Mk VI Ground Proximity Warning System installed.

Installation of the (1) Honeywell MK V Enhanced Ground Proximity Warning System or (2) the Honeywell MK VII EGPWS

Installation of an AV557D cockpit voice recorder.

Installation of the Bendix/King KLN 90B Global Positioning System (GPS) for IFR enroute and approach operation

Installation of Norton radome kit No. 2090XS.

Installation of S-TEC System 20/30 Single and Two Axis Automatic Flight Guidance Systems, Model ST-726-20/30.

Installation of Collins AP-104/FD-109F Flight Control System.

Installation of Collins AP104/FD109H Flight Control System.

Installation of Collins AP-103F/FD108 and AP-103F/FS108G,AP-103F/FD109G autopilot and flight director. (65-A90 WITH 90-4031 KIT)

Category II approval of airborne instruments and equipment.