ME-183 NAV INTERFACE Description, Operation
Contents
1. DESCRIPTION INSTALLATION OPERATION AND MAINTENANCE MANUAL ME 183 NAV INTERFACE 453 0012 Document No 570 0001 Rev Cobham Avionics Artex Products Artex Aircraft Supplies Inc doing business as Cobham Avionics 14405 Keil Road NE Aurora Oregon 97002 USA Phone 503 678 7929 Fax 503 678 7930 E mail info artex net www artex net LIST OF AFFECTED PAGES DATE REMONFORCMNGE Ome onw 5 o8 70 o8 o9 00 ow Dems 9 m SS Page 2 of 21 REVISION HISTORY REVISION ENGINEERING CHANGE ORDER DATE 0409 3 of 21 TABLE OF CONTENTS 1 INTRODUCTION 5 Rn a Aa NerRURa E UP 5 Il SSYSTEMPSJADVANIEAGES ture it t tur D SUED E Cels ee Oe Ree D M EE DE 5 1 2 SYSTEM DESCRIPTION Ope esse a te ue cette 6 1 3 OPERATIONAL OVERVIEW xe emu EE exe E reden a evo tunes ieu crate deles ceu dus eS er PERENNI GE PU Deis Ns 6 t4 Ger qui ERRAT TU UT 7 2 INTEGRATION 20 a ees a casae cua a aa 8 eis DATAOUTPUTIREOUIREMENTS cr beca eror Ca pa bei Oria 8 2 2 NMEA 0183 SENTENCE STRUCTURE REQUIREMENTS e coenae nnne armari are2. Exc dois dU a ew Ed 20 TABLE 7 2 COMMUNIGATIONS SPECIFICATIONS 359000092900 E DOCS od 20 Page 4 of 21 1 INTRODUCTION This manual provides description installation operation and maintenance information for the ME 183 NAV Interface ME 183 NAV The ME 183 NAV relays latitude and longitude position data to the ELT for incorporation into the 406 MHz Search and Rescue SAR Satellite message The ME 183 NAV is designed as a retrofit accessory for Artex ME406 Series ELT installations 1 1 System Advantages An ME406 ELT system with the ME 183 NAV interface retrofit kit installed contains a number of significant advantages over older technology ELT systems e Greater Position Accuracy Figure 1 1 e Position Data from a Single Beacon Transmission No Aircraft Power power derived from GPS data output YELLOW AREA Two Frequency Beacon 121 5 and 243 0 MHz Location Accuracy 20 km Search Area 1260 ORANGE AREA Three Frequency Beacon 121 5 243 0 and 406 025 MHz Location Accuracy 3 km Search Area 28 km BLACK DOT Three Frequency Beacon with Navigation Interface Location Accuracy 0 1 km Search Area 0 031 km Figure 1 1 ELT Systems Accuracy Comparison Page 5 of 21 1 2 System Description 1 3 The ME 183 NAV integrates with existing equipment as illustrated in Figure 1 2 GPS RECEIVER NMEA 0183 C
3. aa Eva Pose Pus peti bie UE CUR 17 6 PERIODIC MAINTENANCE a tenwenersscsaseuute 18 1 INSPECTION a 18 ERREUR 18 7 SPECIFICATIONS AND 19 7 1 ENVIRONMENTAL REQUIREMENTS AND SPECIFICATIONS cccseceeceeceeccuveeecauvanecauvanevanteanvanteaneanvanteanys 19 7 2 PHYSICAL SPECIFICATIONS DE E EI OE 20 COMMUNICATIONS SPECIFICATIONS 20 JR APR ROWS MEER 21 TABLES TABLE 4 1 ME 183 NAV INSTALLATION KIT PARTS LIST ccccscccccccccsuceeeccnssueeeeecnueguueeeeeeneuaeeeeneguneeeeennaunnneys 10 TABLE 541 ME400 ELT SELF TEST ERROR CODES wk Dna in a ERAT ul cd 16 TABLE 7 1 RTCA DO 160F ENVIRONMENTAL QUALIFICATION REQUIREMENTS c esee nennen nennen nnns 19 TABLE 7 2 ENVIRONMENTAL SPECIFICATIONS 20 TABLE 5 3 C PHYSICAE SPECIFICATIONS ss
4. Artex ME406 Reprogramming Adapter 455 6600 Installation Instructions The following subsections provide installation guidelines and instructions Differences in shielded and unshielded installations are noted where applicable General Wiring and Grounding Considerations WARNING If ground or other connections are broken or otherwise damaged the ELT is still capable of automatic activation however e The remote switch may be incapable of resetting the ELT e Operation may not be indicated on the remote switch LED and or e The ME 183 NAV may not receive position data WARNING It is possible to inadvertently activate the ELT when working on the remote switch wiring harness and or installing the ME 183 NAV Always keep an AM or aircraft radio tuned to 121 5 MHz during installation such that an audible alert i e transmission sweeps can be heard immediately The following wiring and grounding considerations are applicable e Minimum 24 AWG wire size e Shielding is recommended to help prevent EMI and RF interference e Use high quality conductor meeting MIL W 16878 M22759 M27500 or a commercial equivalent acceptable for use in aircraft applications Page 10 of 21 e Make a Drip Loop in remote switch harness connection to the 183 NAV to divert moisture from the DB15 plug NOTE A drip loop is an extra length of cable formed into a U shaped bend just before the plug Water or other fluids flow down to the bo
