User guide
Table Of Contents
- Record of Revisions
- Service Bulletin List
- List of Effective Pages
- Table of Contents
- List of Figures
- Introduction
- Description and Operation
- Test and Fault Isolation
- 1. Inspection and Test Regulatory Requirements
- 2. Inspection and Test Procedures
- A. Checklist
- B. Preparation
- C. Coax Cable and Wiring Connections Inspection – Item 1
- D. Mounting Tray and Hardware Inspection – Item 2
- E. Battery Pack Inspection – Item 3
- F. G-Switch Functional Check – Item 4
- G. Performance Testing Setup
- H. 121.5 MHz Frequency Measurement – Item 5a
- I. Audio Modulation Check – Item 5b
- J. 121.5 MHz Power Output Measurement – Item 5c
- K. 406 MHz Frequency Measurement – Item 5d
- L. 406 MHz Power Output Measurement – Item 5e
- M. Current Draw Test – Item 5f
- N. Digital Message Verification – Item 5g
- O. ELT Reset Check – Item 5h
- P. Installed Transmitter Test – Item 6
- Q. Antenna Test – Item 7
- R. Inspection and Test Documentation – Item 8
- 3. Fault Isolation
- Removal
- Installation
- 1. Regulatory Requirements and Guidelines
- 2. Mounting Tray
- 3. Antenna
- 4. Remote Switch
- 5. Buzzer
- 6. Wiring
- A. General Considerations and Recommendations
- B. Remote Switch Harness Fabrication
- C. ELT D-Sub Plug Installation
- D. Cockpit Remote Switch 9-Pin Plug Installation
- E. Wiring Installation
- F. Antenna Connection
- G. Cockpit Remote Switch Power Connection
- H. Remote Switch Alternate Power Source
- I. Airframe Ground Connections
- J. Buzzer Connections
- K. Remote Switch Final Installation
- 7. ELT Installation
- 8. Battery Pack Installation
- 9. Helicopter Installations - Special Considerations
- Appendix A – ELT Registration
- Illustrated Parts List
25-62-30
Page 31 of 84
Jun 25/13
ARTEX PRODUCTS / ACR ELECTRONICS, INC
DESCRIPTION, OPERATION, INSTALLATION AND MAINTENANCE MANUAL
ME406 (453-6603), ME406HM (453-6604)
TEST AND FAULT ISOLATION
TASK 25-62-30-750-801
1. Inspection and Test Regulatory Requirements
SUBTASK 25-62-30-990-001
A. United States
(1) In accordance with FAR Part 91, Subpart C, § 91.207 (d), the ELT must be inspected within 12
calendar months after the last inspection for:
(a) Proper installation;
(b) Battery corrosion;
(c) Operation of controls and crash sensor; and
(d) The presence of a sufficient signal radiated from its antenna.
(2) All maintenance shall be performed in accordance with FAR Part 43, Appendix D, which
requires the following inspections at each annual or 100-hour inspection:
(a) ELT and mount for improper installation (see Figure 23 Velcro Strap Installation &
Inspection on page 68);
(b) Wiring and conduits for improper routing, insecure mounting, and obvious defects;
(c) Bonding and shielding for improper installation and poor condition; and
(d) Antenna, including trailing antenna, for poor condition, insecure mounting, and improper
operation.
SUBTASK 25-62-30-990-002
B. Canada
(1) CAR Part VI, Standard 625, Appendix C, requires the ELT to be inspected at intervals not
exceeding 12 months.
(2) All maintenance and testing shall be performed in accordance with the requirements of CAR
Part V, Standard 571, Appendix G, which requires:
(a) Corrosion inspection;
(b) Operational testing;
(c) Performance testing, including:
1
Measured peak power after 3 minutes of operation,
2
Measured frequency after 3 minutes of operation,
3
Audio modulation, which shall be recognizable as a typical ELT signal,
4
Measured current draw in the “ARM” (off) and in the “ON” position, as specified by
the manufacturer, and
5
The automatic activation system.