Report published on controversial Highland air traffic controller plan By Calum MacLeod | Updated: 12:12, 05 March 2021 Get the Inverness Courier sent to your inbox every week and swipe through an exact replica of the day's newspaper Local politicians have warned that HIAL's proposals would downgrade the service at Wick John O'Groats Airport. North airport operator Highlands and Islands Airports Limited (HIAL) has published a report supporting its controversial plans to centralise its air traffic control system in Inverness. The independent impact assessment was designed to examine the economic and community impact of HIAL's Air Traffic Management Strategy (ATMS) and, where relevant, undertake Island Community Impact Assessments (ICIAs).