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ARTEX AIRCRAFT SUPPLIES ME406 Description, Operation, Installation And Maintenance Manual Download Page 12

ARTEX AIRCRAFT SUPPLIES, INC. 

570-1600 

 

Figure 1 – ME406 Installed View 

1.6 

Operation 

In the event of a crash, the ME406 or ME406HM activates automatically (automatic fixed “AF” 
configuration), and transmits the standard swept tone on 121.5 MHz lasting until battery power 
is gone. This 121.5 MHz signal is mainly used to pinpoint the beacon during search and rescue 
operations.  

 

Page 4 of 60 

Summary of Contents for ME406

Page 1: ... Artex Aircraft Supplies Inc has proprietary rights Neither receipt nor possession thereof confers or transfers any right to reproduce or disclose the document any part thereof any information therein or any physical article or device or practice any method or process except by written permission from or written agreement with Artex Aircraft Supplies Inc ...

Page 2: ......

Page 3: ...C 570 1600 Revision History REVISION CHANGE DATE RELEASE 06 30 05 A DCN 2670 11 17 05 B DCN 2777 05 01 06 C DCN 2847 08 21 06 D DCN 3007 05 21 07 E DCN 3076 09 27 07 F DCN 3182 03 03 08 G DCN 3227 05 19 08 G DCN 3413 03 30 09 i ...

Page 4: ...aration 15 2 4 1 4 Installation 15 2 4 1 5 Composite Aircraft Installation 16 2 4 2 Rod Antenna P N 110 338 16 2 4 2 1 Location 16 2 4 2 2 Installation Preparation 16 2 4 2 3 Type of Aircraft 16 2 4 2 4 Installation 16 2 4 2 5 Composite Aircraft Installation 17 2 5 Mount Remote Switch 17 2 6 Mount Audio Indicator buzzer 18 2 7 Cable harness and Wiring 18 2 7 1 Harness Wiring Remote switch end 19 2...

Page 5: ...intenance Steps 36 4 4 1 Remove ELT Connections 36 4 4 2 Remove ELT 36 4 4 3 Corrosion Inspection 37 4 4 4 Battery Removal 37 4 4 5 Battery replacement 37 4 4 6 G Switch Check 41 4 4 7 Reinstall ELT 42 4 4 8 Antenna Test 42 4 4 9 Installed Transmitter Test Self Test 42 4 4 10 Verification of Digital Message 44 4 4 11 Verify Registration 45 4 4 12 Logbook Entry 45 4 4 13 Shipping Instructions 45 5 ...

Page 6: ... 49 6 10 Weights 49 Table 4 Weights 49 6 11 Electrical Loading of Aircraft System 50 Table 5 Electrical Loading of Aircraft System 50 6 12 ME406 Series DO 160D Environmental Qualification Form 58 Table 6 Environmental Qualification 58 7 Glossary 59 iv ...

Page 7: ...Figure 10 Wiring Diagram Metal Airframe 23 Figure 11 Wiring Diagram Metal Airframe 23 Figure 12 Wiring Diagram Composite Airframe 24 Figure 13 Wiring Diagram Composite Airframe 24 Figure 14 ME406HM Helicopter Installation 29 Figure 15 Spare Battery Pack Label 39 Figure 16 ELT Battery Installation Removal Exploded View 40 Figure 17 Sample Battery Pack Labels 40 Figure 18 Battery Pack 452 6499 51 Fi...

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Page 9: ...s information specific to installations in Canada 1 2 Application This manual constitutes supporting data documentation for installation See section 3 1 of this manual FAA Form 337 for a more detailed explanation of required documentation Canadian users must follow the requirements of Canadian Aviation Regulations Part V CAR 551 104 Other countries may have different requirements The conditions an...

Page 10: ...nction Inputs and outputs are protected against electrostatic discharge ESD and connections to 28V or ground If a terminal is inadvertently misconnected or a wire shorted the ME406 will operate normally after the condition has been corrected The RF output is through a single BNC connector All functions of the ME406 or ME406HM are under microprocessor control A self test routine checks ELT operatio...

