ARTEX AIRCRAFT SUPPLIES B406-4 Instruction Manual

ARTEX 406 MHz EMERGENCY
LOCATOR TRANSMITTERS
B406-4
Artex Aircraft Supplies, Inc.
14405 Keil Road NE
Aurora, OR 97002 USA
Phone: [phone] FAX:[phone]
www.artex.net
Artex Aircraft Supplies, Inc. doing business as Cobham Avionics
DESCRIPTION, OPERATION, INSTALLATION
AND MAINTENANCE MANUAL
DOCUMENT NUMBER: 570-5004 REV. C

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REVISION HISTORY
REVISION DOCUMENT CHANGE NOTICE DATE
- RELEASE 12/02/99
A ECO 1418 06/22/00
B DCN 1641 04/11/01
B DCN 1747 07/19/01
B DCN 1965 04/04/02
B DCN 2115 12/10/02
B DCN 2356 02/11/04
C DCN 2968 03/20/07
C DCN 3174 02/26/08
C DCN 3282 08/25/08

Table of Contents
SYSTEM DESCRIPTION ..........................................................1-1
SYSTEM DESCRIPTION................................................................1-2
LINE REPLACEMENT UNITS (LRU)..........................................................1-4
FIGURE 1-1 G-SWITCH CURVE..............................................................1-4
TRANSMITTER CHARACTERISTICS ...........................................1-5
121.5/243.0 MHz TRANSMITTER ...............................................................1-5
406.025 MHz TRANSMITTER .....................................................................1-5
FCC REQUIREMENTS...................................................................1-5
TSO REQUIREMENTS...................................................................1-6
ACTIVATION MONITOR...............................................................................1-6
G-SWITCH .....................................................................................................1-6
BATTERY PACK ...........................................................................................1-6
REMOTE CONTROL ....................................................................................1-7
Artex Antennas .............................................................................1-7
ROD ANTENNA ............................................................................................1-7
BLADE ANTENNAS ......................................................................................1-7
FIGURE 1-2 ROD ANTENNA (110-320)..................................................1-9
FIGURE 1-3 BLADE ANTENNA (110-337)..............................................1-9
FIGURE 1-4 BLADE ANTENNA (110-333)............................................1-10
FIGURE 1-5 BLADE ANTENNA (110-328-01) ......................................1-10
B406-4 OPERATION ................................................................2-1
Operation........................................................................................2-2
Overall Functions..........................................................................2-2
FIGURE 2-1 ELT FUNCTIONAL FLOW ..................................................2-3
INSTALLATION .........................................................................3-1
Basic Overview .............................................................................3-2
FIGURE 3-1 ELT AND REMOTE SWITCH PANEL...............................3-2
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ELT Mounting Locations .............................................................3-3
FIGURE 3-2 MOUNTING TRAY INSTALLATION ...................................3-3
Figure 3-3 ELT Outline Dimensions .........................................3-4
Figure 3-4 Blade Antenna Outline 110-337 .............................3-5
Figure 3-5 Rod Antenna Outline 110-320 ................................3-6
FIgure 3-6 Blade Antenna Outline 110-333 .............................3-7
Figure 3-7 Blade Antenna Outline 110-328-01 ........................3-8
Antenna Mounting Locations ....................................................3-9
FIGURE 3-8 REMOTE PANEL OUTLINE DIMENSIONS.....................3-10
Installing the Mounting Tray ....................................................3-10
Installing the Antenna ...............................................................3-11
FIGURE 3-9 ELT MOLEX CONNECTOR INSTALLATION ..................3-11
Mounting the Cockpit Panel Switch Assembly ....................3-12
Wiring the ELT System.............................................................3-12
Fabricate the Cable ....................................................................................3-12
FIGURE 3-10 WIRING DIAGRAMS ......................................................3-13
FIGURE 3-11 ELT-TO-REMOTE PANEL INTERFACE DIAGRAM......3-14
FIGURE 3-12 BUZZER BRACKET .........................................................3-15
Connecting the ELT....................................................................................3-15
Wiring the Panel Assembly Connector.....................................................3-16
Power and Ground .....................................................................................3-16
Buzzer Installation .......................................................................................3-16
Finishing Up ................................................................................................3-16
Transmitter Test..........................................................................3-17
Sealing the ELT Connector ......................................................3-19
Helicopter Installations ..............................................................3-19
PERIODIC MAINTENANCE......................................................4-1
In the United States ....................................................................4-2
In Canada.......................................................................................4-2
Periodic Maintenance Inspection Procedure ...........................4-2
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FIGURE 4-1 PERIODIC MAINTENANCE CHECKLIST ..........................4-3
Step 1 Remove ELT Connections..............................................................4-4
Step 2 Remove ELT ....................................................................................4-4
Step 3a Remove Battery Pack ...................................................................4-4
Step 3b Replace/Reinstall Battery Pack ....................................................4-5
Step 4 G-Switch Check ...............................................................................4-5
Step 5a Electrical Check .............................................................................4-5
Step 5b 121.5/243.0 MHz Power Output ..................................................4-5
Step 5c 121.5 MHz Frequency...................................................................4-6
Step 5d Audio Modulation ...........................................................................4-6
Step 5e Measure 406.025 MHz Power .....................................................4-6
Step 5f Measure 406.025 MHz Frequency ...............................................4-7
Step 5g Current Draw Tests.......................................................................4-7
FIGURE 4-2 TEST HARNESS CONNECTION .......................................4-8
Step 5h Verification of Digital Message ....................................................4-9
FIGURE 4-3A BEACON TEST SET DISPLAYS ...................................4-10
FIGURE 4-3B BEACON TEST SET DISPLAYS .....................................4-11
Step 5i Reset ELT .....................................................................................4-13
Step 6 Reinstall ELT..................................................................................4-13
Step 7 Installed Transmitter Test .............................................................4-13
Figure 4-4 ELT/Battery Pack Exploded View..........................................4-14
Step 8 Antenna Test..................................................................................4-15
Step 9 Logbook Entry................................................................................4-15
Summary of Minimum Requirements......................................4-15
Specifications @ 121.5 MHz .....................................................................4-15
Specifications @ 243.0 MHz .....................................................................4-15
Specifications @ 406.025 MHz.................................................................4-15
Transmitter Test ..........................................................................................4-15
ELT Battery Pack Replacement ...............................................4-16
SPECIFICATIONS & APPROVALS.........................................5-1
SPECIFICATION TABLES...................................................................5-2 - 5-4
B406-4 Model Description ...........................................................5-5
Approvals .......................................................................................5-6
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APPENDIX A: DOCUMENTATION & LICENSE DATA .......A-1
Available Documentation ............................................................A-2
Radio Station License Data .......................................................A-2
APPENDIX B: REGISTRATION REQUIREMENTS ...............B-1
Registration ...................................................................................B-2
APPENDIX C: SYSTEM COMPONENT PART NUMBERS..C-1
System & Sub-component Part Numbers ...............................C-2
APPENDIX D: ELT/NAV INTERFACE OPERATION ............D-1
ELT/NAV Interface Capability.....................................................D-2
ELT/NAV Interface Communication Formats ...........................D-3
Installation and Checkout Process...........................................D-3
24 Bit Address Installation Test...............................................D-4
ELT to NAV Interface Information ............................................D-6
DGL-1 “Dongle”............................................................................D-6
FIGURE D-1 ELT/NAV INTERFACE INSTALLATION OVERVIEW ......D-7
FIGURE D-2 ELT/NAV INTERFACE TO ELT WIRING DIAGRAM........D-8
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SYSTEM DESCRIPTION