ACR Electronics ELT/NAV Interface Boeing User Manual

ELT/NAV

INTERFACE -B

Abbreviated Component Maintenance Manual

This manual includes data for the equipment that follows:

Component

ELT/NAV Interface 453-6501 -B

Part No. Model No.

ACR ELECTRONICS, INC / ARTEX PRODUCTS

5757 Ravenswood Rd, Ft. Lauderdale, FL 33312

25-69-11

Cage Code: 60253

Page 1 of 58

JUL 28/11

570-6501 Rev. B

Initial Issue OCT 05/2000

ACR ELECTRONICS, INC / ARTEX PRODUCTS

ABBREVIATED COMPONENT MAINTENANCE MANUAL

-B (453-6501)

PROPRIETARY INFORMATION

This document contains proprietary information and such information may not be disclosed to others for any
purpose, nor used for manufacturing purposes without written permission from ACR Electronics.

Information in this manual is subject to change without notice. ACR Electronics makes no warranty, expressed
or implied, with regard to this manual, including but not limited to any implied warranties of merchantability,
fitness for a particular purpose, and non-infringement. In addition, ACR Electronics makes no warranty with
regard to the documentation or data contained herein. ACR Electronics is not liable in the event of incidentals,
special, consequential, or any other damages in connection with or arising from furnishing, performance, or
use of this manual.

Reproduction of this publication or any portion thereof by any means is prohibited. for further information con­tact Sales, ACR Electronics, 5757 Ravenswood Rd, Fort Lauderdale, FL 33312. Telephone [phone]

AIRWORTHINESS LIMITATIONS

The Airworthiness limitations section is FAA approved and specifies inspections and other maintenance

required under 14 CFR§ 43.16 and 91.403, unless an alternative program has been approved.

IMPORTANT NOTICE

ACR Electronics will be responsible for full distribution and revisions of ICA’s (Instructions for Continued

Airworthiness) For inquiries regarding the content and currency of this manual, contact ACR Electronics,

5757 Ravenswood Rd, Fort Lauderdale, FL 33312. Telephone [phone]

25-69-11

Page 2 of 58

JUL 28/11

ACR ELECTRONICS, INC / ARTEX PRODUCTS

ABBREVIATED COMPONENT MAINTENANCE MANUAL

-B (453-6501)

ACR Electronics will be responsible for full distribution and revisions of ICA’s (Instructions for Continued

Airworthiness) For inquiries regarding the content and currency of this manual, contact ACR Electronics,

5757 Ravenswood Rd, Fort Lauderdale, FL 33312. Telephone [phone]ACR Electronics will be

responsible for full distribution and revisions of ICA’s (Instructions for Continued Airworthiness) For

inquiries regarding the content and currency of this manual, contact ACR Electronics, 5757 Ravenswood Rd,

Fort Lauderdale, FL 33312. Telephone [phone]

REV NO. DCN NO. DCN DATE REV NO. DCN NO. DCN DATE

- RELEASE Oct 05/2000

- DCN 1747 Jul 19/2001

- DCN 2033 Jun 18/2002

A DCA W9414 Apr 06/2010

B ECO 14756 Jul 28/2011

RECORD OF REVISIONS

25-69-11

Page 3 of 58

JUL 28/11

ACR ELECTRONICS, INC / ARTEX PRODUCTS

ABBREVIATED COMPONENT MAINTENANCE MANUAL

-B (453-6501)

THIS IS A BLANK PAGE

25-69-11

Page 4 of 58

JUL 28/11

ACR ELECTRONICS, INC / ARTEX PRODUCTS

ABBREVIATED COMPONENT MAINTENANCE MANUAL

-B (453-6501)

SERVICE BULLETIN LIST

SERVICE

BULLETIN NO

ISSUE

DATE

SUBJECT

MANUAL

REV NO

MANUAL

REV DATE

25-69-11

Page 5 of 58

JUL 28/11

ACR ELECTRONICS, INC / ARTEX PRODUCTS

ABBREVIATED COMPONENT MAINTENANCE MANUAL

-B (453-6501)

THIS IS A BLANK PAGE

25-69-11

Page 6 of 58

JUL 28/11

ACR ELECTRONICS, INC / ARTEX PRODUCTS

ABBREVIATED COMPONENT MAINTENANCE MANUAL

-B (453-6501)

