Montréal / Saint-Hubert Metropolitan Airport (IATA: YHU, ICAO: CYHU) is a public airport located in the city of Longueuil, on the South Shore of Montréal, Québec, Canada. It serves as an important general aviation and flight training hub for the greater Montréal region. The airport has historically been used for military, general aviation, and limited commercial purposes. It gained renewed commercial attention when Pascan Aviation and other regional carriers began scheduled operations, positioning it as an alternative to Montréal-Trudeau International Airport for some travellers. Saint-Hubert is also home to numerous aerospace and maintenance companies, reflecting the broader aerospace industry cluster in the Montréal area. The airport is operated by the Autorité régionale de transport métropolitain (ARTM) and managed through local authorities.