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ELT ELT406GPS Installation, Operating And Maintenance Manual

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Summary of Contents for ELT ELT406GPS

  • Page 2: Title Page

      ELT406 with GPS Installation, Operation and Maintenance Manual Emerging Lifesaving Technologies 3211 County Road 384 Tyler, TX 76708 888.406.ELT1  ...

  • Page 3: Contact Page

    © © EMERGING LIFESAVING TECHNOLOGIES: This document is the property of Emerging Lifesaving Technologies (ELT) and contains proprietary and confidential information. This document is available on the express condition that neither the document itself nor the information contained therein shall be disclosed, duplicated and distributed without the express written consent of Emerging Lifesaving Technologies.

  • Page 4: List Of Revisions

      Revision Page Change Date Approval Description 3/24/2010 J Johnson Removal of 121.5 and FAA/Cospas update 8/12/2010 J Johnson Clarification of Self Test Information  ...

  • Page 5: List Of Effective

      List of Effective Pages Title Page Dec 2009 Contact Page Dec 2009 List of Revisions Aug 2010 List of Effective Pages Aug 2010 Table of Contents Dec 2009 1. Introduction and Description Page Dec 2009 Page Dec 2009 Page Dec 2009 Page...
  • Page 6   5. Typical Installation (United States) Page Dec 2009 Page Dec 2009 Page Mar 2010 Page Mar 2010 Page Dec 2009 Page Mar 2010 Page Mar 2010 Page Dec 2009 Page Dec 2009 Page Dec 2009 Page Dec 2009 Page Dec 2009 Page...
  • Page 7   9. Instructions for Continuing Airworthiness (ICA) Other Countries Page Dec 2009 Appendix A Page Dec 2009 Page Dec 2009 Appendix B Page Dec 2009 Page Dec 2009 Appendix C Page Dec 2009 Page Dec 2009 Page Dec 2009 Page Dec 2009 Page...

  • Page 8: Table Of Contents

      Table of Contents Title Page………………………………………………………………………………………..1 Contact Page…………………………………………..……………….………………………… 2 List of Revisions …...…………………………………………………………………………….3 List of Effective Pages ……………………...…..………..……………………………………. 4-6 Table of Contents…………………………………...………………………………………….. 7-9 1. Introduction and Description 1.1 Basic Information........................11 1.2 Application........................11-12 1.3 System Description........................ 13 1.4 Parts List………………………………………………………….…..………………..14-17 1.5 Weights ...……………………………………………………...………………………...
  • Page 9 5.7 Aircraft Wiring........................45 5.7.1 Basic Wiring 406 ELT…………………………………………..…….…..………...…... 46 5.7.2 Basic Wiring 406 ELT with GPS………………………………........…... 47 5.7.3 Basic Wiring 406 ELT with GPS and External Buzzer………………………….………. 48 5.7.4 Connect RF Coaxial Cable ……………………………………………………...….……. 49 6 Post Installation Testing 6.1 Self-Test..........................
  • Page 10   7. Instructions for Continuing Airworthiness (ICA) 7.1 Regulations . .. …………………………………………………..……….………………. 54 7.2 Battery Service........................54 7.3 Monthly Test.......................... 55 7.4 Annual Test ……………………………………………….……………….………….……. 56 7.5Corrosion..........................56 7.6 Battery Replacement......................57 7.7 Battery Disposal........................57 7.8 Digital Message Verification…………………………………………………. ……………...
  • Page 11 Caution should be taken to ensure that there are no NOTAM concerning degraded or inoperable GPS service during your proposed flight. In the advent of loss of GPS signal, the 406 portion of the ELT will continue to operate as normal.

  • Page 12: Basic Information

    551.104 applies. Each country has their own requirements and you should contact the local authority for specific details in returning the aircraft to service. ELT406GPS has met or exceeded the minimum performance standards required for TSO approval. A TSO (Technical Standard Order) provides minimum standards of operation and safety for any given item.
  • Page 13 The TSO was issued to the ELT406 w/GPS as a system and this system was designed, tested and certified as a unit. All four components are required to meet the TSO. Substitution of any part is strictly prohibited. They will include in some variant: • ELT Transmitter w/ Integral Battery • ELT Mounting Tray • ELT Antenna •...

  • Page 14: System Description

     1.3 System Description ELT406GPS PN 51220-()products are type AF (automatic fixed beacons) and are equipped with an internal GPS; Helicopter models PN 51220-H42 are equipped with a 5 axis G-switch module that allows the ELT to be activated in a multi axes.

  • Page 15: Parts List

      1.4 Parts List Model Number Description Part Number               ...
  • Page 16                                   ...
  • Page 17                                   ...
  • Page 18              ...

