DEFSTAN 05-123(PT2)/2(2005) : 2005

Introduction
SECTION 0 - GENERAL REQUIREMENTS
1 Scope
2 Warning
3 Related Documents
4 Definitions
5 Abbreviations
SECTION 1 - INTERCHANGEABILITY
6 Introduction
7 Other Definitions
8 General Responsibilities
9 Interface Responsibilities
10 Modifications
11 Interchangeability Data Sheets/Control Drawings
12 Interchangeability Lists (not applicable to engine equipment)
13 Interchangeability Schedule (not applicable to engine
    equipment)
14 Assurance of Interchangeability
15 Replaceability of airframe spares
SECTION 2 - CERTIFICATION FOR FLIGHT TRIALS
16 Introduction
17 (withdrawn)
18 (withdrawn)
19 (withdrawn)
ANNEX A1 - Design Limitations, Definitions and Explanatory
           Notes - Aeroplanes
ANNEX A2 - Design Criteria - Aeroplanes
ANNEX A3 - Flying Limitations, Definitions and Explanatory
           Notes - Aeroplanes
ANNEX A4 - Flying Limitations - Aeroplanes
ANNEX A5 - Design Limitations, Definitions and Explanatory
           Notes - Rotocraft
ANNEX A6 - Design Criteria - Rotorcraft
ANNEX A7 - Flying Limitations, Definitions and explanatory
           Notes - Rotocraft
ANNEX A8 - Flying Limitations - Rotorcraft
APPENDIX B - Amendment Statement to Certificate for Flight Trials
SECTION 3 - SPECIFICATIONS
20 Introduction
21 General requirements for the preparation of specifications
    by contractors
22 Additional requirements for specifications prepared by
    contractors
APPENDIX A - Instructions for the preparation of aircraft
             specifications by contractors
APPENDIX B - Contractors' material and process specifications
SECTION 4 - INFORMATION FOR INSTALLATION OF AIRCRAFT OR
            UNMANNED AIR VEHICLE EQUIPMENT
23 Introduction
24 Requirements
25 Content and layout
26 Provision of information
27 Interface requirements
28 Identification
29 Distribution
APPENDIX A - Content and Layout of an RIM/AEII
SECTION 5 - REPORTING OF MASS FOR AIRCRAFT EQUIPMENT
30 Introduction
31 Reporting
APPENDIX A - CA(PE) Form 893 - Aircraft Equipment Mass
SECTION 6 - SAMPLING PROGRAMME PROCEDURE FOR IN-SERVICE MATERIEL
32 Introduction
33 Test programme
34 Contractual arrangements.
SECTION 7 - IDENTIFICATION UNDER THE NATO CODIFICATION SYSTEM
35 Introduction
36 Applications
37 Equipment supplied by or to other NATO countries
SECTION 8 - TESTING OF EXPERIMENTAL AND DEVELOPMENT
            AIRCRAFT EQUIPMENT
38 Introduction
39 General
40 Ground tests
42 Test Reports
APPENDIX A - Typical content of Declaration of Development
             Standard
APPENDIX B - Typical content of Test Report
SECTION 9 - THE RELATIONSHIP BETWEEN SERVICE UNITS, MOD AND
            CONTRACTORS IN THE DEVELOPMENT OF MATERIEL
43 Introduction
44 Status Of Service Units
45 Service Unit requirements
SECTION 10 - PACKAGING
46 Packaging (withdrawn)
SECTION 11 - MOCK-UPS AND WORKING RIGS
47 Introduction
48 Meetings and Conference
49 Mock-Ups
50 Working Rigs
APPENDIX A - Full Mock-Ups
APPENDIX B - Working Rigs
SECTION 12 - MASS, CG AND ASSOCIATED DATA OF AIRCRAFT
51 Introduction
52 Submission of data
53 Mass and Centre of Gravity (CG) determination
APPENDIX A - Accuracy of CG Measurement for Rotorcraft
SECTION 13 - FINAL EXAMINATIONS AND CONFERENCES
54 Final Examination
55 Final Conference
56 Reports
SECTION 14 - SCHEDULE OF EQUIPMENT APPENDIX A TO THE AIRCRAFT
             SPECIFICATION
57 Introduction
58 Purpose of an Appendix A
59 Preparation of an Appendix A
60 Composition of a Draft Appendix A
61 Sections of a Draft Appendix A
62 Numbering of an Appendix A