5. and or removing and installing the ME 183 NAV Always keep an AM or aircraft radio tuned to 121 5 MHz during maintenance activities such that an audible alert i e transmission sweeps can be heard immediately CAUTION When handling the ME 183 NAV and ELT take precautions in accordance with Subsection 3 3 Electrostatic Discharge ESD Precautions Perform the following inspections 1 2 3 Remove the ME 183 NAV Inspect unit for visible damage Inspect electrical connections for corrosion bent or broken pins and other evidence of damage Check security and condition of the GPS data output connection 5 Correct any discrepancies found 6 Reinstall the ME 183 NAV Testing Perform an ELT self test in accordance with the procedure set forth in Subsection 5 1 Position data verification is optional and may be performed at the aircraft operator s discretion In order to read position data the criteria set forth in Subsection 5 2 must be met Page 18 of 21 7 SPECIFICATIONS AND APPROVALS The following subsections provide specifications and approval information for the ME 183 NAV 7 1 Environmental Requirements and Specifications Table 7 1 lists the environmental conditions testing required by RTCA DO 160F Environmental Conditions and Test Procedures for Airborne Equipment Table 7 2 provides the ME 183 NAV environmental specifications Table 7 1 RTCA DO 160F Environmental Qualification Requiremen
6. grommet away from the cable and other conductor ends such that it does not interfere with soldering the conductors to the DB15 plug 4 Strip insulation from the conductors back approximately 1 8 0 125 5 Splice the horn ground conductor to the cable shield Figure 4 1 or harness ground conductor Figure 4 3 near Pin 7 Figure 4 6 such that one conductor is terminated in Pin 7 NOTE For metal airframe installations with no conductor between Molex plug Pin 6 and DB15 plug Pin 7 the horn ground conductor and DB15 plug Pin 7 are grounded to the airframe Figure 4 2 Page 13 of 21 6 Solder a jumper between Pins 5 and 12 of the DB15 plug Figure 4 6 7 Solder the conductors into the solder cups of the DB15 plug Figure 4 6 NOTE Check conductor color coding and pin relationships noted in Subsection 0 Step 6 to ensure proper connection of the conductors Figure 4 6 DB15 Plug Pin Orientation Pin position numbering 15 identical to that inscribed on the front of the plug Fit the plug into a housing half supplied as part of the D Sub housing kit 9 Position the grommet such that it fits into the recess on the cable end of the D Sub housing with the raised collar step against the housing inside face as shown in Figure 4 7 GROMMET WA of CABLE RAISED COLLAR END p 0 HOUSING Figure 4 7 Cable Grommet Position 10 Install the bracket washers supplied as part of the D Sub housin
7. to supply position data the ME 183 NAV attempts to transmit current position data every 2 seconds however the ELT locks position data upon activation and will only accept new data if it is reset using the local or remote switch Page 6 of 21 1 4 If the data link from GPS to ME 183 NAV is lost 183 NAV holds the last known position data for 60 seconds as required by C S T 001 Specification for COSPAS SARSAT 406 MHz Distress Beacons Subsection 4 5 5 4 he ELT must be activated within the 60 second timeframe for the ME 183 NAV to transmit position data to the ELT e After the 60 second timeframe has lapsed the last known position is lost e The ELT transmits a default message if it does not receive valid position data Compatibility The ME 183 NAV is compatible with the following Artex ME406 Series ELTs e 406 ELT 453 6603 e ME406 HM ELT 453 6604 ME406P ELT 453 6611 Page 7 of 21 2 INTEGRATION This section describes GPS receiver and ME 183 NAV integration requirements Consult your navigation system manufacturers user manual to determine if data output and sentence structure formats are compatible with the following requirements The ME 183 NAV is compatible with NMEA 0183 Artex recommends the use of a dedicated GPS data output channel for the ME 183 NAV 2 1 Data Output Requirements In order to receive data the ME 183 NAV requires e Baud Rate fixed 4800 e Parity N
