Honeywell KT 74 User manual

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CAGE: 6PC31
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Publication Number D201308000037, Revision 0
Page T-1
Initial 15 Nov 2013
© Honeywell International Inc. Do not copy without express permission of Honeywell.
Installation Manual
KT 74 Mode S/ADS-B Out Transponder
Part Number CAGE
89000007-000001 6PC31
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TRANSMITTAL INFORMATION
THIS IS AN INITIAL RELEASE OF KT 74 MODE S/ADS-B OUT TRANSPONDER IM PUB. NO.
D201308000037 AND IS ISSUED FOR USE IN SUPPORT OF THE FOLLOWING:
Table TI-1 shows the applicable components.
Table TI-1.Applicable Components
Component Part Number Nomenclature
89000007-000001 KT 74 Mode S/ADS-B Out Transponder
Revision History
Table TI-2 shows the revision history of this IM.
Table TI-2.Revision History
Revision Number Revision Date
0 15 Nov 2013

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RECORD OF REVISIONS
For each revision, write the revision number, revision date, date put in the manual, and your
initials in the applicable column.
NOTE: Refer to the Revision History in the TRANSMITTAL INFORMATION section for
revision data.
Revision
Number Revision Date Date Put in Manual By
Revision
Number Revision Date Date Put in Manual By

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RECORD OF TEMPORARY REVISIONS
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Remove the temporary revision pages only when discard instructions are given. For each
temporary revision, put the applicable data in the record columns on this page.
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has been replaced by another TR, a TR number will not be issued, or a TR has been deleted.
Temporary
Revision
Number Status
Page
Number Issue Date
Date
Put
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LIST OF EFFECTIVE PAGES
Subject Page
Date
Title
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Transmittal
Information
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Record of
Revisions
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Record of
Temporary
Revisions
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RTR-2 15 Nov 2013
List of Effective
Pages
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Table of
Contents
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Introduction
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Subject Page
Date
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Section 1
General
Information
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Section 2
Installation
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Date
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System
Interconnect
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Section 4
Post-Installation
Configuration,
Calibration, and
Checkout
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Section 5
Instructions for
Continued
Airworthiness
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Appendix A
Enviromental
Qualification
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TABLE OF CONTENTS
Title Page
INTRODUCTION.................................................................................................................... INTRO-1
1. How To Use This Manual ...........................................................................................................INTRO-1
A. General..................................................................................................................................INTRO-1
B. Observance of Manual Instructions ......................................................................................INTRO-1
C. Symbols ................................................................................................................................INTRO-1
D. Units of Measure...................................................................................................................INTRO-2
E. Standard Practices Manual...................................................................................................INTRO-2
F. Electrostatic Discharge .........................................................................................................INTRO-2
2. BendixKing Technical Publications Support...............................................................................INTRO-2
A. Honeywell Aerospace Online Technical Publications Website.............................................INTRO-2
B. BendixKing Customer Support..............................................................................................INTRO-2
3. References .................................................................................................................................INTRO-2
A. Honeywell/Vendor Publications ............................................................................................INTRO-2
B. Other Publications.................................................................................................................INTRO-3
4. Acronyms and Abbreviations......................................................................................................INTRO-4
A. General..................................................................................................................................INTRO-4
5. Software History .........................................................................................................................INTRO-5
A. Software Data .......................................................................................................................INTRO-5
SECTION 1 GENERAL INFORMATION ........................................................................................ 1-1
1.1 KT 74 Description........................................................................................................................ 1-1
1.2 Interfaces.....................................................................................................................................1-1
1.3 Regulatory ...................................................................................................................................1-2
1.3.1 Approved Deviations ...................................................................................................................1-3
1.4 Physical Specifications (in Tray) .................................................................................................1-3
1.5 Installation Approval ....................................................................................................................1-4
1.6 TSO Failure Condition Classification ..........................................................................................1-4
1.7 Non – TSO Functions..................................................................................................................1-4
1.8 KT 74 Mode S Transponder Items ..............................................................................................1-4
1.9 Installation Kit ..............................................................................................................................1-5
1.10 Documentation Kit .......................................................................................................................1-5
1.11 Required Items ............................................................................................................................1-5
1.12 Normal Operations Overview ......................................................................................................1-6
1.13 Display.........................................................................................................................................1-6

