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| Manufacturer | System | Valid STC | A/C Types |  
|   | TCAS 2000 | RT-950 | Ан-12, Ан-74, Ан-124, Dornier 328-300, Embraer ERJ-190-100 LR/STD, ERJ-145 EP/EU/LR |  
| RT-951 | Ан-148-100B |  
| TCAS II | RT-910 | Embraer ERJ-145 EP/EU/LR |  
| RT-910 | Boeing 737 |  
|   | CAS-67A | TPU-67A | Ан-12, Ан-24, Ан-26, Ил-76ТД, Як-40, Л-410, Ми-8МТВ-1, Cessna 560 XL, Cessna Model 680 |  
| CAS-81A | TPA-81A | Airbus A319, A320, A321, A330, SAAB 340, Boeing 737 |  
| CAS-100 | TPA-100A | An-32RE, Airbus A320, Boeing 737 |  
|   | TCAS-94 | TTR-920 | DC-9-83 (MD-83), Boeing 737 |  
| TTR-921 | Ан-12, Ан-24, Ан-26, Ан-140, Ан-32, Airbus A320-2XX, Boeing 737-Х00, Boeing 767-300, CL-600-2B19, DC-9-82 (MD-82), DC-9-83 (MD-83), Learjet 60, Dassault Mystere Falcon 20/50, SAAB 340 |  
| TCAS-4000 | TTR-4000 | Як-40, Hawker Beechcraft 390 (Premier IA), Gulfstream G200 |  
Caution! The factors listed below may lead to extra charges for upgrade of your TCAS processor:
if the unit is unserviceable, has hidden defects, broken seals or repaired in organizations that are not authorized by the OEM, 
lack of data about the history of the unit (FAA Form 8130 or EASA FORM 1), 
if mandatory service bulletins are still not implemented.
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