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Environmental Qualification Form for the STX 165 Mode C Transponder

NOMENCLATURE:

 

STX 165, Airborne ATC Transponder Equipment

TYPE/MODEL/PART No.:

 

STX 165 / 305832-[XX] & Electrical Install Kit P/N 305994

TSO NUMBER:

 

C74d (Transponder)

 

C88b (Encoder)

MANUFACTURER’S SPECIFICATION AND/OR OTHER APPLICABLE SPECIFICATION:

 

STX 165 INSTALLATION MANUAL, P/N 306100-00
QUALIFICATION TEST PLAN, STX 165 AIRBORNE MODE A/C TRANSPONDER P/N 901016-QTP

MANUFACTURER:

 

SANDIA AEROSPACE

ADDRESS:

 

3700 OSUNA RD NE, SUITE 711, ALBUQUERQUE, NM 87109

REVISION & CHANGE NUMBER OF DO-160

 : REV F DATED December 6, 2007

DATE OF TESTS

: 2012

6

CONDITION

SECTION

DESCRIPTION OF TESTS CONDUCTED

Temperature and Altitude

Low Temperature

High Temperature

In-Flight Loss of Cooling

Altitude

Decompression

Overpressure

4.3

4.5.5

4.5.2

4.5.4

4.6.1

4.6.2

4.6.3

Equipment Tested to Category A4/C4

-20oC Operating Cold Temp

+55oC Operating High Temp

Test not Applicable

35,000 feet

30,000 feet

-15,000 feet

Temperature Variation

5.0

Tested to Category C, 2C/Min

Humidity

6.0

Tested to Category A

Operational Shock and Crash 

Safety

7.0

Tested to Category B, Aircraft Type 5.  Random Orientation

Vibration

8.0

Tested to Category S, Aircraft Zone 2, Vib curve M

Explosion

9.0

Equipment Identified as Category X, No Test Performed

Waterproofness

10.0

Equipment Identified as Category X, No Test Performed

Fluids Susceptibility

11.0

Equipment Identified as Category X, No Test Performed

Sand and Dust

12.0

Equipment Identified as Category X, No Test Performed

Fungus

13.0

Equipment Identified as Category X, No Test Performed

Salt Spray

14.0

Equipment Identified as Category X, No Test Performed

Magnetic Effect

15.0

Equipment is Category Z

Power Input

16.0

Tested to Category B

Voltage Spike

17.0

Tested to Category A

Audio Frequency Susceptibility

18.0

Tested to Category B

Induced Signal Susceptibility

19.0

Tested to Category BC

Radio Frequency Susceptibility

20.0

Tested to Category TT

Radio Frequency Susceptibility

21.0

Tested to Category M

Lightning Induced Transient 

Susceptibility

22.0

Equipment Identified as Category X, No Test Performed

Lightning Direct Effects

23.0

Equipment Identified as Category X, No Test Performed

Icing

24.0

Equipment Identified as Category X, No Test Performed

Electrostatic Discharge

25.0

Equipment Identified as Category X, No Test Performed

Flammability

26.0

Equipment Identified as Category X, No Test Performed

Summary of Contents for STX 165

Page 1: ...STX 165 STX 165R Installation Manual 3700 Osuna Rd NE Suite 711 Albuquerque NM 87109 www sandia aero 306100 00...

Page 2: ...ce s continued product and quality improvement programs information contained in this document is subject to change without prior notice Copyright 2010 SANDIA aerospace Corporation All right rights re...

Page 3: ...Form STX 165 6 Environmental Qualifaction Form STX 165 R 7 Section 2 Installation Considerations 8 2 1 General 8 2 2 Mounting Considerations 8 2 2 1 STX 165 Panel Mount 8 2 2 1 1 Optional 3 Adapter P...

Page 4: ...mperature Unit 20 3 10 3 Icing Alert Temp 20 3 10 4 EFT Start 20 3 10 5 Auto Mode C Alt 20 3 10 6 Min Brightness 20 3 10 7 Default VFR Code 21 3 10 8 Exit User Set Up Mode 21 3 11 Continued Airwortine...

