited area.
Company context
ACSL is a Japanese industrial drone manufacturer developing UAV platforms, autonomous-control technology, and customization services for unmanned and IoT applications. Its product and solution focus spans infrastructure inspection, logistics, disaster prevention, public-sector operations, and emerging industrial drone use cases.