9 Apr 2012 22.00 970840 Airframe ASC 84 Enhanced Navigation This code has been cancelled. 0.0 Hrs 0 CiL 24 Feb 2014 38.00 970841 Airframe ASC 84A Enhanced Navigation This code has been cancelled. 0.0 Hrs 0 OL 24 Feb 2014 38.00 970842 Airframe ASC 848 Enhanced Navigation 38.00 970850