Page 5: ...ems that require altitude data A SANDIA aerospace STP 78 OAT probe P N 305561 91 can be installed as an option When the STP 78 is installed the STX 165 will display OAT Out side Air Temperature Densit...

Page 6: ...al TSO C88a C106 Operating Temp 55 o C 70 o C Altitude 35 000 1 3 4 Certification TSO C74d transponder C88b encoder STX 165 panel mount only Software DO 178B Level C Environmental DO 160F STX 165 A4C4...

Page 7: ...ry B Aircraft Type 5 Random Orientation Vibration 8 0 Tested to Category S Aircraft Zone 2 Vib curve M Explosion 9 0 Equipment Identified as Category X No Test Performed Waterproofness 10 0 Equipment...

Page 8: ...ry B Aircraft Type 5 Random Orientation Vibration 8 0 Tested to Category S Aircraft Zone 2 Vib curve M Explosion 9 0 Equipment Identified as Category X No Test Performed Waterproofness 10 0 Equipment...

Page 9: ...m Gray code format 2 2 MOUNTING CONSIDERATIONS 2 2 1 STX 165 Panel Mount The STX 165 is designed to be rear mounted in a 1 2 3ATI cutout The ATI Airline Transport Indi cator form factor is used in mos...

Page 10: ...AILURE TO DO SO COULD CAUSE DAMAGE TO THE TRANSMITTER 3 2 2 STX 165R Remote Mount 3 2 2 1 Supplied STX 165R P N 305831 00 Installation Kit 305994 00 9 Pin Sub D Female Connector P N 305214 Clamp D Con...

Page 11: ...l for the unit connectors and harness A panel punch is available from the factory for a nominal charge Contact the factory at 505 341 2930 Figure 3 1 Panel Cut Out Dimensions 3 3 Electrical The STX 16...

Page 12: ...tray it needs to be secured with two number 8 pan head mounting screws Ensure that the top of the screw head is below the mounting tray surface The STX 165R can be installed in either direction in th...

Page 13: ...r four mounting screws are required When mounting the unit ensure that enough clearance is allowed for the mating connectors 12 3 5 Static Port Connection The STX 165 has a built in altitude encoder t...

Page 14: ...t ALT XXXX CR The data formats are described in Appendix 1 For a yoke mount ident switch an external ident input is provided Grounding the External Ident line will activate the ident mode 3 6 2 STX 16...

Page 15: ...roximately 23 inches in length The installer can cut this cable to length or extend it by adding additional wire Make sure that any connections are away from areas that can accumulate water or chemica...

Page 16: ...y onto contact The cable may have to be held in a clamping fixture Arrange braid uniformly around crimp stem Slide crimp sleeve forward and crimp using recommended crimp tool Slide heat shrink froward...

Page 17: ...nd OAT Drain Grey Code 8 Aircraft Power Out Non Switchable 9 Altitude B2 Out 10 Altitude B4 Out 11 Altitude C1 Out 12 Altitude C4 Out 13 Altitude C2 Out 14 OAT Power Out OAT Probe Power Red Wire 15 OA...

Page 18: ...3 Altitude A2 In 4 Altitude A4 In 5 Altitude B1 In 6 Baud Select In 5v on Pin Changes J3 Pin 8 to 1200 Baud 7 Signal Ground Grey Code 8 Aircraft Power Out Non Switchable 1 Amp Max 9 Altitude B2 In 10...

Page 19: ...l be blinking Adjust the Data knob until the PALT display in the lower right hand corner of the display shows 35 000 feet 30 feet and press the Enter pushbutton Note that the altitude display is an un...

Page 20: ...ing on a battery the operator may wish this setting to be lower than the maximum of 1200 in order to conserve battery power 1 Rotate the Data knob to select the MAX REPLY RATE page 2 Press the Enter p...

Page 21: ...t unit turn on 4 Press the Enter pushbutton to select the EFT Altitude 3 10 5 AUTO MODE C ALT The STX 165 can be set to automatically select Mode C either at turn on or at a pre specified altitude aft...

Page 22: ...used in his local area 1 Rotate the Data knob to select DEFAULT VFR 2 Press the Enter pushbutton The brackets will extinguish and the first digit in the squawk code will blink indicating it is ready...

Page 23: ......

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