Airport Tweed-New Haven is located in United States near the city of New Haven. The international codes of Tweed-New Haven airport are ICAO: KHVN and IATA: HVN. Tweed-New Haven is located at latitude 41.2637 and longitude -72.8868. The elevation above sea level is 14ft (4m). Local timezone at the airport is UTC/GMT -5:00 hours.