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DEFSTAN 05-123(PT6)/2(2006) : 2006
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The latest, up-to-date edition.
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TECHNICAL PROCEDURES FOR THE PROCUREMENT OF AIRCRAFT, WEAPONS AND ELECTRONIC SYSTEMS - PART 6: PROCEDURES FOR THE PROCUREMENT OF AIRCRAFT ENGINES AND THEIR ACCESSORIES
Hardcopy , PDF
English
01-01-2006
Introduction
SECTION 0 - GENERAL REQUIREMENTS
1 Scope
2 Warning
3 Normative References
4 Abbreviations
5 Definitions
6 Nomenclature of engines and associated equipment
SECTION 1 - DESIGN CERTIFICATION OF AIRCRAFT ENGINES
7 Introduction
7.1 Design
7.2 Qualification Compliance Programme
7.3 Certificate of design
7.4 Type approval certificates
7.5 Certification by a prime contractor
7.6 Engines certificated to civil requirements
7.7 Design Records
SECTION 2 - APPROVAL OF ALTERNATIVE METHODS OR SOURCES OF
MANUFACTURE OF CRITICAL ENGINE PARTS
8 Introduction
8.1 General
8.2 Definitions
8.3 Requirement
8.4 Testing
8.5 Recording
SECTION 3 - DESIGN CHANGE APPROVAL AND VALIDATION OF
MODIFICATIONS
9 Introduction
9.1 General
9.2 Testing
SECTION 4 - FLIGHT CLEARANCE OF NON-PRODUCTION STANDARD
AND PROTOTYPE UNITS
10 Introduction
10.1 Prototype flight clearance
SECTION 5 - SPECIFICATION PREPARATION
11 Introduction
11.1 UK designed service engines
11.2 Military derivatives of civil engines
11.3 Engines designed under collaborative arrangements
11.4 Changes in design requirements
11.5 Exceptions from the engine specification
SECTION 6 - CONTRACTORS MATERIAL AND PROCESS SPECIFICATIONS
12 Preparation
SECTION 7 - MASS AND CENTRE OF GRAVITY DATA OF AIRCRAFT
ENGINES AND JET PIPES
13 Introduction
13.1 Terms used in recording mass
13.2 Items Not Included in Net Dry Mass Estimation
13.3 Modifications
13.4 Recording of mass and position of centre of gravity
13.5 Mass determination and standards for acceptance
of engines
13.6 Centre of gravity determination and standards for
acceptance of engines
13.7 Mass determination and standards for acceptance of
jet pipes
13.8 Centre of gravity determination and standards for
acceptance of jet pipes
13.9 Mass determination and standards for acceptance
of engine change units
13.10 Centre of gravity determination and standards for
acceptance of engine change units
SECTION 8 - ENGINE AND JET PIPE MOCK-UPS AND INSTALLATION RIGS
14 Introduction
14.1 Purpose
14.2 Computer generated mock-ups
14.3 Mock-up Stages at the engine contractor
14.4 Aircraft contractor's requirements
14.5 Engine change unit mock-up
14.6 Installation jigs
SECTION 9 - SPECIAL INSTRUCTIONS (TECHNICAL) AND
ENGINEERING RECORD CARDS
15 Introduction
15.1 Special instructions (technical)
15.2 Engineering record cards
SECTION 10 - TECHNICAL DOCUMENTATION FOR ENGINES AND
ACCESSORIES
16 Introduction
16.1 MOD IPTL responsibilities
16.2 Publications contracts
16.3 Authorisation of work
16.4 Publications specifications
16.5 Modification leaflets
SECTION 11 - LOCAL TECHNICAL COMMITTEES FOR ENGINES AND
ASSOCIATED EQUIPMENT
17 Introduction
17.1 Scope of committee
SECTION 12 - ALLOTMENT AND MOVEMENT OF ENGINES
18 Introduction
18.1 Movement between sites
18.2 Unserviceable or surplus items
SECTION 13 - REPORTING PROCEDURES FOR MOVEMENT AND
SERVICEABILITY OF ENGINES AND MODULES
19 Introduction
19.1 Engine management responsibilities
19.2 Definitions used in reporting
19.3 Reporting procedures
19.4 Contractors - special requirements
SECTION 14 - REPAIR/SALVAGE SCHEMES FOR ENGINES AND
ASSOCIATED EQUIPMENT
20 Introduction
20.1 General
20.2 Procedures
20.3 Financial considerations
20.4 Lifing considerations
20.5 Application of schemes prior to approval by
the Modification Approval Committee
SECTION 15 - PRODUCTION PROCEDURES FOR ENGINES AND
ASSOCIATED EQUIPMENT
21 Introduction
21.1 Production release procedure
21.2 Production release meetings
21.3 Categories of release to manufacture
21.4 Category updating and cost control
21.5 Progression of deliveries
21.6 Contractual authority
21.7 Overhaul requirement meetings and repair
arising meetings
21.8 Membership and responsibility
21.9 Monitoring of contractor achievement
21.10 Provisioning of spares
21.11 Concessions
21.12 Relaxation of acceptance testing and strip
examination
21.13 Application of quality verification tests
21.14 Applicability
21.15 Responsibilities of the Contractor
21.16 Control of special to contract tools
SECTION 16 - DRAWING PROCEDURE, CONTROL OF DESIGNS
AND DESIGN RECORDS
22 Introduction
22.1 Drawing procedure
22.2 Requirements additional to those of Def Stan 05-10
22.3 Security marking of drawings
22.4 Control of designs and design records
SECTION 17 - POST DELIVERY FAULT REPORTING AND INVESTIGATION
23 Introduction
23.1 Reporting by contractors
23.2 Routing and authorisation of investigation requests
23.3 Numbering of authorisations
23.4 investigation reporting
23.5 Boards of inquiry
23.6 Cancellation of authorised investigations
Annex A - Cross Reference of Superseded Def Stan 05-124 Clauses
Annex B - Example of Flight Clearance Note (FCN)
Annex C - Example of FCN Operating Conditions and Limitations
Annex D - Content and Layout of a Receipt/Despatch Message
Annex E - Module Interchangeability Chart
Annex F - Modularity Interchangeability - Modification Index
Annex G - Engine Reject Message
Annex H - Serious Fault Message
Annex I - Completion and Distribution of Form F761A
Annex J - Overhaul/Investigation Report (Rngine/Module) Mod
Form 761A
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