Aeronautical Design Standard (ADS) Handbook- Source Approval and Engineering Requirements for Alternate Sources of Helicopter Drive System Assemblies and Components

1 Scope:

• 1.1 This Aeronautical Design Standard (ADS) specifies Source Approval and Engineering Test requirements for alternate sources of helicopter drive system assemblies and components. These requirements are necessary to insure that an alternate source has the advanced manufacturing and assembly skills required to produce these complex parts. Completion of these requirements before contract award is necessary to reduce procurement risk associated with overcoming technical issues with first-time producers of these parts. Fielding of parts before the capabilities of the alternate source is substantiated could result in failures and/or early removals in the field, which may significantly impact the safety and reliability of the weapon systems they are used on. These requirements are based on the requirements used to qualify the original source of the part. The requirements specified in this ADS must be substantiated by a candidate alternate source before they will be approved to bid on a contract for that part.
• 1.2 This ADS does not specify fatigue test requirements.
• 1.3 This handbook is for guidance only. This handbook cannot be cited as a requirement. If it is, the contractor does not have to comply.

2 References:

• Competition Advocates Shopping List (CASL)
• Engineering Test Standard One (TEST-STD-1) Engineering Test Requirements for New Sources
• Quality Engineering Standard One (QE-STD-1) Flight Safety Parts - Quality System Requirements

3 Requirements:

3.1 General
•3.1.1 Components for which this ADS applies are listed in Attachment 1.
•3.1.2 Approval of a candidate alternate source to provide a specific component does not imply the alternate source is approved to provide other components.
•3.1.3 When a component listed in Attachment 1 is an assembly (i.e., it contains other components) the alternate source must become approved to produce those parts used in that assembly which are not being procured from approved sources. The alternate source must meet the requirements specified in this ADS for all of the components they produce themselves and for which they have not previously been given approval. They must also meet the requirements specified in this ADS for the assembly itself. Components which are assemblies of other parts are listed in Attachment 1.