Page 11: ...rt message format The following User Protocols are supported Serial Number Tail Number 24 Bit Aircraft Address Aircraft Operator Designator Serial Number The ME406 does not currently support long message format or Location Protocols For a complete discussion of ELT programming protocols please see COSPAS SARSAT documents G 005 and T 001 available at www cospas sarsat org The United States accepts ...

Page 12: ...event of a crash the ME406 or ME406HM activates automatically automatic fixed AF configuration and transmits the standard swept tone on 121 5 MHz lasting until battery power is gone This 121 5 MHz signal is mainly used to pinpoint the beacon during search and rescue operations Page 4 of 60 ...

Page 13: ...activate the unit The jumper is installed on the mating half of the connector so that when the connector is installed the beacon is armed This allows the beacon to be handled or shipped without nuisance activation front connector removed NOTE The ELT can still be manually activated using the local switch on the front of the ELT Care should be taken when transporting or shipping the ELT to not move...

Page 14: ...ions of the ELT should be kept to a minimum Local or national regulations may limit testing of the ELT or impose special requirements or conditions to perform testing For the Self Test Artex recommends the ELT be ON for no more than 5 seconds Testing should occur during the first 5 minutes after the hour Figure 2 ELT Front View Page 6 of 60 ...

Page 15: ...e within the TSO standards The artic e may be installed only if further evaluation by the applicant documents an acceptable installation and it is approved by the administrator t f i l t l Found at www faa gov certification aircraft RTCA DO 182 recommends All ELT system components which must survive a crash intact should be attached to the airframe in such a manner that the attachment system can s...

Page 16: ...e whip 15 110 773 rev B Figure 21 supersedes 110 773 rev A Antenna Rod 110 338 Figure 22 Antenna cable coaxial BNC to BNC 6 Other lengths available upon request 611 6013 04 ELT Installation Kit for use with standard cock pit remote switch Mounting hardware Connector kit 455 7423 Switch only 345 6196 04 Figures 9 20 Standard Model Cockpit Remote Switch Switch Installation kit 455 6196 Audio indicat...

Page 17: ...ated on the list below the original mounting holes can be used Remove the old ELT holder or tray and install the ME406 mounting tray in its place Use the 8 32 X 5 8 Phillips pan head screws nuts and flat washers provided You may provide your own hardware so long as the correct size and type is used Mounting screws are English 8 32 or M4 x length as required Stainless steel hardware is recommended ...

Page 18: ...e than 1 0 m three feet from the mounting location r t Mount the ELT so that the longitudinal axis of the ELT the axis extending through the longest dimension is aligned with that of the aircraft within 10º The ELT mount can be rotated about the longitudinal axis i e the ELT can be mounted on the floor walls or overhead so long as it points to the front of the aircraft Using the template provided ...

Page 19: ...AFT SUPPLIES INC 570 1600 Figure 3 Mounting Hole Diagram for Artex 110 Series and Narco ELT NOTE DRAWING IS NOT TO SCALE DO NOT USE AS A TEMPLATE FOR DRILLING HOLES Metric Dimensions 50 8mm X 139 5mm Page 11 of 60 ...

Page 20: ...X AIRCRAFT SUPPLIES INC 570 1600 Figure 4 Mounting Hole Diagram for Artex 200 Series NOTE DRAWING IS NOT IS SCALE DO NOT USE AS A TEMPLATE FOR DRILLING HOLES Metric Dimensions 46 4mm X 74 8mm Page 12 of 60 ...

Page 21: ...ARTEX AIRCRAFT SUPPLIES INC 570 1600 Figure 5 Mounting Hole Diagram for Pointer NOTE DRAWING IS NOT TO SCALE DO NOT USE AS A TEMPLATE FOR DRILLING HOLES Metric Dimensions 64 7mm X 108 2mm Page 13 of 60 ...

Page 22: ...t least 24 inches 60cm in every direction Many times this is not possible but an effective plane can be constructed as follows A doubler layer of sheet metal such as aluminum can be mounted under the aircraft skin Alternatively four or more radials fastened to the underside of the fuselage skin can be used to fashion a ground plane Each radial can be metallic tape 22 AWG wire etc Tape should be at...

