sentences:  Shorts built the hull, tail and the final assembly.The first prototype and what was to be the only Shetland I (Serial Number "DX166") first flew on 14 December 1944, piloted by Shorts' Chief Test Pilot John Lankester Parker as captain and Geoffrey Tyson as co-pilot.The aircraft flew without gun turrets (its role having been revised to that of unarmed transport before its maiden flight.