  • Page 19: Weights

      1.5 Weights Nomenclature Part Number Weight ELT406GPS 51220-() 2.7 lbs Universal Mounting Plate 217-406-062 .34 lbs Remote Switch 816-59-06 .15 lbs 406 with GPS Antenna 114-042-() .85 lbs Replacement Battery 217-406-001 1.2 lbs Typical System Total Weight 4.04 lbs Note CG is measured in inches from the front of the box to the center of gravity of the item.
  • Page 20   This Page is Intentionally Blank  ...

  • Page 21: Specifications 2.1 Operating Frequencies

    ON, ARM, TEST/RESET switch, a tri-color (red/yellow/green) LED, and an aural alert. With this remote you can run the ELT self-test, GPS Self-Test or activate the unit in flight if conditions warrant. The unit’s LED will flash green every ½ second and the aural alert will go off every 5 seconds.

  • Page 22: Temperature

    Velcro material. This allows for easy removal and reinstallation. 2.7 Electrical Characteristics The 406 ELT will work without any outside inputs. A remote switch is installed to give the pilot control of the unit from the cockpit. Additionally, a 1 amp circuit should be installed to operate the GPS.

  • Page 23: Coaxes

     2.8 Coaxes A coax is supplied with each 406 ELT with BNC fittings. They are pre-made and are (6) six feet in length. This is considered to be the optimum length. Excess should be stored as prescribed in AC43.13-1B/2A. If you require longer coaxes please contact the manufacturer.
  • Page 24   This Page is Intentionally Blank  ...

  • Page 25: Accuracy

    Every15 seconds the ELT buffer is updated with the latest combined data. After the first burst the data is only updated each 5 minutes per Cospas/Sarsat requirements.

  • Page 26: Remote Switch Operation

      3.3 Operation In the event of a crash the unit has an automatic activation accelerometer or G-Switch. With a change of 4.5ft./sec (2.3G), the accelerometer senses the dramatic decrease in speed and activates the 406 transmitter. In the case of a helicopter unit it has a multi-axis accelerometer to compensate for the different attitudes of flight that might occur.

  • Page 27: Programming

    ELT.  The 406 ELT and all its variants are pre-programmed at the factory during the manufacture. The programming includes the use of the long message format. All units are delivered with STANDARD LOCATION PROTOCOL. This allows for additional information to be transmitted to Cospas Sarsat.
  • Page 28   This Page is Intentionally Blank  ...

  • Page 29: Registration

    _____________________________________________________ Phone _________________________ E-Mail ________________________ Aircraft Make ____________________ Model ________________________ N-Number ______________________ Total Time_____________________ Model Number ___________________ Serial # _______________________ ELT Hex code __________________________________________________ Name of Installer _______________________________________________ Organization __________________________________________________ Certification ___________________________________________________ Phone ________________________ E-Mail __________________________ A confirmation copy of your registration will be sent to you. Please retain for your records.

  • Page 30: Faa Form 337

    FAA website and fill out the form. See  This website is generic in nature and does not contain any pertinent data for an ELT installation. All information in the manual is considered to be “acceptable data” for the completion of all FAA documents, including any 337 or STCs.

  • Page 31: Canadian Registration

    See your local aviation governing authority for guidance on record keeping. 4.9 Special Programming Check the top of the ELT to insure the country code that matches the country of registry. See appendix C to verify code. ...
  • Page 32   This Page is Intentionally Blank  ...

  • Page 33: Introduction To Installation

    “Those who fail to plan, plan to fail”. 5.2.1 Survivability It has been reported by different agencies that an estimated 30 - 70% of all ELT’s have failed during a real emergency. The reasons vary and no real long-term study has ever been done but here are some of the causes most often cited: Aircraft hits too hard.
  • Page 34   flashlight batteries and have little if any shock resistant capabilities. Other batteries have solder tabs that seem to fail in the 3 to 4g range. Still others have deteriorated over time without any warning to the flight crew. Emerging Lifesaving Technologies uses only welded-tab batteries and our internal tests show survivability over 500g.

  • Page 35: Electrical Paths

    Specifically, Chapter 11 sec 3 Para. 11-36, and sec 4 Para. 11-47 thru 11-52 Changes to the electrical load require that an appropriately rated individual perform the analysis and make the needed connections to the ship’s power distribution network. If possible, the ELT circuit breaker should be connected to the Avionics Buss.

  • Page 36: Elt Mounting

    Practices – Aircraft Alterations), specifically, Chapter 1 and 2 to determine if the structure meets the latest approved data. In order to ensure a high rate of survivability it has been determined that the ELT must meet the current guidelines for loading in all three axes.

  • Page 37: Composite Or Fabric Aircraft

    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.