Page 23: ...tions in such a manner to ensure a ground contact of less than 0 003Ω If bare metal surfaces are needed for surface preparation they should be treated with Alodine 1200 or similar compound to eliminate aluminum oxidation 2 Drill 0 562 14 3 mm hole in aircraft skin 2 4 1 4 Installation 1 Metal adapter plates should be used if the curvature or compound radius of the aircraft skin is such that antenn...

Page 24: ...is the upper aft portion of the fuselage It should be mounted vertically and away from projections such as a propeller tail surfaces or the shadow of larger antennas 2 4 2 2 Installation Preparation 1 Prepare the surface for antenna installations in such a manner to ensure a ground contact of less than 0 003Ω If bare metal surfaces are needed for surface preparation they should be treated with Alo...

Page 25: ...out of direct sunlight The Artex remote switch requires approximately 1 3 X 2 0 33 X 50 8 mm of panel area to mount A space is also required for a warning placard measuring 2 25 X 0 25 57 X 6 5 mm which should be placed close to the installed switch Approximately 3 inches 75mm of clearance behind the panel is required for the switch assembly mating connector and harness Mark and remove the rectang...

Page 26: ...position of the buzzer should be such that the buzzer opening is not prone to collecting liquid or other material as this buzzer is not sealed and not waterproof Suggested mounting is with the buzzer orifice pointing down The rear of the buzzer can be sealed with RTV however the front must be left open Ground the black lead and connect the red lead to the ELT buzzer output pin 8 of the D sub 2 7 C...

Page 27: ...P N 151 5009 per Figure 9 Information Molex pin extraction tool is 11 03 0002 4 Fabricate a fused power supply lead that connects to either pin 1 14V or pin 3 28V 5 Crimp a female receptacle P N 151 6628 onto the connector end 2 7 2 Harness Wiring ELT End 1 Cut a ground wire to length that will connect the 15 pin D sub mating connector P N 150 1130 to ground Cut a wire for the buzzer that will con...

Page 28: ...te switch housing This will be either pin 1 14V system or pin 3 28V system Plug this end into the remote switch 2 Install the ELT in its mounting tray securing with the Velcro strap 3 Place 2 each of the 850 0814 sealing strips provided with install kit 455 7423 into ELT 15 pin D sub connector Plug mating D sub from harness into ELT 4 Connect the ground and buzzer wires Splicing will be necessary ...

Page 29: ...ARTEX AIRCRAFT SUPPLIES INC 570 1600 PIN 1 PIN 8 PIN 15 PIN 9 Figure 8 ELT Connector Front View of ELT Page 21 of 60 ...

Page 30: ...ARTEX AIRCRAFT SUPPLIES INC 570 1600 Figure 9 Remote Switch Wiring Page 22 of 60 ...

Page 31: ...ARTEX AIRCRAFT SUPPLIES INC 570 1600 Figure 10 Wiring Diagram Metal Airframe Figure 11 Wiring Diagram Metal Airframe Page 23 of 60 ...

Page 32: ...ARTEX AIRCRAFT SUPPLIES INC 570 1600 Figure 12 Wiring Diagram Composite Airframe Figure 13 Wiring Diagram Composite Airframe Page 24 of 60 ...

Page 33: ...antenna are in same aircraft section This usually requires placing the antenna directly above the ELT unit Do not bundle the ELT antenna coax with any other VHF radio coax power harness or the ELT remote switch harness 2 7 5 Coax Cable Assembly Optional Although various coax cable lengths are available from Artex you may fabricate your own cable Use of RG 142 or equivalent coax is required Appropr...

Page 34: ...tellites 2 8 1 Self Test Tune a receiver usually the aircraft radio to 121 5 MHz Turn the ELT aircraft panel switch ON for about 1 second then back to the ARM position The receiver should voice about 3 audio sweeps At turn off back to ARM state the panel LED should present 1 pulse buzzer will not sound for 1 pulse If more are displayed determine the problem from the list below 1 Flash Indicates th...