8. B15 plug e installation overview is shown in Figure 3 1 ME406 ELT ME 183 NAV DB15 PLUG THUMBSCREW typ REMOTE SWITCH HARNESS Figure 3 1 Installation Overview Electrostatic Discharge ESD Precautions The ME 183 NAV is an electrostatic discharge sensitive ESDS device As such it must be handled with care If possible wear a grounded wrist strap or ESD protective footwear when handling the ME 183 NAV during installation and maintenance activities Take particular care to avoid touching the exposed metal portion of the connectors and exposed receptacle pins on the ME 183 NAV and ELT Page 9 of 21 4 INSTALLATION The following subsections provide detailed installation instructions for the ME 183 NAV Consult AC 43 13 for general guidelines pertaining to installation wiring soldering and grounding 4 1 4 2 4 3 4 3 1 Installation Kit The ME 183 NAV Installation Kit 455 0016 details are shown in Table 4 1 Table 4 1 ME 183 NAV Installation Kit Parts List 453 0012 Main Assembly ME 183 NAV Interface 570 0001 Manual ME 183 NAV Interface Description Installation 1 Operation and Maintenance 850 0814 Sealant Strip D Sub Connector 4 1 ea provided as a spare ME406 ELT Reprogramming The ELT must be programmed with a long message location protocol if necessary before installing the ME 183 NAV ELT reprogramming may be accomplished by an authorized service center or by using an
9. B15 receptacle as follows if one is not already installed from a SEALANT STRIP 2 previous installation 406 ELT iE a Peel a sealant strip off the plastic B sheet b Press 2 sealant strips tacky side Ta SEALANT STRIP against the male pins of the ELT receptacle THUMBSCREW c Peel the foam backing off the HARNESS DB15 PLUG sealant strip Plug the ME 183 NAV into the ELT Figure 4 8 ME 183 NAV Final Installation 3 Install 1 sealant strip 850 0814 in the ME 183 NAV DB15 receptacle following the procedures in Step 1 4 Plug the harness into 183 NAV NOTE Form a drip loop in the cable Subsection 4 3 1 5 Screw the thumbscrews into the ELT DB15 connector retaining nuts making sure the harness plug and ME 183 NAV are seated properly in the receptacles Torque 1 2 in lbs Page 15 of 21 5 183 NAV INTERFACE TESTING The purpose of this testing is to verify integrity of the ELT system after ME 183 NAV installation This section also discusses the option of verifying position data transmission using a beacon test set 5 1 Self Test The following procedure initiates an ELT self test routine to verify integrity of the ELT system 5 1 1 Precautions When the ELT is switched from ON to ARM it performs a self test and a 406 MHz Signal is transmitted however the transmission is ignored by the SAR satellite system WARNINGS Any time the ELT is activated it is tr
10. LUG COMMON TO AIRCRAFT GROUND REMOTE SWITCH GPS TX MOLEX PLUG RESET 1 RESET 2 EXTERNAL ON GSWO GSW1 LIGHT GROUND NOTE PINS 6 amp 9 AUDIO POWER ARE INTERNALLY NOTE N C PINS TIED WITHIN THE 1 3 4 10 11 13 REMOTE SWITCH ASSEMBLY UN SWITCHED _ POWER Te 14 Ye 28 NNA Figure 4 3 Metal Airframe Installation w Unshielded Harness With Harness Ground Conductor DB15 NOTE GPS GROUND MUST BE FROM GPS DATA OUTPUT PLUG COMMON TO AIRCRAFT GROUND REMOTE SWITCH GPS RS 232 MOLEX PLUG RESET 1 RESET 2 EXTERNAL ON _ POWER GSWO GSW1 s 58 281 LIGHT GROUND NOTE PINS6 amp 9 AUDIO POWER GROUND WIRE ARE INTERNALLY TIED NOTE PINS RED so i NOTE IF UNSHIELDED HARNESS IS INSTALLED A GROUND CONDUCTOR BETWEEN DB15 PLUG PIN 7 AND MOLEX PLUG PIN 6 IS REQUIRED Figure 4 4 Composite Airframe w Shielded Harness Shield Used as the Ground Conductor See Diagram Note 4 3 3 GPS Data Output Interface with Remote Switch Harness Referring to the wiring diagrams in Subsection 4 3 2 install a GPS data output conductor as follows 1 Run a minimum 24 AWG conductor from GPS data output to remote switch harness DB15 plug Connect the GPS end of the data conductor in accordance with the GPS manufacturer s recommendations Disconnect the harness DB15 plug from the ELT Perform the following steps if the back shell of the DB15 plug has not be
