2. Inspection and Test Procedures.................................................................................................... 26
A. Checklist ............................................................................................................................. 26
B. Preparation ......................................................................................................................... 27
C. Coax Cable and Wiring Connections Inspection –Item 1 ........................................................ 27
D. Mounting Tray and Hardware Inspection –Item 2 ................................................................. 27
E. Battery Pack Inspection –Item 3.......................................................................................... 27
F. G-Switch Functional Check –Item 4a.................................................................................... 28
G. G-Switch Functional Check (Helicopter Models Only)–Item 4b ............................................... 28
H. Performance Testing Setup .................................................................................................. 29
I. 121.5 MHz Frequency Measurement –Item 5a ...................................................................... 30
J. Audio Modulation Check –Item 5b ....................................................................................... 30
K. 121.5/243.0 MHz Power Output Measurement –Item 5c........................................................ 30
L. 406 MHz Frequency Measurement –Item 5d......................................................................... 30
M. 406 MHz Power Output Measurement –Item 5e.................................................................... 31
N. Current Draw Test –Item 5f ................................................................................................ 31
O. Digital Message Verification –Item 5g .................................................................................. 32
P. ELT Reset Check –Item 5h .................................................................................................. 33
Q. Installed Transmitter Test –Item 6....................................................................................... 33
R. Antenna Test –Item 7 ......................................................................................................... 34
S. Inspection and Test Documentation –Item 8 ........................................................................ 34
3. Fault Isolation ............................................................................................................................. 34
A. Self-Test Error Troubleshooting Guidelines ............................................................................ 34
B. ELT Troubleshooting Guidelines............................................................................................ 36
REMOVAL............................................................................................................................................... 37
1. ELT............................................................................................................................................. 37
A. ELT Removal ....................................................................................................................... 37
2. Battery........................................................................................................................................ 38
A. Battery Pack Removal .......................................................................................................... 38
3. Material or Equipment Return ....................................................................................................... 39
A. Shipment Information .......................................................................................................... 39
B. Return Material Authorization ............................................................................................... 39
INSTALLATION ....................................................................................................................................... 40
1. Regulatory Requirements and Guidelines ...................................................................................... 40
A. For US Registered aircraft: ................................................................................................... 40
B. TSO C126, Paragraph D ....................................................................................................... 40
C. FAA .................................................................................................................................... 40
D. Canada ............................................................................................................................... 41
E. Other Countries ................................................................................................................... 41
F. RTCA .................................................................................................................................. 41
2. Mounting Tray ............................................................................................................................. 42
A. Location .............................................................................................................................. 42
B. Installation .......................................................................................................................... 43
3. Antenna ...................................................................................................................................... 44
A. Selection ............................................................................................................................. 44
B. Location .............................................................................................................................. 44
C. Installation .......................................................................................................................... 44
4. Remote Switch ............................................................................................................................ 47
A. Location .............................................................................................................................. 47
