Dual transponder system ADS-B upgrade in Part 25 aircraft

Replacement of symbol generators.

Modification and replacement of existing Rockwell Collins dual Attitude Heading Reference Systems (AHRS) AHS-85E with Rockwell Collins dual (AHRS) AHS-3000A.

Modification of Rockwell Collins, Inc. VHF-4000 and VHF-4000E installations

Modification of a Rockwell Collins, Inc. RAC-870 Radio Altimeter Converter installation.

Modification of a Rockwell Collins, Inc. AFD-3010 and AFD-3010E Adaptive Flight Display Installation in Part 25 Aircraft.

Modication of a Rockwell Collins Weather Radar System installation.

Modification of a Collins GPS-4000 or GPS-4000A

Modification of a Rockwell Collins, Inc. Data Base Unit (DBU) installation

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