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1.14 Mode Selector Knob....................................................................................................................1-7
1.15 Push Buttons ...............................................................................................................................1-7
1.16 Squawk Code Entry.....................................................................................................................1-7
1.17 Flight Timer..................................................................................................................................1-8
1.18 Stopwatch....................................................................................................................................1-8
1.19 Flight ID Entry..............................................................................................................................1-8
1.20 Altitude Monitor............................................................................................................................1-8
1.21 ADS-B Monitor............................................................................................................................. 1-9
1.22 Warning Messages......................................................................................................................1-9
1.23 Fault Annunciation.......................................................................................................................1-9
1.24 Low Temperature Operation .......................................................................................................1-9
1.25 Limited Warranty .......................................................................................................................1-10
1.26 ADS-B Compliance ...................................................................................................................1-11
1.27 ADS-B Parameters Supported ..................................................................................................1-11
1.28 FAA 91.227 Compliance ...........................................................................................................1-13
1.29 AMC 20-24 Compliance ............................................................................................................1-13
1.30 Automatic Air/Ground Determination ........................................................................................1-13
SECTION 2 INSTALLATION.......................................................................................................... 2-1
2.1 Unpacking and Inspecting Equipment......................................................................................... 2-1
2.2 Mounting......................................................................................................................................2-1
2.3 Installation Drawings ...................................................................................................................2-1
2.4 Cooling Requirements.................................................................................................................2-5
2.5 Electrical Connections................................................................................................................. 2-5
2.5.1 Primary Interface – Pinout...........................................................................................................2-5
2.5.2 Secondary Interface – Pinout ......................................................................................................2-7
2.5.3 Orientation Diagram ....................................................................................................................2-8
2.6 Interface Details ..........................................................................................................................2-9
2.6.1 Power Input .................................................................................................................................2-9
2.6.2 Lighting Bus Input........................................................................................................................2-9
2.6.3 Mutual Suppression...................................................................................................................2-10
2.6.4 Altitude Inputs and Output.........................................................................................................2-10
2.6.5 Squat Switch Input ....................................................................................................................2-11
2.6.6 Ident Switch Input......................................................................................................................2-11
2.6.7 External Standby Input ..............................................................................................................2-11
2.6.8 Audio Output..............................................................................................................................2-11

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Title Page
2.6.9 Altitude Alerter Output ...............................................................................................................2-12
2.6.10 GPS Position Input ....................................................................................................................2-12
2.6.11 TIS-A Traffic Output ..................................................................................................................2-12
2.7 Molex Crimp Terminals .............................................................................................................2-13
2.8 Antenna Installation...................................................................................................................2-13
2.8.1 Antenna Cable...........................................................................................................................2-14
2.8.2 BNC Connector .........................................................................................................................2-15
2.9 Tray/BNC Connector Assembly ................................................................................................2-18
SECTION 3 SYSTEM INTERCONNECT ....................................................................................... 3-1
3.1Basic Interconnect Diagram ........................................................................................................3-1
SECTION 4 POST-INSTALLATION CONFIGURATION, CALIBRATION, AND CHECKOUT ....... 4-1
4.1 Post Installation Checks ..............................................................................................................4-1
4.2 Installation Setup and Test.......................................................................................................... 4-1
4.3 Configuration Items .....................................................................................................................4-3
4.3.1 Aircraft Registration/VFR Flight ID ..............................................................................................4-3
4.3.2 Aircraft Address Programming ....................................................................................................4-3
4.3.3 VFR Squawk Code......................................................................................................................4-3
4.3.4 Airspeed Category.......................................................................................................................4-3
4.3.5 Aircraft Category .........................................................................................................................4-4
4.3.6 Squat Switch Source ...................................................................................................................4-4
4.3.7 ARINC TIS-A Output ...................................................................................................................4-4
4.3.8 Serial TIS-A Output .....................................................................................................................4-4
4.3.9 GPS Input ....................................................................................................................................4-4
4.3.10 GPS/TIS-A Line Speed ...............................................................................................................4-4
4.3.11 GPS System Certification Level ..................................................................................................4-5
4.3.12 GPS NACv................................................................................................................................... 4-5
4.3.13 Measurement Unit .......................................................................................................................4-5
4.3.14 Aircraft Length and Width............................................................................................................4-5
4.3.15 GPS Antenna Offset.................................................................................................................... 4-5
4.3.16 ADS-B Receiver Options.............................................................................................................4-6
4.3.17 Audio Volume ..............................................................................................................................4-6
4.3.18 LCD Dim Point.............................................................................................................................4-6
4.3.19 LCD Brightness Curve................................................................................................................. 4-6
4.4 Testitems ....................................................................................................................................4-6

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Title Page
4.4.1 Interface Check ...........................................................................................................................4-6
4.4.2 Altitude Check .............................................................................................................................4-7
4.4.3 Lighting Bus.................................................................................................................................4-7
4.4.4 Temperature................................................................................................................................4-7
4.4.5 GPS Interface ..............................................................................................................................4-7
4.5 Warnings and Faults ...................................................................................................................4-7
SECTION 5 INSTRUCTIONS FOR CONTINUED AIRWORTHINESS .......................................... 5-1
5.1 Continued Airworthiness .............................................................................................................5-1
5.2 Cleaning the KT 74 Transponder ................................................................................................5-1
APPENDIX A ENVIROMENTAL QUALIFICATION........................................................................A-1