LIST OF EFFECTIVE PAGES

SUBJECT PAGE DATE SUBJECT PAGE DATE

Title Page 1 Jul 28/11 30 Jul 28/11

Notices 2 Jul 28/11 Test and Fault Isolation 31 Jul 28/11

Record of Revisions 3 Jul 28/11 32 Jul 28/11

4 BLANK 33 Jul 28/11

Service Bulletin List 5 Jul 28/11 34 Jul 28/11

6 BLANK 35 Jul 28/11

List of Effective Pages 7 Jul 28/11 36 Jul 28/11

8 BLANK 37 Jul 28/11

Table of Contents 9 Jul 28/11 38 Jul 28/11

10 Jul 28/11 Removal 39 Jul 28/11

11 Jul 28/11 40 Jul 28/11

12 BLANK Installation 41 Jul 28/11

List of Figures 13 Jul 28/11 42 Jul 28/11

14 BLANK 43 Jul 28/11

Introduction 15 Jul 28/11 44 Jul 28/11

16 Jul 28/11 45 Jul 28/11

17 Jul 28/11 46 Jul 28/11

18 Jul 28/11 47 Jul 28/11

19 Jul 28/11 48 Jul 28/11

20 Jul 28/11 49 Jul 28/11

21 Jul 28/11 50 Jul 28/11

22 Jul 28/11 51 Jul 28/11

Description and Operation 23 Jul 28/11 52 BLANK

24 Jul 28/11 Illustrated Parts List 53 Jul 28/11

25 Jul 28/11 54 Jul 28/11

26 Jul 28/11 55 Jul 28/11

27 Jul 28/11 56 Jul 28/11

28 Jul 28/11 57 Jul 28/11

29 Jul 28/11 58 Jul 28/11

25-69-11

Page 7 of 58

JUL 28/11

ACR ELECTRONICS, INC / ARTEX PRODUCTS

ABBREVIATED COMPONENT MAINTENANCE MANUAL

-B (453-6501)

THIS IS A BLANK PAGE

25-69-11

Page 8 of 58

JUL 28/11

ACR ELECTRONICS, INC / ARTEX PRODUCTS

ABBREVIATED COMPONENT MAINTENANCE MANUAL

-B (453-6501)

TABLE OF CONTENTS

RECORD OF REVISIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

SERVICE BULLETIN LIST. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

LIST OF EFFECTIVE PAGES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

LIST OF FIGURES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

INTRODUCTION

1. Manual Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

A. General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

B. Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

2. Model Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

A. ELT/NAV Interface -B. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

B. Compatibility. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

3. Approvals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

A. Certification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

B. RTCA DO-160C and DO-160D Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Table 1. DO-160C Environmental Categories Breakdown . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Table 2. DO-160D Environmental Categories Breakdown . . . . . . . . . . . . . . . . . . . . . . . . . . 18

4. List of Acronyms, Abbreviations, and Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

5. References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

A. Regulatory Documents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

B. Other Documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

DESCRIPTION AND OPERATION

1. Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

A. Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

B. Physical Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

C. Position Data Functionality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

D. 24-Bit Address Reprogramming Functionality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

2. Navigation System Interface Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

A. ARINC 429 Latitude and Longitude Data Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

B. RS-232 Latitude and Longitude Data Input. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

3. Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

A. Position Data Processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

B. 24-Bit Address Reprogramming. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

4 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

A. Physical and Environmental . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Table 3. Physical and Environmental Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

B. Input/Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Table 4. Input/Output Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

25-69-11

Page 9 of 58

JUL 28/11

ACR ELECTRONICS, INC / ARTEX PRODUCTS

ABBREVIATED COMPONENT MAINTENANCE MANUAL

-B (453-6501)

C. Electrical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Table 5. Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

TEST AND FAULT ISOLATION

1. General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

A. Applicability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

B. Regulatory Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

2. Periodic Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

A. Inspection Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

3. Periodic Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

A. Position Data ELT Self-Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

4. Post-Installation Functional Testing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

A. General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

B. Position Data Verification Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

C. 24-Bit Address Reprogramming Verification Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

5. Post-Reprogramming Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

A. 15-Digit Hex ID Verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

6. Fault Isolation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

A. Troubleshooting Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Table 6. Troubleshooting Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

