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ELT ELT406GPS, Installation, Operating And Maintenance Manual

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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  

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As part of the annual/1oo hour inspections FAR 43, Appendix D the FAA guidelines include: 

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Summary of Contents for ELT406GPS

Page 1: ......

Page 2: ... ELT406 with GPS Installation Operation and Maintenance Manual Emerging Lifesaving Technologies 3211 County Road 384 Tyler TX 76708 888 406 ELT1 ...

Page 3: ...6 net Dealership information contact jim elt406 net Warranty consideration contact support elt406 net Technical help contact sam elt406 net 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 informatio...

Page 4: ... Revision Page Change Date Approval Description A 3 24 2010 J Johnson Removal of 121 5 and FAA Cospas update B 8 12 2010 J Johnson Clarification of Self Test Information ...

Page 5: ...0 Dec 2009 Page 11 Dec 2009 Page 12 Dec 2009 Page 13 Mar 2010 Page 14 Dec 2009 Page 15 Mar 2010 Page 16 Mar 2010 Page 17 Dec 2009 Page 18 Mar 2010 2 Specifications Page 19 Dec 2009 Page 20 Aug 2010 Page 21 Aug 2010 Page 22 Aug 2010 3 Functional Operations Page 23 Dec 2009 Page 24 Aug 2010 Page 25 Aug 2010 Page 26 Aug 2010 4 Registration Page 27 Dec 2009 Page 28 Dec 2009 Page 29 Dec 2009 Page 30 De...

Page 6: ...age 45 Dec 2009 Page 46 Dec 2009 Page 47 Dec 2009 Page 48 Dec 2009 Page 49 Dec 2009 6 Testing Page 50 Dec 2009 Page 51 Aug 2010 Page 52 Aug 2010 7 Instructions for Continuing Airworthiness ICA Page 53 Aug 2009 Page 54 Dec 2009 Page 55 Mar 2010 Page 56 Mar 2010 Page 57 Dec 2009 Page 58 Dec 2009 Page 59 Dec 2009 Page 60 Mar 2010 8 Special Canadian Maintenance Requirements ICA Page 61 Mar 2010 Page 6...

Page 7: ...ec 2009 Appendix C Page 72 Dec 2009 Page 73 Dec 2009 Page 74 Dec 2009 Page 75 Dec 2009 Page 76 Dec 2009 Page 77 Dec 2009 Page 78 Dec 2009 Page 79 Dec 2009 Page 80 Dec 2009 NOTE Appendix C is maintained by Cospas Sarsat and may be changed without notice See their website at http www itu int cgi bin htsh glad cga_mids sh Appendix D Page 81 Mar 2010 Page 82 Mar 2010 ...

Page 8: ...3 Activation 20 2 4 Temperature 21 2 5 Aircraft Power Requirements 21 2 6 Mechanical Characteristics 21 2 7 Electrical Characteristics 21 2 8 Coaxes 22 2 9 Minimum Wiring Requirements 22 3 Functional Operations 3 1 Accuracy 24 3 2 Remote Switch Operation 25 3 3 Operation 25 3 4 Self Test Mode 25 3 5 Programming 26 3 6 Certification 26 4 Registration 4 1 Cospas Sarsat Registration 28 4 2 Warranty R...

Page 9: ... or Fabric Aircraft 36 5 4 Antenna Mounting 37 5 4 1 Metal Aircraft 38 40 5 4 2 Composite or Fabric Aircraft 41 42 5 5 Mount Remote Switch 43 5 6 Optional Audio buzzer Installation 44 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...

Page 10: ...8 1 Performance Test 60 8 2 Frequency Test 61 8 3 Peak Power Test 61 8 4 Message Verification 62 8 5 Corrosion Test 62 8 6 Battery Replacement 63 8 7 Audio Modulation 64 8 8 Current Draw 64 8 9 Automatic Activation Systems Check 64 8 10 Digital Message Verification 65 8 11 Documentation of Inspection 65 8 12 Special Shipping Instructions 65 9 Instructions for Continuing Airworthiness ICA Other Cou...

Page 11: ...o COSPAS SARSAT within 100 meters world wide It is always important to check for NOTAMs along your route of flight for any situation that may be out of the ordinary Although extremely rare the US Government can turn off the GPS system selectively 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...

Page 12: ...ed in a joint effort by the United States Canada and France In the United States the SARSAT system is under the authority of the National Oceanic and Atmospheric Administration NOAA which is a part of the U S Department of Commerce For more information visit http See Figure 1 1 provided by Cospas Sarsat for more information 1 2 Application The 406ELT is an AF automatic fixed emergency locater tran...