63 Delivery of a Draft Appendix A
64 Acceptance of an Appendix A
65 Layout, printing and distribution of Appendix A
66 Amendments to an Appendix A
67 Engine or engine modules
68 Stores entitlement
69 Deviations from an Appendix A
FIGURE 1 - EXAMPLE OF A TITLE PAGE OF AN APPENDIX A
FIGURE 2 - EXAMPLE OF AN INTRODUCTORY SHEET OF AN APPENDIX A
FIGURE 3 - TYPICAL LAYOUT OF AN APPENDIX A
SECTION 15 - PROVISION OF MISCELLANEOUS DATA DURING DEVELOPMENT
70 Introduction
71 Drawings of systems for which a Working Rig is required
72 General Arrangement Drawings
73 Models
74 Information required for maintenance, stowage and transport
    of aircraft components
75 External colouring and marking drawings
76 Armament installation
77 Software (Program) documentation
APPENDIX A - Example of a List of Main Airframe Components
APPENDIX B - Example of Layout of Information for maintenance
             stowage and transport of Service aircraft
             components - diagram
APPENDIX C - Example of layout of information for maintenance
             stowage and transport of service aircraft
             components - data sheet
SECTION 16 - CONTRACTOR PARTICIPATION IN MOD FLIGHT TESTING
78 Introduction
79 Preview Evaluation trials
80 MOD Contractor Joint trials
81 Delegation of trials to Contractors
SECTION 17 - TESTING OF PRE-PRODUCTION AIRCRAFT
82 Ground Tests
83 Contractor's flight tests
84 Installations for emergency recovery
85 Flying Clothing and Personal Equipment to be worn during
    flight tests
86 Fuels for flight tests
87 External markings
88 Electro-Magnetic Compatibility (EMC) trials of
    Electro-Explosive Devices (EEDS)
89 Test Reports
SECTION 18 - TESTING OF PRODUCTION AIRCRAFT
90 Introduction
91 General
92 Ground test procedures for a new aircraft type
93 Flight test procedures for a new aircraft type
94 Control of test procedures
95 Distribution of test procedures
96 Conduct of testing
97 Percentage tests
98 Service flight test schedule
APPENDIX A - Certificate of Contractor's Flight Test
SECTION 19 - INSTRUMENTATION FOR FLIGHT TESTS OF AIRCRAFT
99 Introduction
100 Flight trials programme
101 Instrumentation requirements
102 Provision of instruments and equipment (including ADR)
103 Instrumentation installation and maintenance
104 Flight trials for which an ADR Is required
105 Basic ADR requirements
106 Delivery of aircraft to MOD establishments
107 Identification of instrumentation
SECTION 20 - SPECIAL FLYING INSTRUCTIONS AND RESTRICTIONS ON
             FLYING
108 Introduction
109 Issuing Authorities for restrictions
110 Need for restrictions
111 Responsibilities of Contractors
112 Restrictions on flying at Contractors' works and MOD
    establishments
113 Non-restrictive SFIs
SECTION 21 - TRACEABILITY OF AIRCRAFT IDENTIFIABLE PARTS
114 Introduction
115 Requirements
SECTION 22 - DEVELOPMENT TRIALS OF WEAPON MATERIEL
116 Introduction
117 General
118 Preparation of trials specifications
119 Conduct of trials
120 Reporting
APPENDIX A - Requirements for Trials Specifications
SECTION 23 - TRIALS TO ASSESS THE SAFETY OF WEAPON MATERIEL
121 Introduction
122 General
123 Defence Ordnance Safety Group (DOSG)
124 Responsibilities
125 Conduct of Trials and Reporting

Provides detailed procedures to enable contractors during the design and development and design support stages of a project to discharge the following responsibilities: a) provide certain detailed information and documentation; b) conduct testing; c) provide assistance and facilities to the MOD and the User(s).