REMOVAL

1. ELT/NAV Interface -B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

A. Removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

2. Material or Equipment Return . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

A. Shipment Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

B. Return Material Authorization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

INSTALLATION

1. Regulatory Requirements and Guidelines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

A. Applicability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

B. TSO C126, Paragraph D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

C. FAA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

D. Canada . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

E. Other Countries. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

F. RTCA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

2. Mechanical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

A. Chassis Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

B. Chassis Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

3. Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

A. General Considerations and Recommendations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

B. ELT and Navigation System Interfaces. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

C. 24-Bit Address Reprogramming – Hard Wire Method. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

D. 24-Bit Address Reprogramming – Switch Block Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

25-69-11

Page 10 of 58

JUL 28/11

ACR ELECTRONICS, INC / ARTEX PRODUCTS

ABBREVIATED COMPONENT MAINTENANCE MANUAL

-B (453-6501)

ILLUSTRATED PARTS LIST

1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

A. Purpose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

B. IPL Usage Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

2. Manufacturer Name and Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

A. Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

3. Explanation of Detailed Parts List Entries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

A. Fig # & Item Column . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

B. Part # Column. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

C. Nomenclature Column . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

D. UPA (Units Per Assembly) Column . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

4. Detailed Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

25-69-11

Page 11 of 58

JUL 28/11

ACR ELECTRONICS, INC / ARTEX PRODUCTS

ABBREVIATED COMPONENT MAINTENANCE MANUAL

-B (453-6501)

THIS IS A BLANK PAGE

25-69-11

Page 12 of 58

JUL 28/11

ACR ELECTRONICS, INC / ARTEX PRODUCTS

ABBREVIATED COMPONENT MAINTENANCE MANUAL

-B (453-6501)

LIST OF FIGURES

Figure 1. ELT/NAV Interface -B System Integration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Figure 2. ELT/NAV Interface -B Isometric View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Figure 3. Examples of Location Protocol 406 MHz Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Figure 4. 406 MHz Location Message without Position Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Figure 5. ELT/NAV Interface -B Removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Figure 6. ELT/NAV Interface -B Outline and Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Figure 7. ELT/NAV Interface -B Mechanical Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Figure 8. ELT/NAV Interface -B Wiring Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Figure 9. Wiring Installation at ELT End . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Figure 10. ELT/NAV Interface -B Wiring Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Figure 11. Octal/Hexadecimal to Binary Conversion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Illustrated Parts List

Figure 12. ELT/NAV Interface -B Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Figure 13. Electrical Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

25-69-11

Page 13 of 58

JUL 28/11

ACR ELECTRONICS, INC / ARTEX PRODUCTS

ABBREVIATED COMPONENT MAINTENANCE MANUAL

-B (453-6501)

THIS IS A BLANK PAGE

25-69-11

Page 14 of 58

JUL 28/11

ACR ELECTRONICS, INC / ARTEX PRODUCTS

ABBREVIATED COMPONENT MAINTENANCE MANUAL

TASK 25-69-11-990-801

1. Manual Usage

SUBTASK 25-69-11-990-001

A. General

(1) This manual describes the operation, installation, and maintenance of the ELT/NAV Interface -

B. This information is provided to ensure initial and continued airworthiness. Information
presented in this manual is accurate at time of printing, but is subject to change. Refer to the
Artex products web site at www.acrelectronics.com for the latest information and any updates
to this manual.

(2) Web links provided in this manual were accurate at time of printing but may be subject to

change.

-B (453-6501)

INTRODUCTION

(3) Regulatory references contained herein are generally confined to United States and Canadian

requirements and, in any case, should not be considered all encompassing. Consult your
national aviation authority for applicable requirements.

SUBTASK 25-69-11-990-002

B. Application

(1) This manual constitutes supporting data/documentation for the ELT/NAV Interface -B,

including:

(a) Description and Operation

(b) Test and Fault Isolation (includes inspection criteria)

(c) Removal

(d) Installation

(e) Illustrated Parts List

(2) In the United States, the ELT/NAV Interface -B must be installed and maintained in

accordance with the requirements herein and 14 CFR, FAR Parts 43, and 91; and other
airworthiness requirements, as applicable.

(3) In Canada, the ELT/NAV Interface -B must be installed and maintained in accordance with the

requirements herein and Canadian Aviation Regulations (CAR), Part V and other CAR
airworthiness requirements, as applicable.

(4) ELT/NAV Interface -B installation and maintenance in all other countries must comply with the

requirements herein and applicable national airworthiness requirements.

(5) To ensure proper operation, only parts listed in the Illustrated Parts List of this manual or

those recommended by ACR Electronics may be used as replacement parts for the ELT/NAV
Interface -B.