11. ansmitting a 121 5 MHz signal Tests should be no longer than three audible sweeps Subsection 5 1 2 Do NOT allow ELT activation to exceed 5 seconds After activation for approximately 50 seconds the ELT transmits a 406 MHz signal which will be interpreted as an actual emergency signal CAUTION Outside the United States comply with local and or national regulations for testing of ELTs 5 1 2 Self Test Procedure Initiate an ME406 ELT self test as follows Tune a receiver usually the aircraft radio to 121 5 MHz 2 Verify the on board GPS is active and has acquired a valid position 3 4 Set the ELT remote switch to the ON position and listen for 3 audio sweeps on the Allow 80 seconds after GPS activation for the ME 183 NAV to charge radio which takes approximately 1 second Set the switch back to the ARM OFF position and verify the switch panel LED indicates a 1 pulse code System OK e If multiple pulses error codes are displayed on the LED refer to Table 5 1 e Multiple error codes are displayed on the LED sequentially For example if a 3 pulse error and a 4 pulse error are detected the LED will display the 3 pulse code followed by the 4 pulse code e Refer to the appropriate ME406 ELT user manual for a more detailed explanation of error codes their causes and related troubleshooting guidelines Table 5 1 ME406 ELT Self Test Error Codes PULSES PROBABLE CAUSE System OK Bad load detecte
12. as aranea iaa nnn 8 Sa OVERVIEW ERE LM 9 S h REGULATORY REQUIREMENTS 9 3 2 EE OY NE que cT 9 3 3 ELECTROSTATIC DISCHARGE ESD PRECAUTIONS uiri wea aii ean Ria a c Y CL D a n d v den 9 INSTALLATION 2 EEUU ed utva un MEER 10 Al INSTALLATION K TU 10 4 2 406 ELT REPROGRAMMING naar russa arena nnn 10 d 5 INSTALLATION INSTRUCTION Sic cececscatecariiaceie E EDI D SII nn Co 10 4 3 1 General Wiring and Grounding 10 55 2 ait ac nie areca a 11 4 3 3 GPS Data Output Interface with Remote Switch Harness 12 434 DBI5PidgiReplacemellncd sers cx vxi aha du SR CX PEN Ped adr a reda a aura da 13 43 5 DBIS Plug Back eeu het a Cet Duca 15 236 Fna TETTE TE 15 5 ME 183 NAV INTERFACE TESTING 20005000 uaouuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuruuuuuuuuussRuuuRRRRRusS 16 5 1 SELF ICT 16 Sl Precautions a a E a A 16 51 2 SeltsTest PrOCeQUEIGBu NA 16 52 POSITION DATA VERIFICATION 2235
13. d Low power detected Page 16 of 21 5 2 PULSES PROBABLE CAUSE No position data present or 406 MHz message not programmed Lou G switch loop error ELT battery usage over one hour Position Data Verification Artex does not require this test be performed any problem with received position data will be indicated by the 5 pulse error Table 5 1 during self test Subsection 5 1 2 CAUTION Artex only recommends this test be performed if the 406 MHz signal can be properly shielded inside a screen room or container If the 406 MHz live burst is received by an SAR satellite the signal will be interpreted as an actual emergency signal In order to read position data with a beacon test set the following criteria must be met e The aircraft GPS system must be powered on for at least 80 seconds prior to ELT activation and e ELT must be active for at least 50 seconds or until the first live 406 MHz burst is transmitted and received by a beacon test set The live burst message will contain position data i e latitude and longitude Page 17 of 21 6 1 6 2 PERIODIC MAINTENANCE The following subsections describe periodic maintenance and testing requirements and procedures for the ME 183 NAV Comply with these requirements at the same time periodic maintenance and testing is performed on the ELT system Inspection WARNING It is possible to inadvertently activate the ELT when working around the ELT
