Question: The Agderfly AS flight school in Norway utilized which type of twin-turboprop STOL utility aircraft between 1989 and 1992?
Sentence (from "Dornier Do 228"): The Dornier Do 228 is a twin-turboprop STOL utility aircraft, manufactured by Dornier GmbH (later DASA Dornier, Fairchild-Dornier) from 1981 until 1998.
Relevant evidence: Yes