EMERGENCY BEACON CORPORATION EBC-406HM Instruction And Maintenance Manual Download Page 8

EMERGENCY BEACON CORPORATION 

July 2022, Rev 8   

3. Observe the manner in which the current battery is situated within 

the  ELT.  The  new  battery  must  be  installed  in  the  same  physical 
orientation as the current battery.

 

4. Remove the plastic U strip spacer. 
5. Grasp battery connectors, and pull apart. Do not pull on the wires or 
they  may  be  damaged!  The  battery  pack  is  a  Class  9  hazardous 

material. Dispose of according to local regulations.

 

6. Check for corrosion on the battery connector, the BNC connector, 
and D-Sub connector. Clean as required. 

7. Insert new battery with label facing up

, and remove “Replace Battery 

By” label

. Tightly mate connectors. 

8. Install plastic U strip spacer. 

9. Install the “R

eplace Battery B

y” label, on the side of the ELT.

 

10. Reinstall back cover, and antenna. 

11. Perform tests as per Section 6. Install ELT into mount. 

 

The Part Number for a replacement battery pack is GS-46. 

 

CAUTIONS:

 

This battery pack is comprised of 3 lithium manganese dioxide cells.  
Do not disassemble the battery pack.  Do not short circuit.  Lithium is 

flammable.  Do not dispose of the battery pack in or near fire or flame. 

 

The conditions and tests required for this TSO approval of this battery 
are minimum performance standards. It is the responsibility of those 

desiring to install this battery in a specific class of aircraft to determine 
that the aircraft installation conditions are within the TSO standards. 
The battery may be installed only if further evaluation by the applicant 

documents  an  acceptable  installation  and  is  approved  by  the 
administrator. Lithium battery safety concerns include the possibility of 
fire, venting violently, and venting toxic gases. 

 

Battery Specifications: 

System: ................................................ Non-rechargeable Lithium              
                                                              Manganese Dioxide 
Nominal Open Circuit Voltage ............. 9.8 VDC, Red lead positive 
Total Lithium Content .......................... 10.2 grams 
Nominal Size ........................................ 

H = 2.53” W =1.42” L

 

= 4.14”

 

Nominal Weight ................................... Approximately 1.2 lbs. 
Certification .......................................... TSO-C142 

 

SECTION 12 
REPAIRS 

Should  you  experience  any  problems  with  your  ELT,  contact  the 
factory  for  advice.    Should  repairs  become  necessary,  remove  the 

battery. Send the ELT, less battery, to the factory.  EBC is the only 
authorized  repair  facility.    Please  include  a  note  describing  the 
problem.    EBC  will  evaluate  the  unit  and  contact  you  with  a  repair 

estimate.  There is a nominal fee for this inspection unless the ELT is 
under warranty. 

 

 
 

 
 

SHIPPING INSTRUCTIONS: 

 Send the ELT without battery. 

 Enclose a note describing the problem, and if a new battery is 

needed. Include your name, address and telephone number. 

 Pack well and insure. 

 

The customer pays shipping costs to and from the factory. 

Send the ELT to: 
Emergency Beacon Corporation,  
15 River Street  

New Rochelle, New York, 10801, USA  

 

SECTION 13 
EBC-406HM SPECIFICATIONS 

Operating Frequencies: .............. 406.028 MHz, 121.500 MHz,  
                                                     and 243.000 MHz 
Modulation 406 MHz:.................. Biphase L (16KOG1D) 
Modulation 121.500 MHz:  ......... Swept tone 1600 Hz to  
                                                     300 Hz, 2-4 times/second 
Output Power on 406 MHz: ........ 5W for 24 hours at 

20 C 

Output Power on 121.5 MHz: ..... 50 mW min for 50 hours at 

20 C 

Operating Temperature: ............. -20 C to +55 C 
Battery Type: .............................. Li-MnO

Useful Battery Life: ..................... 5 years or 1 hour of cumulative use 
Automatic Activation: .................. True 360° spherical 6 axis  
G-switch system ......................... 5-

7 G’s

 

Altitude:  ...................................... 50,000 ft 
Decompression:  ......................... 8000 ft to 50,000 ft 
Over Pressure:  .......................... -15,000 ft 
Humidity:  .................................... 95% for 144 hours 
Shock Performance:  .................. 500 Gs for 4ms; 100 Gs for 100ms 
Vibration:  ................................... Withstands 10 Gs 
Immersion:  ................................. 24 hours in salt water 
Message Protocols: .................... Aviation User Protocol,  
                                                    Serialized Aviation User Protocol 
Activation Alerts .......................... LED and buzzer 
Input Power ................................ No Aircraft Power Required 

 

PHYSICAL FEATURES: 

 

Size (ELT):  ................................. 