25-69-11

Page 15 of 58

JUL 28/11

ACR ELECTRONICS, INC / ARTEX PRODUCTS

ABBREVIATED COMPONENT MAINTENANCE MANUAL

TASK 25-69-11-990-802

2. Model Description

SUBTASK 25-69-11-990-001

A. ELT/NAV Interface -B

(1) The ELT/NAV Interface -B provides the means to transmit position data received from the

aircraft navigation system to the ELT.

(2) The ELT/NAV Interface -B is available in two installation configurations:

(a) 24-bit auto reprogramming and position data, or

(b) Position data only.

SUBTASK 25-69-11-990-002

B. Compatibility

-B (453-6501)

(1) The ELT/NAV Interface -B is designed for use with the Model B406-4 ELT (P/N 453-5004) on

Boeing aircraft.

TASK 25-69-11-990-803

3. Approvals

SUBTASK 25-69-11-990-001

A. Certification

(1) FAA TSO C126 System Component

NOTE

: Details of TSO certification for the ELT/NAV Interface -B are available in the “ELT/

NAV Interface -B System Qualification Report” (Document 572-0013).

(a) The conditions and tests required for TSO approval of this article are minimum

performance standards. It is the responsibility of those installing this article either on or
within a specific type or class of aircraft to determine that the aircraft installation
conditions are within TSO standards. TSO articles must have separate approval for
installation in an aircraft. The article may be installed only if performed under 14 CFR
Part 43 or the applicable airworthiness requirements.

(2) JTSO-2C126

SUBTASK 25-69-11-990-002

B. RTCA DO-160C and DO-160D Compliance

(1) Environmental Categories:

(a) DO-160C: C1-BA204204XRXXXXXZAZZ204BXXX (Table 1, on page 17)

(b) DO-160D: D1(A2)-BB[204(B)][204(C1)XRXXXXXZAZZ[204(T)]ZXXXX (Table 2, on page

18)

25-69-11

Page 16 of 58

JUL 28/11

ACR ELECTRONICS, INC / ARTEX PRODUCTS

ABBREVIATED COMPONENT MAINTENANCE MANUAL

-B (453-6501)

Table 1. DO-160C Environmental Categories Breakdown

CATEGORY SECTION DESCRIPTION

C1 4.0 Temperature/Altitude

- 4.5.4 In-Flight Loss of Cooling

B 5.0 Temperature Variation

A6.0 Humidity

204 7.0 Shock

204 8.0 Vibration

X 9.0 Explosion

R 10.0 Waterproofness

X 11.0 Fluids Susceptibility

X 12.0 Sand and Dust

X 13.0 Fungus

X 14.0 Salt Spray

X 15.0 Magnetic Effect

Z 16.0 Power Input

A 17.0 Voltage Spike

Z 18.0 Audio Frequency Susceptibility

Z 19.0 Induced Signal Susceptibility

204 20.0 Radio Frequency Susceptibility

B 21.0 Emission of Radio Frequency Energy

X 22.0 Lightning

X 23.0 Lightning Direct Effects

X 24.0 Icing

25-69-11

Page 17 of 58

JUL 28/11

ACR ELECTRONICS, INC / ARTEX PRODUCTS

ABBREVIATED COMPONENT MAINTENANCE MANUAL

-B (453-6501)

Table 2. DO-160D Environmental Categories Breakdown

CATEGORY SECTION DESCRIPTION

D1(A2) 4.0 Temperature/Altitude

- 4.5.4 In-Flight Loss of Cooling

B 5.0 Temperature Variation

B6.0 Humidity

204(B) 7.0 Shock

204(C1) 8.0 Vibration

X 9.0 Explosion

R 10.0 Waterproofness

X 11.0 Fluids Susceptibility

X 12.0 Sand and Dust

X 13.0 Fungus

X 14.0 Salt Spray

X 15.0 Magnetic Effect

Z 16.0 Power Input

A 17.0 Voltage Spike

Z 18.0 Audio Frequency Susceptibility

Z 19.0 Induced Signal Susceptibility

204(T) 20.0 Radio Frequency Susceptibility

Z 21.0 Emission of Radio Frequency Energy

X 22.0 Lightning

X 23.0 Lightning Direct Effects

X 24.0 Icing

X 25.0 Electrostatic Discharge

25-69-11

Page 18 of 58

JUL 28/11