DEFSTAN 05-123(PT3)/2(2005) : 2005

Introduction
SECTION 0 - GENERAL REQUIREMENTS
1 Scope
2 Warning
3 Related Documents
4 Definitions
5 Abbreviations
SECTION 1 - CONTROL OF DESIGNS
6 Introduction
7 General
8 Records
9 Formal control (FC) of design
10 Bringing the Design Under Ministry Control (UMC)
11 Certification of Design
SECTION 2 - DESIGN RECORDS
12 Introduction
13 Reproduction and Supply of Design Records
14 Custody, Maintenance and Disposal
SECTION 3 - LOCAL TECHNICAL COMMITTEE
15 Introduction
16 Scope
17 Formation
18 Composition
19 Terms of Reference
20 Minutes
21 Procedure when other Contractors are Involved
22 Procedure for Major Design Changes
23 Procedure when Aircraft Operation and Handling is Affected
24 Procedure for changes to mark or role identities of aircraft
25 Procedure when aircraft simulators are affected
26 Approval of new airborne equipment
SECTION 4 - CONFIGURATION CONTROL BOARD
27 Introduction
28 Formation
29 Composition
30 Terms of Reference
31 Minutes
SECTION 5 - MODIFICATION CLASSIFICATION
32 Introduction
33 Riders or Qualifications to Modifications Classifications
SECTION 6 - DRAFT MODIFICATION LEAFLETS
34 Introduction
35 Purpose
36 Authorisation
37 Preparation
38 Technical approval
39 Submissions
40 Amendments
APPENDIX A - Draft Modification Leaflet - Standard layout and
             completion instructions
APPENDIX B - Amendments to Draft Modification Leaflets and
             published leaflets
ANNEX B1 - Amendments to Modification Leaflets - Specimen
ANNEX B2 - Statement to accompany draft amendments to
           Modification Leaflets
SECTION 7 - IDENTIFICATION AND RECORDING OF DESIGN AND
            MODIFICATION STATES OF MATERIEL
41 Introduction
42 Identification
43 Mark or Model Numbers
44 Markings
45 Effect of Design Changes on Identification of Items
46 Modification Plates
47 Y-lists of Modifications
48 History Records of Equipment
SECTION 8 - SERVICE MODIFICATIONS
49 Introduction
50 Responsibilities
51 Service Modifications
52 Cover Modifications
53 Design Record of Service Modifications (SM)
54 Limited Design Incorporation
55 Use of Unapproved Equipment
56 Repair and Reconditioning Contracts
SECTION 9 - FATIGUE TYPE RECORD FOR AIRCRAFT
57 Introduction
58 General
59 Ftr Part 1, Historical Record
60 Ftr Part 2, Reassessment of Fatigue Life
61 Ftr Part 3, Reassessment of Inspection Requirements
62 Ftr Part 4, Operation Beyond the Specified Life
APPENDIX C - The Fatigue Type Record, Part 1 Historical
             Record Format and Content
SECTION 10 - HAZARD WARNING MARKING OF GUIDED MISSILES
             AND THEIR EXPLOSIVE PARTS
63 Introduction
64 Marking Requirements

Specifies procedures to be used for the control of designs and design records, and includes material which expands upon the configuration management procedures dealt with in DefStan 05-57, Configuration Management of Defence Material.