H = 6.7” W = 2.9” D

 

= 2.5”

 

Total Weight:  ............................. 2.75 lbs.

 

Case Material:  ........................... Aluminum 
Finish:  ........................................ Flat Black 

 

National  Stock  Numbers  for  the  EBC-406HM  Emergency  Locator 
Transmitter: 

 

 

 5821-01-560-7879    -    EBC 406HM with BB-12M Mounting  
                                        Bracket. 

 6135-01-560-7877    -    GS-46 Lithium Battery Pack  
 5985-01-560-7878    -    Antenna, ANT-406T 
 5340-01-560-7876    -    BB-12M Mounting Bracket (Standard  

                                        Bracket) 
 5340-01-564-5623    -    BB-15M Mounting Tray (Alternate                      

                                        Bracket) 
 
 

 
 

 

 
 

Summary of Contents for EBC-406HM

Page 1: ...NCY LOCATOR TRANSMITTER INSTRUCTION AND MAINTENANCE MANUAL EMERGENCY BEACON CORPORATION 461 TIMPSON PLACE BRONX NY 10455 PHONE 718 401 0288 FAX 718 401 0663 E mail emergencybeacon roanwellcorp com Web...

Page 2: ...EMERGENCY BEACON CORPORATION July 2022 Rev 8 THIS PAGE LEFT BLANK...

Page 3: ...ENVIRONMENTAL QUALIFICATION FORM 8 EBC 406HM ENVIRONMENTAL QUALIFICATION FORM 8 EBC 406HM TWO YEAR WARRANTY 9 PLEASE READ IMPORTANT PLEASE READ IMPORTANT PLEASE READ IMPORTANT WHEN USING IN AN EMERGE...

Page 4: ...unique identification code used by the Rescue Coordination Center to determine if an emergency has occurred This identifier is called the 15 Hex ID It is located on the front label of the ELT This uni...

Page 5: ...sier installation and removal of the ELT When installing the ELT slide the connector forward and insert the ELT into its mount until it is fully seated Slide the ELT back and close the latch by bringi...

Page 6: ...not available allow at least 1 minute between tests 2 Test for horizontal activation by holding the ELT at arms length with ELT in a vertical position Swing the ELT around your body in the horizontal...

Page 7: ...e first 5 minutes of each hour and last no longer than 3 audio sweeps of the ELT signal The test must be performed a minimum of once a year 1 Remove the ELT Tape antenna Visually inspect and confirm p...

Page 8: ...ertification TSO C142 SECTION 12 REPAIRS Should you experience any problems with your ELT contact the factory for advice Should repairs become necessary remove the battery Send the ELT less battery to...

Page 9: ...ON CORP LATCH 3 83 ANT 406T ANTENNA EMERGE PAR ANTENNA CLIP EBC 406HM ELT 2 85 ANTENNA LANYARD 17 19 0 19 7 09 GS 46 BATTERY BB 12M TSO C126 emergency beacon corp REPL TERY BY__ ___________ MOUNTING B...

Page 10: ...E ALTITUDE 4 6 1 EQUIPMENT TESTED TO CATEGORY D1 DECOMPRESSION 4 6 2 EQUIPMENT TESTED TO CATEGORY D1 OVERPRESSURE 4 6 3 EQUIPMENT TESTED TO 170 kPa abs TEMPERATURE VARIATION 5 0 EQUIPMENT TESTED TO CA...

Page 11: ...e for materials and labor within two years from date of warranty registration Transportation charges both ways are to be borne by the customer Beyond this warranty period fair charges will be made for...

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