Page 13: ... 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 ELT Remote Switch Figure 1 1 provided by Cospas Sarsat ...

Page 14: ...ds introduced by use of the non TSO d functions have been noted or anticipated None of these functions change any of the TSO d functions of this unit The system has been designed to ensure that any inputs whether shorts or opens in the harness or any effect of electrostatic discharge ESD and connections to 28V or ground can cause the unit to fail from automatic activation The only exception is the...

Page 15: ... 1 4 Parts List Model Number Description Part Number ...

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Page 19: ... box and inspect for any physical damage Notify the shipper and dealer immediately if it is determined that the unit might have been damaged in transit If the LED flashes at the beacon then reset the G Switch by pressing the TEST RESET button once The Beacon will automatically return to an ARM state The light should go out 1 7 Special Shipping Instructions If for any reason this unit must be shipp...

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Page 21: ...l alert will go off every 5 seconds Fault Indications Color Flashes Disposition Green Continuous Flashing ELT Transmitting Red 2 Antenna Fault See Appendix D for Troubleshooting Tips Each flash has duration of second See Trouble shooting guide Appendix D for details 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 accelerome...

Page 22: ...te that has been especially designed for Emerging Lifesaving Technologies With this design the 406ELT far exceeds the minimum performance standards It has a base unit that is made of the same material and is secured to the base plate using a Velcro material This allows for easy removal and reinstallation 2 7 Electrical Characteristics The 406 ELT will work without any outside inputs A remote switc...

Page 23: ...enerally no PVC wiring or off the shelf phone cords meet the requirements found in AC43 13 1B 2A They must be strong enough and have the durability to withstand normal operations A minimum of 19 strands is required and to be made of a material that does not produce excessive line loss and be on the Qualified Products List Emerging Lifesaving Technologies requires the wires meet the current FAA req...

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Page 25: ...software allows the GPS to be updated every second and that information is cached for analysis and trend monitoring This allow for any nominal signal information that is out of norm to be discounted and thereby insuring a high degree of reliability 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...

Page 26: ...t modes There are two separate and distinct self tests The first is a Systems Self Test and the second is a GPS Self Test Using the remote the pilot can initiate either test The remote is equipped with an ON ARM RESET Test switch a tri color red yellow green LED and an aural alert The self tests will indicate go no go status Caution THESE TESTS SHOULD ONLY BE DONE ON THE GROUND The system has been...

Page 27: ...ber Tail Number 24 Bit Aircraft Address Aircraft Operator Designator Serial Number Latitude and Longitude All countries may not accept the same protocols Check with your local authorities for their specific protocol regimens For a complete discussion of ELT programming protocols please see COSPAS SARSAT documents G 005 and T 001 available at www cospas sarsat org Contact your dealer or the manufac...

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Page 29: ... Warranty Activation Name ____________________________________ Date _______________ Address ______________________________________________________ _____________________________________________________ Phone _________________________ E Mail ________________________ Aircraft Make ____________________ Model ________________________ N Number ______________________ Total Time_____________________ Model...

Page 30: ... including any 337 or STCs 4 4 Weight and Balance Report You must modify your weight and balance anytime equipment is removed or new equipment is installed Load the disc that comes with this unit and you will be prompted to complete this form supplied by Emerging Lifesaving Technologies This form meets the basic requirements of AC 43 13 Acceptable Methods Techniques and Practices Aircraft Alterati...

Page 31: ... appropriate Aviation Authority in your country Your beacon must have your country s prefix programmed into the message The label on the top of the unit will state the country code If your country code is not on that label do not install until re programming has been completed 4 8 Log Book Entry An entry in the permanent aircraft records is required when an ELT is installed The entry should includ...

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Page 33: ...titutes a major or minor alteration In most installations in non pressurized areas ELTs and their antenna systems are not considered a major alteration by the FAA 5 2 Special Considerations Care must be made in planning the installation on any new piece of equipment on the aircraft The control switch should be mounted in a location that is easily accessible to the pilot during normal operations Th...

Page 34: ...4 hours required by the FAA In addition the PC board is mounted on shock absorbers and all loose wires and connections are sealed with a potting compound to reduce failures Emerging Lifesaving Technologies has tested far and above the minimum requirements and all of our units are capable of being installed in any aircraft or helicopter Our blade antennas are both vertically and horizontally polari...

Page 35: ...or fusible link to protect the wire harness and the integrity of the aircraft s electrical system Detailed information can be found in AC 43 13 Acceptable Methods Techniques and Practices Aircraft Alterations 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...

