Being an advocate of best practices to implement airport collaborative decision making implies agenda flexibility, and investing ample time to allow A-CDM candidates to grasp the concept of A-CDM as it is practiced in live operations. Be it after business hours for a small party of Romanian air traffic control, on their way back to Bucharest, or for the complete stakeholder group of Stockholm Arlanda airport on a one-day visit, or for a delegation of Single European Sky experts of the European Commission's Directorate General Move - Mobility & Transport.A couple of weeks ago, we had the honour to host a team of 5 from South Korea's Incheon International Airport, on a European A-CDM familiarization trip. ICN/RKSI, South Korea's main airport and among Asia's biggest 6, seems to be securing the 'World's best airport' award by Airports Council International year after year, and is now seriously considering efficiency and capacity optimizing measures by adopting the European airport stakeholder collaboration model. Project horizon is mid 2017, running along yet another dazzling construction project.