  • Page 38: Antenna Mounting

    (Pressurized areas, structural changes, etc.) It is important for the installer to determine if this change constitutes a major or minor alteration. In most installations in non-pressurized areas ELT and their antenna systems are not considered a major alteration by the FAA.

  • Page 39: Metal Aircraft

    .843” .200 mounting Emerging Lifesaving Technologies .500 GPS Antenna 2.400” .875 406 ELT with GPS Antenna Template DWG #901021 Rev 0 Date Dec. 2009 Drawn by: Seth Bradley Approved by : Johnny Johnson .750 406 ELT Antenna General Manager Determine the size and location of the doublers. If the antenna installation is to be made in a pressurized area then sealant is required.
  • Page 40     This information is supplied as This information is supplied as approved data. data.  ...
  • Page 41     This information is supplied as approved data. This information is supplied as approved data. Specific antenna installation instructions follow. AC 43.13 provides additional guidance for ntenna installation instructions follow. AC 43.13 provides additional guidance for ntenna installation instructions follow. AC 43.13 provides additional guidance for antenna installations.

  • Page 42: Composite Or Fabric Aircraft

        5.4.2 Composite or Fabric Aircraft 5.4.2 Composite or Fabric Aircraft The antenna requires a ground pla The antenna requires a ground plane of at least 300 square inches. On aircraft constructed with 00 square inches. On aircraft constructed with non-conductive materials, such as composite materials or fiberglass, a ground plane must be conductive materials, such as composite materials or fiberglass, a ground plane must be conductive materials, such as composite materials or fiberglass, a ground plane must be...
  • Page 43     Due to the size of the antenna, it is questionable if mounting on fabric is a good idea. Depending , it is questionable if mounting on fabric is a good idea. Depending , it is questionable if mounting on fabric is a good idea. Depending on the type of composite it is acceptable to mount the antenna on the surface.

  • Page 44: Mount Remote Switch

    The pilot’s controller (remote switch) is designed to give the pilot control over the functions of the ELT. It should be installed on the instrument panel or any other location that is easily accessible to the pilot. The shape and size is consistent with many other ELT models.

  • Page 45: Optional Audio ("Buzzer") Installation

      5.6 Optional Audio (“Buzzer”) Installation An aural alert has been installed in the controller to alert the aircrew in the event of the activation of the G-Switch. If desired or required this internal alert may be de-activated and an external unit can be installed.

  • Page 46: Aircraft Wiring

      5.7 Aircraft Wiring We do not recommend or approve of anything other than wiring that is approved for certified aircraft. If a previous installation used PVC or telephone wire it is not acceptable to re-use those harnesses for this installation. Generally, no PVC wiring or off-the-shelf phone cords meet the requirements found in AC43.13- 1B/2A.

  • Page 47: Basic Wiring 406 Elt

       5.7.1 Harness Wiring – Basic 406 ELT                        ...

  • Page 48: Basic Wiring 406 Elt With Gps

        5.7.2 Harness Wiring – 406 ELT With GPS 406 ELT With GPS                      ...

  • Page 49: Basic Wiring 406 Elt With Gps And External Buzzer

        5.7.3 Basic Wiring w/ GPS and External Buzzer 5.7.3 Basic Wiring w/ GPS and External Buzzer                     ...

  • Page 50: Connect Rf Coaxial Cable

      5.7.4 Connect RF Coaxial Cable Coaxes have been supplied with the installation kit. It is critical to the function and accuracy of this unit that both the 406 and the GPS signals are not impeded in any way. If the cables are not of sufficient length for your application please contact customer service for further instructions.
  • Page 51   This Page is Intentionally Blank  ...

  • Page 52: Post Installation Testing

    Systems Self Test Color Flashes Disposition Yellow ELT Test Good GPS Default Data encoded Battery Odometer less than 36 hours Transmitter Chain Failure Antenna Fault 1 No external power applied 2 Press the Test button twice for one second each and release 3 The switch will return to the ARM position.

  • Page 53: Transmitter Test

    Battery Odometer less than 36 hours Transmitter Chain Failure Antenna Fault 1. Apply External Power to ELT 2. Move the aircraft to a location that has clear access to the GPS signal 3. Allow 10 minutes to acquire a GPS signal.
  • Page 54   This Page is intentionally Left Blank  ...

  • Page 55: Instructions For Continuing Airworthiness (Ica)

      7. Instructions for Continuing Airworthiness and Maintenance The following are considered to be minimum requirements and shall be supplemented by the owner/operator, aircraft manufacturer, and the local aviation authority as they deem necessary. 7.1 Regulations The minimum FAA standards for annual inspection are found in FAR 91.207(d) which states ...

