Helicopter Aerospatiale SA316B Alouette III Serial 2074 Register HN-303 used by Armada del Ecuador (Ecuadorian Navy). Aircraft history and location Aircraft History For HN-303 see also 206b-3 3995 w/o 1993 HN-303 Armada del Ecuador Aviacion Naval Send Updates Use APP to upload photo @ (optional) When Now? / / Send