Page 36: ...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 The mounting location must conform to the requirements of RTCA DO 204 and AC 43 13 DO 204 Sec 3 1 8 reads The ELT shall be mounted to primary aircraft load carrying structures such as trusses bulkheads longerons spars or floor beams not aircraft skin The mounts ...

Page 37: ...mplate has been provided to lay the basic hole pattern for installation Make sure the pattern is laid out to ensure the forward mark is pointing toward the nose of the aircraft Mark and drill four mounting holes using a 20 drill bit Install the mounting tray Use the 8 32 X 5 8 screws and fasteners provided 5 3 3 Helicopter Installations As with any installation it is important to adhere to all hel...

Page 38: ...internal GPS antenna and must have an unobstructed view of the GPS satellite constellation It should be mounted vertically and not be shadowed by other structures such as larger antennas propellers or tail surfaces RTCA DO 204 Section 3 1 10 and RTCA DO 183 Section 3 1 10 give the following guidelines Locate the antenna at least 30 inches 75 cm away from other antennas wires vertical stabilizer et...

Page 39: ... all surfaces of any debris before continuing Small metal chips or other foreign items can keep the antenna from properly seating to the fuselage The antenna requires a ground plane of at least 300 square inches This can be achieved on metal aircraft if the surface is sufficiently clean of paint dirt or any oils to meet these requirements Since the antenna uses a pin based mounting system it is on...

Page 40: ... This information is supplied as This information is supplied as approved data data ...

Page 41: ...tions follow AC 43 13 provides additional guidance for antenna installations This information is supplied as approved data ntenna installation instructions follow AC 43 13 provides additional guidance for ntenna installation instructions follow AC 43 13 provides additional guidance for ...

Page 42: ...nductive materials such as composite materials or fiberglass a ground plane must be One method is to install the antenna inside the fuselage The signal will radiate through the fabric It is important however to choose the location carefully The same restrictions not shadowing or masking the signal by metal obstructions still apply Aircraft structures such as tubing or ribs do not generally constit...

Page 43: ...Depending te it is acceptable to mount the antenna on the surface Care should be taken to ensure the structural integrity of the site and an electrical ground plane must be In order to achieve the proper size ground plane it is important to have radial conductive material from the antenna mounting point at least 24 inches in every direction Eight 8 radials will be sufficient See the example in AC ...

Page 44: ...el or any other location that is easily accessible to the pilot The shape and size is consistent with many other ELT models The unit can be mounted vertically or horizontally Two decals are included in the install kit which will allow you to mount the controller either way 1 73 center to center 1 04 2 00 1 3 0 150 Mounting Hole 1 62 1 45 Mounting Hole Pattern Panel opening ...

Page 45: ...ent 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 See aircraft wiring for details The optional buzzer must be installed in such a manner as to be structurally sound and meet the same criteria as any other item installed on an aircraft ...

Page 46: ... must be on the Qualified Products List Emerging Lifesaving Technologies requires the wires meet the current FAA requirements We require that the wire be Mil Spec 22759 24 or MIL W 16878 or M27500 or their commercial equivalent Either 24 or 22ga is acceptable An eight 8 conductor bundled wire of Mil Spec 22759 18 24 is also acceptable All aircraft wiring must adhere to the aircraft manufacturer s ...

Page 47: ... 5 7 1 Harness Wiring Basic 406 ELT ...

Page 48: ... 5 7 2 Harness Wiring 406 ELT With GPS 406 ELT With GPS ...

Page 49: ... 5 7 3 Basic Wiring w GPS and External Buzzer 5 7 3 Basic Wiring w GPS and External Buzzer ...

Page 50: ...d in any way If the cables are not of sufficient length for your application please contact customer service for further instructions Coaxes should never be bent at 900 angles You can stow extra harnesses by coiling the coax in rings of no less than a 6 diameter Avoid over tightening clamps or tie wraps as this will change the electrical characteristics of any coax See AC 43 13 1B Chapter 11 ...

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Page 52: ... an aural alert These self tests will indicate go no go status Caution THESE TESTS SHOULD ONLY BE DONE ON THE GROUND The system has been designed to restrict continuous self testing Once a self test has been activated the microprocessor restricts any further activation until the appropriate wait time of one minute has been achieved Caution The life of the battery has been computed to give maximum ...

Page 53: ...art See the Systems Self Test fig 16 and GPS fig 17 in sec 6 1 for fault test charts 6 3 Transmitter Test The 406 037 frequency is tested by using the self test feature on either the front switch or the remote switch Unit status can be measured by the indication of light flashes See Sec 6 1For details A troubleshooting guide in App D is available Only one self test can be accomplished at a time Th...

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Page 55: ... 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 As part of the annual 1oo hour inspections FAR 43 Appendix D the FAA guidelines include ...