Page 35: ...rtex recommends that the ELT be tested every 1 2 months Follow the steps outlined above NOTE The self test time is accumulated in a register on the battery pack The register records activation time in 30 second increments so all activations will count as at least 30 seconds even if the actual time is much less Total allowable time is 60 minutes as determined by FAR 91 207 and RTCA DO 204 After thi...

Page 36: ...ents the direction in which the primary crash sensor is oriented Mount the ELT so that the arrow aligns with the longitudinal axis of the aircraft If necessary the ELT may be tilted forward up to 10 degrees see Figure 14 The ELT mount may be rotated about the aircraft center axis i e the ELT can be mounted on the floor walls or over head so long as it points to the front of the aircraft Also refer...

Page 37: ...ARTEX AIRCRAFT SUPPLIES INC 570 1600 10 Figure 14 ME406HM Helicopter Installation Page 29 of 60 ...

Page 38: ...data such as stress analyses test reports sketches or photographs should be submitted with the FAA Form 337 The Artex Description Operation Installation and Maintenance Manual may be used as supporting data however it is not FAA approved data These supporting data will be returned to the applicant by the local FAA district office since only FAA Form 337 is retained as a part of the aircraft record...

Page 39: ... intended to assist search and rescue teams in locating you or your craft in the event of beacon activation The information will be provided to the United States Coast Guard United States Air Force and other Search and Rescue SAR teams as appropriate in the event of beacon activation It will also be used to conserve SAR resources by helping to eliminate false alert deployments e g an inadvertent a...

Page 40: ...gistration decal within two weeks please call NOAA at the above number for assistance Registration forms can be found on the NOAA SARSAT website at www sarsat noaa gov or at www beaconregistration noaa gov Although the information provided will become a matter of public record there is no intent to circulate the data furnished beyond its intended purpose i e to assist SAR forces in carrying out th...

Page 41: ...e US please contact the appropriate Civil Aviation Authority in that country for guidelines and documentation needed to assure proper registration Always follow the national procedures Most countries that maintain beacon registration databases require that ELTs be registered with COSPAS SARSAT the international agency responsible for the 406 MHz Search and Rescue program Direct registration may be...

Page 42: ...to take place annually per FAR Part 91 409 FAR 43 Appendix D i states in part that each person performing an annual or 100 hour inspection shall inspect the following components of the ELT 1 ELT unit and mount for improper installat on and insecure mounting 2 Wiring and conduits for improper routing insecure mounting and obvious defects 3 Bonding and shielding for improper installation and poor co...

Page 43: ...ted time of the tests will add significantly to the battery in use time This may cause a seven flash error due to exceeding the one hour limit Testing should minimize the ON time required Replacing the battery is required if the seven flash error occurs 4 2 2 1 Peak Power Check Measure the peak power after 3 minutes of operation Remove the ELT from the aircraft per paragraphs 4 4 1 and 4 4 2 This ...

Page 44: ...e current will stabilize to approximately 78mA to 88mA 121 5 MHz only The 406 MHz burst will draw approximately 3 to 4A Burst current should not exceed 5 Amps 4 2 2 5 Automatic Activation System Check Paragraph 4 4 6 G Switch Check provides a simple method of checking the automatic activation system 4 3 Periodic Maintenance Other Countries All references to maintenance requirements for the United ...

Page 45: ...not pull on the flexible portion of the cable use the rigid section of the flex circuit at the connector as a handle 3 Inspect the battery pack and ELT chassis The battery cells components and connectors should be free of corrosion Inspect flex circuit for broken connections or damage Ensure the battery housing is free of cracks or other visible damage 4 Verify the battery expiration date If the b...

Page 46: ... then plug the flex cable connector into the battery assembly using the other The cable should not be twisted and the connector should click into place The battery connector is keyed to prevent incorrect installation 8 Mate the ELT to the battery making sure that the seal is positioned correctly during the process 9 Replace the 8 securing screws and torque to 10 12 inch lbs 113 136 Newton cm 10 En...

