Rail operators sign agreements to adopt drone-based railway inspection, Japan March 17, 2025 | Asia Pacific Company News, Asia Pacific News Japan-based Liberaware, CalTa, and KDDI Smart Drone have initiated Project SPARROW (SPecializsed Aerial Remote Railway Observation Work platform) to develop drone-based railway inspection solutions. T... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password