Home Archive Search Aircraft 41-24613 41-24613 Direct from Boeing to Moffatt 28/8/42 NACA (National Advisory Committee for Aeronautics); designated XB-17F for aerodynamic and performance testing; ASF (WO?) 4/5/46. Revisions Date27 Sep 2014 18:40:03 ContributorAAMChangesSourcesDave Osborne, B-17 Fortress Master Log