Page 47: ...ery Pack Label Approved batteries available from Artex or any Artex dealer Artex Aircraft Supplies Inc 14405 Keil Road NE Aurora Oregon 97002 or Artex Aircraft Supplies Inc P O Box 1270 Canby Oregon 97013 800 547 8901 503 678 7929 FAX 503 678 7930 web site www artex net e mail info artex net Page 39 of 60 ...

Page 48: ...ARTEX AIRCRAFT SUPPLIES INC 570 1600 Figure 16 ELT Battery Installation Removal Exploded View Figure 17 Sample Battery Pack Labels Page 40 of 60 ...

Page 49: ...be performed within the first 5 minutes of the hour and any local control tower is to be advised of this test Procedure 1 Disconnect the antenna cable and remote switch harness connector from the ELT Remove the ELT from the mounting tray 2 Electrically short pins 5 and 12 with a jumper wire on the D sub connector of the ELT Use Artex mating connector P N 150 1130 or equivalent 15 pin D sub connect...

Page 50: ...d properly 4 4 8 Antenna Test AC 43 13 advises A low quality AM broadcast receiver should be used to determine if energy is being transmitted from the antenna When the antenna of the radio tuning dial on any setting is held about 6 inches from the activated ELT antenna the ELT aural tone will be heard on the AM broadcast receiver This is not a measured check but it does provide confidence that the...

Page 51: ...s signal If the unit operates for approximately 50 seconds a live 406 MHz distress signal is transmitted and is considered valid by the satellite system Any time that the ELT is cycled from ARM to ON and then back to ARM a 406 MHz signal is transmitted however it is specially coded as a Self Test signal that is ignored by the COSPAS SARSAT satellites 121 5 MHz Test Tune a receiver usually the airc...

Page 52: ...erification of Digital Message This test is not mandatory in the United States FAR 91 207 d however Artex strongly recommends that it be performed as part of annual maintenance This test is mandatory in Canada Verify the 406 MHz digital message using a test set capable of receiving and decoding the message Artex suggests the ELT Test Set ETS P N 453 1000 Contact your local Artex dealer for availab...

Page 53: ... is applied to the ELT when it is registered The following address should be used to register and obtain information on how to register 406 MHz ELTs in the United States NOAA SARSAT Beacon Registration NSOF E SP3 4231 Suitland Road Suitland MD 20746 http www sarsat noaa gov The Artex website also contains information on registering beacons in other countries at http www artex net support resources...

Page 54: ...documents php fold erid 8 1 Change cable length by about 5 Contact Artex Technical Assistance to request extension cable P N 611 0001 4 Flash Error after performing Self Test 406 MHz or 121 5 MHz output power too low Also may indicate 406 MHz frequency not correct 1 Check coax cable and connections 2 Check antenna installation 3 Check that the frequencies are within acceptable limits 4 Change cabl...

Page 55: ...is defined as any discharge of static electricity The spark generated from walking across a carpet and touching a door knob is an example of an ESD event The level of ESD discharge that can damage a circuit is much smaller and not normally felt To protect the circuits of the ELT when you are replacing the battery please do the following 1 Only disassemble the ELT on a workbench that has been elect...

Page 56: ...tion level specified by RTCA DO 204 2 2 3 is 3 5 ft sec 2 0 Gs Artex has specified the higher threshold of 4 5 ft sec 2 3 G in accordance with Eurocae ED 62 The use of the 4 5 ft sec 2 3 G crash sensor has been approved by the FAA as a deviation FAA Reference 98 130S 108 dated February 6 1998 5 Auxiliary G switches activate at 12 Gs in addition to the main G switch for the ME406HM NOTE It is possi...

Page 57: ...L C 17 or equivalent Connectors BNC 6 9 Software RTCA DO 178B Level D 6 10 Weights PART NUMBER DESCRIPTION WEIGHT 453 6603 ME406 ELT w Battery 2 LBS 1 oz 936 g Maximum 453 6604 ME406HM ELT w battery 2 LBS 1 oz 936 g Maximum 452 6499 must be ordered as kit 455 0012 Battery Pack 12 oz 340g Max 452 3034 Mounting Tray 3 5 oz 100 g Max 110 773 Whip Antenna 4 oz 114 g Max 110 338 Rod Antenna 7 5 oz 213 ...

