TRANSPONDER - DESCRIPTION AND OPERATION
AMM-34-50-20-081-D-801
1.
Introduction
A. Standard Transponder System:
(1) The standard transponder system provides aircraft identification (Mode S), altitude
(Mode C), and Automatic Dependent Surveillance Broadcast (ADS-B) OUT
information to Air Traffic Control.
(2) The standard transponder system is made up of the components that follow:
•
Dual standard transponder units with Extended Squitter installed behind the
Primary Flight Displays (PFD)
•
Two transponder antennas
B. Optional Diversity Transponder System:
(1) The diversity transponder system provides aircraft identification (Mode S) and altitude
reporting information (Mode C) to Air Traffic Control.
(2) The diversity transponder system is made up of the components that follow:
•
Dual diversity transponder units installed behind the PFDs.
•
Two transponder antennas
•
Two RF antenna switching relays
C. ADS-B Function
The Extended Squitter enabled transponders provide the capabilities of ADS-B
technology, which improves situational awareness and flight safety. The ADS-B OUT
function is an option and may be activated through the Multi Function Display (MFD)
software key pertinent to a specific aircraft registration number.
2.
Description
SUBTASK AMM-34-50-20-081-D-871-001
A. Standard Transponder System:
(1) There are two transponders, one (transponder number 1) is installed in the
instrument panel behind the left PFD and the other (transponder number 2) is
installed in the instrument panel behind the right PFD.
B. Optional Diversity Transponder System:
(1) There are two diversity transponders, one (diversity transponder number 1) is
installed in the instrument panel behind the left PFD and the other (diversity
transponder number 2) is installed in the instrument panel behind the right PFD.
(2) There are two RF antenna switching relays, both installed behind the MFD. One is
inboard of the left diversity transponder and the other is inboard of the right diversity
transponder.
EA500 Aircraft Maintenance Manual — 06-117751
Temporary Revision No. 34-21
EFFECTIVITY: ALL POST MB 500-31-016
34-50-20
CONFIG D
Page 1
Sep 30/20
© 2020 Eclipse Aerospace, Inc.