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LIST OF FIGURES
Title Page
Figure INTRO-1. Symbols...................................................................................................... INTRO-1
Figure 1-1. KT 74 Display ............................................................................................................... 1-6
Figure 2-1. KT 74 Installation Drawing............................................................................................ 2-3
Figure 2-2. Primary Interface Pinout Locations............................................................................... 2-7
Figure 2-3. Secondary Interface Pinout Locations .......................................................................... 2-8
Figure 2-4. KT 74 Connector Positions ........................................................................................... 2-9
Figure 2-5. Molex Crimp Terminals............................................................................................... 2-13
Figure 2-6. Coax Cable Stripping Dimensions .............................................................................. 2-16
Figure 2-7. Coax Cable Inner and Outer Shield Orientation ......................................................... 2-16
Figure 2-8. Coax Cable Outer Shield to BNC Solder Location ..................................................... 2-17
Figure 2-9. Coax Cable and BNC Heat Shrink Location ............................................................... 2-17
Figure 2-10. BNC Completed Assembly ....................................................................................... 2-18
Figure 2-11. Tray / BNC Connector Assembly.............................................................................. 2-19
Figure 3-1. KT 74 Basic Interconnect Diagram ............................................................................... 3-3
Figure 4-1. KT 74 Transponder....................................................................................................... 4-2

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LIST OF TABLES
Title Page
Table 1-1. Interface Services .......................................................................................................... 1-1
Table 1-2. Regulatory Data ............................................................................................................. 1-2
Table 1-3. Physical Specifications .................................................................................................. 1-3
Table 1-4. Included Transponder Items .......................................................................................... 1-4
Table 1-5. Installation Kit................................................................................................................. 1-5
Table 1-6. Documentation Kit.......................................................................................................... 1-5
Table 1-7. Push Button Functions................................................................................................... 1-7
Table 1-8. ADS-B Parameters ...................................................................................................... 1-11
Table 2-1. Primary Interface Pinout Locations ................................................................................ 2-6
Table 2-2. Secondary Interface Pinout Locations ........................................................................... 2-7
Table 2-3. Maximum Usable Cable Lengths ................................................................................. 2-14
Table 4-1. Warning Messages ........................................................................................................ 4-7
Table 4-2. Fault Messages.............................................................................................................. 4-8
Table A-1. Environmental Qualification Form .................................................................................A-1

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INTRODUCTION
1. How To Use This Manual
A. General
(1) This publication gives maintenance instructions for the equipment shown on
the title page.
(2) Standard maintenance procedures that technicians must know are not given
in this manual.
(3) This publication is written in agreement with the ATA Specification.
(4) Warnings, cautions, and notes in this manual give the data that follows:
A WARNING gives a condition or tells personnel what part of an operation
or maintenance procedure, which if not obeyed, can cause injury or death
A CAUTION gives a condition or tells personnel what part of an operation
or maintenance procedure, which if not obeyed, can cause damage to the
equipment
Warnings and cautions go before the applicable paragraph or step. Notes
follow the applicable paragraph or step.
B. Observance of Manual Instructions
(1) Make sure that you carefully obey all safety, quality, operation, and shop
procedures for the unit.
(2) All personnel who operate equipment and do maintenance specified in this
manual must know and obey the safety precautions.
C. Symbols
(1) The symbols and special characters are in agreement with IEEE Publication
260 and IEC Publication 27. Special characters in text are spelled out.
(2) The signal mnemonics, unit control designators, and test designators are
shown in capital letters.
(3) The signal names followed by an “*” show an active low signal.
(4) The symbols in Figure INTRO 1 show ESDS and moisture sensitive devices.
Figure INTRO 1. Symbols

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D. Units of Measure
(1) Measurements, weights, temperatures, dimensions, and other values are
expressed in the USMS followed by the appropriate SI metric units in
parentheses. Some standard tools or parts such as drills, taps, bolts, nuts,
etc. do not have an equivalent.
E. Standard Practices Manual
(1) Standard cleaning, check, repair, and assembly procedures applicable to
multiple models can be found in a standard practices manual. Refer to
Paragraph 2.
F. Electrostatic Discharge
(1) Touch the items susceptible to electrostatic discharge in accordance with
MIL-HDBK-263. Refer to MIL-STD-1686 for definition of the standards and
conditions.
2. BendixKing Technical Publications Support
A. Honeywell Aerospace Online Technical Publications Website
(1) Go to the Honeywell Online Technical Publications Website at
(www.myaerospace.com).
To download or see publications online
To order a publication
To tell Honeywell of a possible data error in a publication.
B. BendixKing Customer Support
(1) Call BendixKing Customer Support for all Parts, Repair, Technical Support,
and Sales information. Contact BendixKing Customer Support at:
Telephone: [phone] (Toll Free U.S.A./Canada)
Telephone: [phone] (International)
Website: www.bendixking.com/support
Email: [email protected].
3. References
A. Honeywell/Vendor Publications
(1) Related Honeywell publications in this manual are shown in the list that
follows:
Pub. No. D201308000036, KT 74 Mode S Transponder Pilot’s Guide
ATA No. 20-00-03 (Pub. No. A09-1100-004), Standard Repair
Procedures for Honeywell Avionics Equipment Instruction Manual.