Get a Jump on ADS-B Out 2020 requirements...
schedule your aircraft for upgrades before the rush!

 For information specific to your aircraft, please call our Sales Department at (603) 627-7827.


Pro Star Aviation teamed up with Honeywell Aerospace to create a complete STC solution for Primus II equipped aircraft that is both; compliant with current FAA & EASA ADS-B Out mandates, DO-206B standards, and offers owners & operators options in equipment upgrades and system configurations.



STC AML addresses the most popular business and corporate aircraft known to be equipped with a Primus II system:

Challenger 601

Citation 550 | 560 | 560XL | 650 | 750

Global Express

Hawker 800 | 1000

Learjet 40 | 45

STC Package contents:

STC Referenced:ST00361BO - ADS-B Solution for Primus® II (XS-852) ADS-B Out System (FAA)
STC Holder:Pro Star Aviation, LLC
Approval Date:July 2016
Reissue Date:October 2018
Installation instructions
Flight Manual amendments
Supplemental paperwork
FAA Approved ADS-B Certification for the entire system
Support from the original engineers behind the STC's design & development


STC solution is:

  • Specific to Honeywell Primus II equipped aircraft

  • Compliant with 2020 ADS-B Mandates & DO-260B Standards (required for flight above FL18)

STC solution provides:

  • Upgrade of existing RCZ-8xx units

  • Replacement of RM-850's with RM-855's for ADS-B Out compliance

  • Three (3) configuration choices for interfacing GPS's to RCZ unit(s)

  • Flexibility when interfacing GPS units with a WAAS GPS sensor

  • Supports GPS's that provide SA (selective availability) to meet DO-260B compliance standards.

    • To meet DO-260B standards, a GPS with "Selective Availability Aware" (GPS SA) capable sensor (developed to TSO-C145b or TSO-C146b criteria) is required to provide the Mode S Transponder with; position, velocity, altitude, figure of merit, and integrity limit data.

equipment & Location on aircraft


(Remote Monitoring Unit)

❶ RM-855 (new/upgrade)
*Two PN's are available from Applied Avionics; 28V DC or 5V DC.

(Global Positioning System)

❷ KGS-200 (new)
❸ GNSSU (upgrade)

Our STC uses only GPS's that provide "Selective Availability" (SA).


(Radion Communication Unit)

❹ RCZ-8xx (upgrade)

installation requirements - minimal equipment

IK-837 or IK-839 Strap Module/Kit

Wiring modifications between the GNSSU/KGS-200 and the RCZ units (at a minimum) are required to complete the ADS-B out installation.

RCZ Strap Module/Kit (1 of 2)

RCZ Strap Module/Kit (1 of 2)

RCZ Strap Module/Kit (2 of 2)

RCZ Strap Module/Kit (2 of 2)


Active Antenna (GPS)

Any installation involving upgrade of GNSSU's to -GD06 PN or to a KGS-200, an active antenna will be required to get that system in full compliance with DO-260B standards and ADS-B Out mandates.

GPS Active Antenna w/ SBAS

GPS Active Antenna w/ SBAS


supporting documentation