Page 58: ... Continuous 5 Minutes 5 Seconds ELT 0 A 0 A 0 A Remote Switch 30 mA 30 mA 30 mA Audio Indicator 0 A 0 A 0 A Table 5 Electrical Loading of Aircraft System NOTE Remote Switch only draws current when ELT is active for Self Test or Emergency use NOTE Audio indicator is powered by internal ELT battery Page 50 of 60 ...

Page 59: ...ioxide Li MnO2 Lithium metal content 4 4 grams Voltage 6 0 VDC open cell Amp hour rating 11 1 Ah Certification TSO C126 COSPAS SARSAT DOT T1 T8 testing for Class 9 Hazardous Goods For battery replacement order Kit 455 0012 which contains Battery pack Replacement gasket Hardware Labels Page 51 of 60 ...

Page 60: ... kHz Operating Voltage Range 3 28VDC Operating Current Max 6 mA 12VDC Sound Pressure Level Min 85 dB 30 cm 12VDC Rated Voltage 12VDC Tone Continuous Operating Temp 30 85ºC Storage Temp 40 95ºC Dimensions Ø28 0 x H25 4 mm Weight Max 9 5 grams Material ABS UL 94 1 16 HB High Heat Black Positive Terminal Red Wire Negative Terminal Black Wire Page 52 of 60 ...

Page 61: ...m 5 1 mm 44 0 mm 35 6 mm 7 6 mm 25 4 mm 30 5 mm 50 8 mm 26 4 mm 33 0 mm 12 7 mm Figure 20 Remote Switch 345 6196 04 Specifications Supply voltage 14VDC or 28VDC Current draw 35 mA Max Connector type Molex Light Red LED Switch type Rocker Weight 1 oz switch only Page 53 of 60 ...

Page 62: ...ARTEX AIRCRAFT SUPPLIES INC 570 1600 0 562 14 3mm DIA CLEARANCE HOLE ON AIRCRAFT Figure 21 Whip Antenna 110 773 Page 54 of 60 ...

Page 63: ...ARTEX AIRCRAFT SUPPLIES INC 570 1600 Figure 22 Rod Antenna 110 338 Page 55 of 60 ...

Page 64: ...ARTEX AIRCRAFT SUPPLIES INC 570 1600 Figure 23 Mounting Tray 452 3034 Page 56 of 60 ...

Page 65: ...ARTEX AIRCRAFT SUPPLIES INC 570 1600 Figure 24 ME406 Series Outline Drawing NOTE Labels on ELT are not shown Page 57 of 60 ...

Page 66: ...X 14 0 SALT SPRAY X 15 0 MAGNETIC EFFECT Z 16 0 POWER INPUT A 17 0 VOLTAGE SPIKE Z 18 0 AUDIO FREQUENCY CONDUCTED SUSCEPTIBILITY A 19 0 INDUCED SIGNAL SUSCEPTIBILITY Per DO 204 20 0 RADIO FREQUENCY SUSCEPTIBILITY H 21 0 EMISSION OF RF ENERGY XXXX 22 0 LIGHTNING X 23 0 LIGHTNING DIRECT EFFECTS X 24 0 ICING A 25 0 ESD Table 6 Environmental Qualification Environmental Categories D1XBC 204 204 XRXXFXX...

Page 67: ...rtium For a complete description go to the website at www cospas sarsat org D sub connector D shaped subminiature connectors common type of connector for small signals and electrical currents Drip loop Extra wire length used to form a U shaped bend in a wire or cable Water or other fluids will flow down to the bottom of the loop and drip off Electrical connections are made at the top of the loop E...

Page 68: ...dio Technical Commission for Aeronautics Organization that makes recommendations for airworthiness Refer to http www rtca org aboutrtca asp for more information RTV A rubbery silicon based adhesive typically used to prevent vibration problems and water intrusion STC Supplemental Type Certificate A type certificate TC issued when an applicant has received FAA approval to modify an aircraft from its...

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