Garmin GTX 23 Manuale Utente

190-00906-01

GTX 23 Installation Manual

Rev. C

Page 1-7

Air Traffic Control Radar 
Beacon System/Mode Select 
(ATCRBS/MODE S) Airborne 
Equipment

TSO-C112

Class 2A

All 006-B1417-00

Traffic Information Service 
(TIS)

RTCA DO-239

-

Air Traffic Control Radar 
Beacon System/Mode Select 
(ATCRBS/MODE S) Airborne 
Equipment

ETSO-2C112b

2C112b

Class 1 

Level 2es

Extended Squitter Automatic 
Dependent Surveillance – 
Broadcast (ADS-B) and 
Traffic Information Services – 
Broadcast (TIS-B)

TSO-C166a (See Note 2)

ETSO-C166a (See Note 2)

B0 (non-

diversity)

B1 

(diversity)

006-B1417-00 Rev. A 

(v6.20)

TSO-C166b

(see Note 3)

B1S (non-

diversity)

B1 

(diversity)

All 

006-B1417-00 Rev. ( ) 

except 

006-B1417-00 Rev. A 

(v6.20)

Enhanced Surveillance

ICAO Annex 10, 

Amendment 77 Tables: 2-

64, 2-80, 2-96

(See Note 1)

-

All 006-B1417-00

RTCA DO-178B Compliance

DO-178B

Level C

RTCA DO-254 Compliance

DO-254

Level C

Note 1:  Complies with ICAO Annex 10, Amendment 77 Tables: 2-64, 2-80, 2-96 functionality only when 
the Enhanced Surveillance function is enabled during configuration 

).

Note 2:  Complies with TSO-166a/ETSO-166a functionality only when the ADS-B function is enabled 
during configuration 

(

).

Note 3: Complies with TSO-C166b functionality only when the Extended Squitter function is enabled 
during configuraton (

).