  • Page 56: Monthly Test

    Emerging Lifesaving Technologies 406 ELT batteries have a life limit. That limit (or replacement date) is marked on the outside of the battery pack and a sticker is supplied for the aircraft records. The type, make, model of ELT, the battery chemistry, and the expiration date are indicated on the battery pack.

  • Page 57: Annual Test

     7.5 Corrosion Inspection Emerging Lifesaving Technologies ELT is designed and tested to the highest environmental testing standards. The unit is made out of a specially designed polycarbonate that is resistant to the harshest applications in aviation today. The unit is sealed and should not allow moisture or most chemicals or fluids to infiltrate the system.

  • Page 58: Battery Replacement

    All batteries should be replaced in the event of any one of the following: • After use of the ELT in an emergency; • After an inadvertent activation of unknown duration; • When the cumulative time of all known transmissions exceeds one hour; and, •...

  • Page 59: Antenna Inspection

      It is highly recommended to check the digital format on the initial installation of the unit. This is done with the use of a WST or equivalent tester. There are no requirements for annual retest of this information. 7.9 Antenna Test It is highly recommended to check the antenna for proper operation on the initial installation of the unit.
  • Page 60         This Page is Intentionally Blank  ...

  • Page 61: Special Canadian Maintenance Requirements (Ica)

      8. Special Canadian Maintenance Requirements NOTE: Canada requires the following checks during the annual inspection. These tests use the internal battery and should be limited to 12 a year. The unit has a battery that has an optimal life of 110 hours of use.

  • Page 62: Frequency Test

    Measure the output power after 3 minutes of operation. The use of a WST tester or a suitable Spectrum Analyzer is required. Use a suitable impedance matching device and/or attenuator in line with the ELT • Check to ensure the 406 MHz signal bursts approximately every 50 seconds •...

  • Page 63: Message Verification

    • This test is performed without external power being applied • Install test coax from transmitter to test set • Turn on the 406 ELT by cycling local or remote switch from ARM to ON • After first burst reset system by pressing the reset button once.

  • Page 64: Battery Replacement

    The internal battery clock will indicate during self-test if a minimum of 36 hours of normal operation is still available. The type, make, model of ELT and the expiration date is indicated on the battery pack. Only Emerging Lifesaving Technologies approved batteries with the appropriate sticker can be used in Emerging Lifesaving Technologies ELTs.

  • Page 65: Audio Modulation

    There is no audio modulation check available to the 406 only units. 8.8 Current Draw Check Remove ELT from aircraft and remove battery. Install test adapter P/N 217-406-005 at the quick disconnect. Check the following: In the ARM position the current draw does not exceed  2uA.

  • Page 66: Digital Message Verification

      8.10 Digital Message Verification The FAA does not require this check under FAR 91.207d but it is highly recommended that at the initial installation all units are checked. In Canada this test is mandatory. During the INITIAL tests Emerging Lifesaving Technologies strongly recommends that a complete and comprehensive test be done using a WST or equivalent.
  • Page 67   This Page is Intentionally Blank  ...

  • Page 68: Instructions For Continuing Airworthiness (Ica) Other Countries

    406ELTs are programmed with the country code in which the aircraft has been registered. Always follow the national procedures. The correct information for registering the radio transmitter may require including the following information:  Serial Number of ELT  Tail Number ...

  • Page 69: Appendix A Glossary Of Terms

    Aural Alert 85db signal to alert the crew if G-Switch activation has triggered the 406 ELT Automatic Fixed Type of ELT that is designed for aviation use American Wire Gauge Look for this in front of a wire size number...
  • Page 70 Sub-D Sub-miniature electrical connector Used for electrical interface between the ELT and remote switch (looks like a D) Technical Standard Order The Federal Aviation Administration issues TSOs to indicate approval of a manufactured item for use on aircraft.

  • Page 71: Appendix B Environmental Testing

      Appendix B                                     ...
  • Page 72                                         ...

  • Page 73: Appendix Ccountry-Code Index

      APPENDIX C COUNTRY-CODE Index                                   ...
  • Page 74                                         ...
  • Page 75                                         ...
  • Page 76                                         ...
  • Page 77                                         ...
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  • Page 79                                         ...
  • Page 80                                         ...
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  • Page 82: Appendix D Troubleshooting Guide

    Large arrays of tests were performed during the manufacturing and certification process of each unit. The use of the Self-Test feature will help identify any aircraft maintenance that will maintain the airworthiness of the ELT. Indication...
  • Page 83 TEST/RESET once. If the been activated and the ELT green light stays on disconnect is transmitting the ELT harness and try to reset at the unit. If the system does not reset install shipping strap and return to manufacturer for repair.

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