NBAA Updates its “Climb/Descend via” Clearances Ahead of Nav Canada Changeover   Washington, DC, 2017-Apr-17 — /Travel PR News/ — NBAA has updated its resources detailing the proper use of “climb via” (CV) and “descend via” (DV) clearances ahead of NAV Canada’s upcoming implementation of International Civil Aviation Organization (ICAO) standard instrument departure (SID) and… Read the full press release