14. en filled with RTV or other potting compound If the plug back shell is potted proceed to Step 5 a Strip the insulation from the conductor back approximately 1 8 0 125 b Solder the conductor into the Pin 9 solder cup of the plug in accordance with the wiring diagrams shown in Subsection 4 3 2 Page 12 of 21 Provide adequate strain relief for the conductor d Reassemble the back shell in accordance with Subsection 4 3 4 beginning with Step 8 NOTE Artex recommends sealing the plug back shell in accordance with Subsection 4 3 5 5 Cut off the harness DB15 plug Note the conductor color coding and pin relationships using a multimeter or other means of checking continuity 7 Replace the DB15 plug following the instructions in Subsection 4 3 4 4 3 4 DB15 Plug Replacement Referring to the wiring diagrams in Subsection 4 3 2 and Figure 4 5 install a new DB15 plug on the harness as follows THUMBSCREW typ GROMMET A CABLE RAIS E COLLAR END m WASHER typ HOUSING HALF typ HARDWARE typ Figure 4 5 DB15 Plug Assembly Horn and GPS conductors not shown 1 Select a rubber grommet supplied as part of the D Sub housing kit 150 1127 that fits snugly around the harness cable and other conductors 2 Feed the cable and other conductors through the rubber grommet such that the raised collar end will fit inside the D Sub housing as shown in Figure 4 5 and Figure 4 7 3 Slide the
15. g kit onto the thumbscrews 217 0001 NOTE The thumbscrews supplied with the housing kit are too short and are replaced by the longer thumbscrews supplied as part of the ME 183 NAV kit 11 Set the thumbscrews in place on the housing half Page 14 of 21 12 Fit the other housing half into place taking care to align thumbscrews bracket washers grommet and plug 13 Screw the housing halves together using the long fully threaded screws and nuts supplied as part of the D Sub housing kit 14 Install the grommet clamp supplied as part of the D Sub housing kit around the grommet 15 Ring out the remote switch harness to verify correct pin to pin continuity Optionally the system can be temporarily connected and operation checked via the remote switch 4 3 5 DB15 Plug Back Shell Sealing Seal the plug back shell using Dow Corning 4 Electrical Insulating Compound or an equivalent meeting MIL S 8660C 1 Disassemble the D Sub housing and remove a housing half 2 Inject Dow Corning 4 into the back side of the plug such that the insulating compound surrounds the conductors and covers the back of the plug 3 Reassemble the D Sub housing Subsection 4 3 4 Steps 8 14 4 3 6 Final Installation CAUTION When handling the ME 183 NAV and ELT take precautions in accordance with Subsection 3 3 Electrostatic Discharge ESD Precautions Referring to Figure 4 8 1 Install sealant strip 850 0814 in the ELT D
16. ompatible GPS DATA OUTPUT REMOTE den NAVIGATION ME406 ELT SWITCH INTERFACE Pass Thru NEW EQUIPMENT EXISTING EQUIPMENT Figure 1 2 ME 183 NAV Interface System Integration Block Diagram Installation of the ME 183 NAV requires an on board navigation system GPS supporting NMEA 0183 output in addition to an Artex ME406 ELT system The GPS receives satellite signal information calculates latitude and longitude position and sends the position data to the ME 183 NAV If the ELT is programmed with a short message non location protocol it must be reprogrammed to a long message location protocol in order to interface with the ME 183 NAV NOTE The appropriate ME406 ELT user manual should be consulted for more detailed information on ELT protocols and programming Operational Overview The ME 183 NAV receives power from the GPS receiver via its data output Upon power up there is an initial 80 second charge time before the ME 183 NAV can respond to an ELT activation event The ME 183 NAV periodically receives position data from the GPS receiver and converts the position data to an ELT compatible format The ME 183 NAV stores position data in RAM and waits for a signal from the ELT indicating it has been e Activated automatically by the G Switch or e Activated manually the ELT local or cockpit remote switch As long as the ELT is activated and the GPS receiver continues
