HS-30 Hybrid-Electric Good For Transportation Between Finland Heart Aerospace is back in the news concerning their Hybrid-Electric ES-30 aircraft. They have signed an agreement in the form of a MoU with Aland -an autonomous part of Finland in the Baltic Sea-. The government of the area is investigating ways to debcarbonize air travel to the islands. Heart Aerospace envisions these flights between Aland’s capital city Mariehamn and locations on the Finnish and Swedish mainland. The 30-seat commuter hybrid-electric is expected to enter service from 2028.