Page 56: ...mum of 36 hours of normal operations is still available Only Emerging Lifesaving Technologies approved batteries with the appropriate stickers can be used in Emerging Lifesaving Technologies ELTs See section 4 4 1 for battery replacement and section 6 1 for self test Batteries Must be Replaced After use of the ELT in an emergency After an inadvertent activation of unknown duration When the cumulat...

Page 57: ...uld not allow moisture or most chemicals or fluids to infiltrate the system Regular annual inspections should be made of the outside of the units While it is very unlikely IF ANY deterioration or corrosion is found a more detailed inspection is warranted Return the unit to the manufacturer for inspection Special Inspection during Battery Replacement During routine battery replacement an inspection...

Page 58: ... the unit you must first install the shipping plug to insure the system is not activated during maintenance Unscrew the bottom cover marked Replacement Battery and install the new battery unit A two pin Quick Disconnect Plug makes installation easy Replace the gasket with the new one that will be provided NO SPECIAL TOOLING IS REQUIRED The quick disconnect will not allow for the polarity of the ba...

Page 59: ...orward motion that comes to an abrupt stop football pass method will usually set off the G switch The antenna must be installed during this procedure The unit will go into fault mode as indicated by rapid green light on the unit if it is activated with a 50 ohm load applied or an antenna installed Always check to insure the green light comes on and then reset the unit within 30 seconds of the test...

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Page 61: ...rs 8 1 Performance Test To ensure the SAR system is not activated these tests should be done in such a manner that no radiated signal escapes Use of an RF screen roomor attenuator chamber is required A WST tester or equivalent is required All 406 ELTs that are installed in Canadian aircraft require a performance test during the annual maintenance A performance test must be done by a ratings certif...

Page 62: ...MHz signal for accuracy The frequency tolerance is 001Mhz 8 3 Peak Power Test To ensure the SAR system is not activated these tests should be done in such a manner that no radiated signal escapes Use of an RF screen room or attenuator chamber is required A WST tester or equivalent is required Measure the output power after 3 minutes of operation The use of a WST tester or a suitable Spectrum Analy...

Page 63: ...ide to allow GPS to receive GPS satellite information Install test coax from transmitter to test set Turn on aircraft power and allow GPS 10 minutes to stabilize 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 Verify that the information being transmitted matches information on the tag Country Code Hex Code Verif...

Page 64: ... 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 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 wit...

Page 65: ...tates e a test of the automatic activation system Emerging Lifesaving Technologies provides instructions to activate the G Switch for test purposes A rapid forward motion that comes to an abrupt stop football pass method will usually set off the G switch The antenna must be installed during this procedure The unit will go into fault mode as indicated by rapid green light on the unit if it is activ...

Page 66: ...t are not limited to Power Output Frequency Stability GPS Information for Accuracy Hex Coding Country Coding See Section 8 4 for details on this test 8 11 Documentation of Inspection All maintenance performed on aircraft or their sub systems must be documented in the appropriate records See the applicable CARs for the format and sign off of these records 2 8 12 Special Shipping Instructions If for...

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Page 68: ...ation Authority in that country for guidelines and documentation needed to assure proper registration 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 24 Bit Aircraft Address Owner ...

Page 69: ... Coax Connector BNC is the type of connector used to attach the 406 transmitter to the 406 antenna MHz CAR Canadian Aviation Regulation Transport Canada s rules for aircraft modifications and airworthiness CFR Code of Federal Regulations The library of rules and regulations for all US rules and regulations Title 14 is specific to aviation COSPAS SARSAT International search and rescue consortium Fo...

Page 70: ...etrofit To remove old systems and install ones in their place RMI Radio Magnetic Interference Electrical noise generated by Radio Frequencies that are transmitted into other electronic devices RF Radio Frequency The energy that is transmitted from the device RTCA Radio Technical Commission for Aeronautics US agency that sets standards for airworthiness See SAR Search and Rescue The system usually ...

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Page 82: ...5 Green Flashing Lights 406 test good Valid GPS data encoded No further action is required 5 Yellow Flashing Lights 406 test good Default GPS data encoded No further action is required 2 Red Flashes 406 Antenna Failure Check to insure antenna cable is properly connected Insure the ground plane is of sufficient size Reinstall Cable Check for corrosion around the antenna and re establish a good bond...

Page 83: ...ng are installed properly and the antenna or 50 ohm load has been installed Aural Alert Constant beeping The aural alert only goes off when the beacon has been activated and the ELT is transmitting Reset the unit by pressing TEST RESET once If the green light stays on disconnect the ELT harness and try to reset at the unit If the system does not reset install shipping strap and return to manufactu...

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