Installation of the CAS-81 TCAS II system and dual TRA-67 Mode S transponders.

Installation of standard windshear systems.

Modification of a Collins TVI-920/TVI-920D Vertical Speed/TCAS Indicator installation

Installation of a Sperry vertical navigation sys., VN801.

Installation of dual Sperry flight director system.

Installation of dual Sperry magnetic heading ref. system.

Installation of Sperry primus800 weather radar system.

Installation of dual Sperry VG-311 attitude ref. gyros. w/multi-function display.

Installation of an AlliedSignal TCAS-II Model No. CAS-67A, with Model-S Transponders Model No. MST-67A.

Installation of a Honeywell MKVIII Enhanced Ground Proximity Warning System with Dual TRA 45A Terrain Display/Radio Attitude Indicator.