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6-2

Chapter 6:  Illustrated parts list

98-152675-A

Cobham Public

Figure 

Item

Part Number

Nomenclature

Quantity per Assy

Notes

1

405005-vvccc

a

HLD and Enhanced low Gain 
Antenna (HELGA)

1

2

780-A0785

Sealing cap with O-ring and 
air displacer

4

2  spares  included

4

NAS623-3-xx or 
NAS1101-3-xx

Mounting bolts

4

To be supplied by the 
installer. Length to be 

determined by 

installer

5

Commercially 
available

Anti-static cap

1

Table 6-1: Legend for figure items

a.

vv = customer identifier, ccc = minor variant

Summary of Contents for HELGA

Page 1: ...LGA 5005 HLD and Installation manual Enhanced Low Gain Antenna HELGA...

Page 2: ...Cobham Public LGA 5005 HELGA Installation manual Document number 98 152675 A Release date 15 December 2020...

Page 3: ...reproductions in whole or in part of this manual from any other source In the event of any discrepancies the English version shall be the governing text Thrane Thrane A S is trading as Cobham SATCOM C...

Page 4: ...r to protect the environment and ensure the correct recycling of old equipment as well as the re utilization of individual components use either public collection or private collection by the local di...

Page 5: ...Standards Institute ANSI IEEE C95 1 1999 recommends that any person in a controlled environment should not be exposed to radiation stronger than 5 mW cm2 at the frequencies used in this system System...

Page 6: ...3 4 2 Structural modifications and sealing 3 3 3 4 3 Grounding 3 5 3 4 4 Alignment and installation limitations 3 5 3 5 Installation of the antenna 3 8 3 5 1 Installation verification 3 10 3 6 Remova...

Page 7: ...ham Public A 2 DO 160 specifications A 2 A 2 1 Qualification Forms A 2 A 3 Certification A 5 A 3 1 Certifying agency A 5 A 3 2 List of E TSOs and deviations A 5 Appendix B References B 1 References B...

Page 8: ...Mounting hole sealing kit 3 2 Figure 3 2 Areas where NO sealant is to be applied 3 4 Figure 3 3 Breathing drainage slots both sides 3 4 Figure 3 4 Fore aft of the antenna 3 5 Figure 3 5 Base of the a...

Page 9: ...2 4 Table 4 1 Inspection tasks for LGA 5005 4 2 Table 5 1 Tools fixtures and equipment required for the LGA 5005 installation 5 1 Table 5 2 List of supplies 5 1 Table 6 1 Legend for figure items 6 2 T...

Page 10: ...transportation unpacking and instructions how to install and remove the antenna Maintenance Maintenance interval and actions Repair and servicing Special tools fixtures and equipment Appendices The ap...

Page 11: ...properly This text does not concern damage on equipment flight safety nor personal safety General precautions All personnel who operate equipment or do maintenance as specified in this manual must kn...

Page 12: ...anual as a guideline while adhering to standard aircraft practices refer to 1 or its equivalent The following figure shows the LGA 5005 CAUTION The material in this manual is subject to change Before...

Page 13: ...C 781 6 Attachment 7 Configuration 3 4 interconnected as shown in Figure 2 2 LGA 5005 HLD Enhanced Low Gain Antenna HELGA SDU 5045 Compact Satellite Data Unit CSDU SCM 5055 CSDU Configuration Module S...

Page 14: ...the AVIATOR 200S system 2 3 Interface of the LGA 5005 The LGA 5005 has a single TNC female bulkhead connector to interface to the CSDU This interface carries the following signals separated in the fre...

Page 15: ...carried on the cable interface between LGA 5005 and the CSDU is specific to the Cobham AVIATOR S system LGA 5005 shall never be interfaced to any avionics other than an AVIATOR S CSDU part number 4050...

Page 16: ...and hardware is DAL D 3 2 Storage and transportation Store the box in a dry area 50 RH where the temperature is within the range of 55 C to 85 C 67 F and 185 F Important The information drawings and w...

Page 17: ...llowing items are present LGA 5005 Mounting hole sealing kit After unpacking the LGA 5005 inspect it thoroughly for hidden damage and loose components or fittings If the contents are incomplete or the...

Page 18: ...table solution adaptor plate Mount the LGA 5005 antenna in a position with a clear view of the sky Make sure that the mounting location is interference free refer to Co location with other antennas on...

Page 19: ...3 The breathing and drainage slots are also the air paths to allow breathing and drainage of liquids penetrating the slots due to cleaning or de icing of the aircraft Important The sealing compound s...

Page 20: ...on the mounting plate 3 4 4 Alignment and installation limitations Consider the following factors that influence the final position of the antenna Alignment and installation offset angles Lightning st...

Page 21: ...iated Emission tests However transmission from the antenna may still affect the operation of other RF systems in particular cases It is the responsibility of the Installer to evaluate this before deci...