17. one e Data Bits 8 e Stop Bits 1 2 2 NMEA 0183 Sentence Structure Requirements The ME 183 NAV accepts the following NMEA 0183 sentences GPRMC e GPGLL Page 8 of 21 3 3 1 3 2 3 3 OVERVIEW This section provides an installation overview and should be reviewed by personnel performing the work Regulatory Requirements TSO 126 Paragraph D The conditions and tests required for TSO approval of this article are minimum performance standards It is the responsibility of those desiring to install this article on a specific type or class of aircraft to determine that the aircraft installation conditions are within the TSO standards The article may be installed only if further evaluation by the applicant documents an acceptable installation and it is approved by the administrator FAA Requirements In addition to the procedures outlined herein the installer must adhere to the guidelines established in FAA Advisory Circular AC 43 13 Acceptable Methods Techniques and Practices Aircraft Alterations specifically Chapters 1 through 3 11 and 13 By signing the aircraft logbook or FAA Form 337 you are stating the installation has been performed in accordance with current FAR requirements and the steps and procedures outlined herein Installation The ME 183 NAV plugs into the ELT between the remote switch harness DB15 plug and the ELT e Data output from the GPS interfaces with the ME 183 NAV at the D
18. ts GOH 1 00208 oz 80 Vie 30 00208 Note X Not Applicable CATEGORY coop poo 0020414 poo Page 19 of 21 7 2 7 3 Table 7 2 Environmental Specifications Physical Specifications Table 7 3 provides physical data for the ME 183 NAV Table 7 3 Physical Specifications PARAMETER CHARACTERISTICS Weight lt 4 oz 113 g Communications Specifications Table 7 4 provides communications requirements for the ME 183 NAV Table 7 4 Communications Specifications Page 20 of 21 7 4 Approvals The ME 183 NAV is manufactured and approved under the following regulatory requirements FAA TSO C126 406 MHz Emergency Locator Transmitter ELT ETSO 2C126 406 MHz Emergency Locator Transmitter ELT RTCA DO 160F Environmental Conditions and Test Procedures for Airborne Equipment RTCA DO 178B Software Considerations in Airborne Systems and Equipment Certification RTCA DO 204 Minimum Operational Performance Standards for 406 MHz Emergency Locator Transmitters ELT Page 21 of 21
19. ttom of the loop and drip off diverting them away from the plug e GPS ground must be common to aircraft ground 4 3 2 Wiring Diagrams The following wiring diagrams are applicable as noted e Figure 4 1 Installation using a shielded harness in a metal airframe e Figure 4 2 Installation using an unshielded harness in a metal airframe with no harness ground conductor e Figure 4 3 Installation using an unshielded harness in a metal airframe with a harness ground conductor e Figure 4 4 Installation in a composite airframe DB15 FROM GPS DATA OUTPUT NOTE GPS GROUND MUST BE PLUG REMOTE SWITCH GPS TX MOLEX PLUG RESET 1 RESET 2 UN SWITCHED EXTERNAL ON POWER GSWO Ji E 14V GSW1 jG 28V LIGHT GROUND NOTE PINS 6 amp 9 AUDIO POWER ARE INTERNALLY NOTE N C PINS TIED WITHIN THE 1 3 4 10 11 13 REMOTE SWITCH ASSEMBLY Figure 4 1 Metal Airframe Installation w Shielded Harness Shield Used as Ground Conductor 0815 5 FROM GPS DATA OUTPUT NOTE GPS GROUND MUST BE PLUG COMMON TO AIRCRAFT GROUND REMOTE SWITCH GPS TX MOLEX PLUG RESET 1 RESET 2 EXTERNAL ON GSWO GSW1 LIGHT GROUND AUDIO POWER ARE INTERNALLY NOTE PINS TIED WITHIN THE 1 3 4 10 11 13 REMOTE SWITCH ASSEMBLY NOTE PINS 6 amp 9 ouwe NNA Figure 4 2 Metal Airframe Installation w Unshielded Harness No Harness Ground Conductor Page 11 of 21 DB15 FROM GPS DATA OUTPUT NOTE GPS GROUND MUST BE P
Download Pdf Manuals
Related Search