Page 22: ...aration distance between the antennas should be at least 1 8 m The isolation between the LGA 5005 and a GLONASS antenna should be at least 46 dB This typically corresponds to a a separation between th...

Page 23: ...n the antenna over the mounting holes in either the fuselage or the mounting plate ensuring that the RF cable is aligned and does not get pinched when the antenna is lowered to its final mounting posi...

Page 24: ...n air displacer into each mounting hole 11 Check that the O ring on the sealing cap is securely fitted into the o ring groove 12 Insert the sealing caps from the Mounting Hole Sealing Kit into each mo...

Page 25: ...e below 1 Remove the mastic sealant from the sealing cap grooves using a toothpick or the side of a flat 4 6mm 0 16 0 24 screwdriver 2 Remove the sealing caps using a 4 6mm 0 16 0 24 flat screwdriver...

Page 26: ...owing options 1 Send an e mail to AVIATOR support cobham com 2 Use the Follow the sun technical hotline EMEA 45 3955 8989 Americas 1 925 798 2399 APAC 65 6643 4700 Greater China 86 213 393 3006 3 Use...

Page 27: ...BITE logs are part of the CSDU s System log which can be downloaded from the CSDU USB Front Maintenance port when on the ground Refer to Airline Operational User Guidance 99 173107 8 Operational User...

Page 28: ...tag indicating the type of service required return address part number and full serial number Mark the carton FRAGILE to ensure careful handling 1 Protect the connectors from physical damage and elec...

Page 29: ...rial number and or tail number 2 Contact a Cobham Service Center see Technical support on page 4 1 3 Describe the fault as thoroughly as possible and ask for assistance In some cases the error may be...

Page 30: ...Torque driver 3 3 95 to 6 Nm 2 9 4 4 ft lb Commercially available Installation of the antenna on page 3 8 3 Phillips bit Size is 2 Commercially available Installation of the antenna on page 3 8 Remova...

Page 31: ...98 152675 A 6 1 Chapter 6 6666 Cobham Public Illustrated parts list 6 Figure 6 1 LGA 5005 HELGA...

Page 32: ...d Enhanced low Gain Antenna HELGA 1 2 780 A0785 Sealing cap with O ring and air displacer 4 2 spares included 4 NAS623 3 xx or NAS1101 3 xx Mounting bolts 4 To be supplied by the installer Length to b...

Page 33: ...ecific to the aircraft Specification Details Power Requirements 28 V DC 50 W supplied by the CSDU Dimensions nominal L 379 mm 14 92 W 141 mm 5 55 H 62 mm 2 44 at widest point Weight max 1 82 kg 4 0 lb...

Page 34: ...F2 For installation in non controlled temperature locations Ground Survival Low Temperature 55 C Short Time Operating Low Temperature 55 C Operating Low Temperature 55 C High temperature 4 5 3 4 5 4 F...

Page 35: ...than 5 700KG Aircraft zone 1 fuselage Vibration high level 8 6 H R Vibration high level vibration test of short duration during abnormal fixed wing aircraft during blown tires or conditions of loss o...

Page 36: ...nded to 200 MHz and sample broadband at 10 times the bandwidth used for narrowband using the test methods as specified in RTCA DO 160 Section 21 3 Lightning induced transient susceptibility 22 0 A3J3L...

Page 37: ...its associated components must be obtained through the appropriate offices of the FAA or other certifying agency It is recommended that all proposed installations be coordinated with the local jurisd...

Page 38: ...d Test Procedures for Airborne Equipment December 8 2010 6 98 145168 AVIATOR 200S Installation Manual Cockpit 7 98 158752 AVIATOR 200S User Manual Cockpit 8 99 173107 Airline Operational User Guidance...

Page 39: ...t F FAA Federal Aviation Administration FLS Field loadable Software G GB Grounding and Bonding GHz Giga Hertz GLONASS GLObal naya NAvigatsionnaya Sputnikovaya Sistema Global Navigation Satellite Syste...

Page 40: ...hnical Commission for Aeronautics Rx Received signal S SCM SDU Configuration Module SDU Satellite Data Unit STC Supplemental Type Certificate FAA certification document issued to companies that perfor...

Page 41: ...dance 2 4 inspection tasks 4 2 installation 3 1 installation offset angles 3 5 interference with other antennas 3 6 L lightning strike 3 6 location of antenna 3 3 M maintenance 4 1 5 1 6 1 manufacture...

Page 42: ...oftware part number 3 1 specifications A 1 Standards applicable B 1 STC 3 1 storage 3 1 structural loads 3 3 support contact details 4 1 contact information 4 1 T technical support 4 1 tools 5 1 6 1 t...

Page 43: ...98 152675 A www cobham com satcom...

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