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SAR 66 Basic Examinations (2), Singapore Airworthiness Requirements Part…

- - - - Part issued on 15 June 2005.
      - Amendments issued and effective on various dates.
      - Latest Amendment 10 on 25 June 2021.
    - - chicago convention-Aircraft tools, excluding airframe or engine parts.
      - contracting state-Any country, including Singapore, party to the Chicago Convention.
      - certifying staff-POA personnel certified by DGCA for CAAS(AW)95 Release.
      - design signatory-DOA personnel certify design data for airworthiness.
      - appliance-Tools or accessories for aircraft operation, excluding airframe or engine parts.
      - EASA-European Aviation Safety
        Agency
      - FAA-Federal Aviation
        Administration of the United States of America
      - major modification-Type design change with significant impact on airworthiness.
      - major repair-Repair with significant impact on airworthiness.
      - article-Refers to product components when applicable.
      - accountable mamager-Manager ensuring DGCA compliance for an Approval holder.
      - minor-In modification or repair, it means anything that is not major.
      - organisation-Refers to any individual, entity, or organization.
      - modification-
        Compliant design change under approved standards.
      - product-an aircraft, engine or propeller.
      - repair-
        Restore to airworthy condition, ensuring compliance with original design standards post damage or wear.
      - singapore technial standart order-
        minimum performance standard set by the DGCA for specified articles.
      - technical standard order-Minimum performance standard issued by the FAA for specified articles.
      - type design-
        Essential data defining a product for airworthiness.
    - - Governs holder privileges.
      - Outlines Approval maintenance.
      - Covers certificates, approvals, and their applications.
      - Part specifies ANO-related requirements.
- - - - Applicability
        
        Foreign Type Certificate: Procedural & Airworthiness Requirements
      - Application
        
        Variant Type Certificate Application: Subpart A
        
        Singapore product changes: Subpart C or agreed procedures.
    - - Manuals
        
        STC applicant must:
        
        Create, keep, and revise manuals as per SAR-21.315 standards.
        
        Update manuals to reflect changes introduced by the supplemental type certificate.
      - Instructions for continued airworthiness
        
        STC applicant needs revised airworthiness instructions per SAR-21.315.
        
        STC applicant distributes revised airworthiness instructions to all operators.
      - Showing of compliance
        
        STC applicant requirements
        
        Submit supporting data to DGCA
        
        Provide a compliance statement for SAR-21.315 standards
        
        Prove product compliance with SAR-21.315 design standards
      - Grant of a supplemental type certificate
        
        DGCA grants STC if:
        
        Safety equivalents cover any unmet requirements.
        
        No unsafe features for requested certification.
        
        Changed product aligns with SAR-21.315 standards.
        
        STC holder must follow Subsection VI besides Subpart rules.
      - Designation of applicable airworthiness design standards
        
        STC applicant follows current airworthiness standards (SAR-21.755)
        
        DGCA may accept older standards if safe or impractical (SAR-21.755)
        
        Inadequate standards may lead to special conditions (SAR-21.770)
      - Record keeping
        
        STC holder maintains updated technical data file per STC.
        
        Keep records for life of products with STC.
      - Design configuration control
        
        Hold Design Organisation Approval (Subpart H)
        
        Show control over design changes or have an arrangement, satisfying DGCA
      - Changes to that part of a product covered by a supplemental type certificate
        
        STC holder needs DGCA approval for major part changes.
        
        Minor changes in STC-covered part by STC holder don't need DGCA approval.
      - Application
        
        Application for supplemental type certificate (STC) to DGCA
        
        Identify necessary investigations
        
        Source of information for STC
        
        Change description
        
        Affected parts and manuals
        
        Airworthiness standards compliance (SAR-21.315)
        
        Identify necessary investigations
        
        Source of information for STC
        
        Change completion in 3 years
        
        Lapse if STC not obtained, new application needed
        
        Use data for major changes: DGCA approved (SAR-21.117)
        
        Use data for minor changes
        
        DGCA approved
        
        Design Organisation Approval (Subpart H)
        
        Accepted by DGCA (SAR-21.117)
      - Transferability
        
        STC transfer allowed to compliant organization with DGCA approval.
      - Privileges of a holder of a supplemental type certificate
        
        STC holder can:
        
        Approve minor design changes.
        
        Engage in production per Subsection III.
        
        Arrange for change embodiment on a product.
      - Applicability
        
        Specifies
        
        Privileges of Supplemental Type Certificate Holder
        
        Supplemental Type Certificate Application Criteria
        
        Non-Singapore applicants require DGCA approval
        
        DGCA requires accepted foreign type certificate
        
        Supplemental Type Certificate: Major Design Change per SAR-21.755
    - - Acceptability of foreign type certificates
        
        Effective on 15 June 2005.
      - Applicability
        
        Outlines requirements in paragraphs 8 and 17A of the Air Navigation Order (ANO)
      - Grant of a letter of acceptance of type certificate
        
        Applicable type certification basis
        
        Standards of aircraft noise, CO2 emission and engine emission
        
        Safe for the intended use
      - Acceptability of data under a mutual recognition agreement or arrangement
        
        Appproved by EASA
        
        Issued by FAA certificate holder
        
        Approved by FAA
        
        Issued by EASA certificate holer
      - Application
        
        SAR-21.755 aircraft emission standards
        
        SAR 21.755 design standards
    - - STSO Certificate of Approval
        
        DGCA may grant STSO if requirements met, possibly with conditions.
        
        STSO holder follows Subsection VI & Subpart rules.
      - Record keeping
        
        STSO Certificate holder retains records for 2 years after STSO article production stops:
        
        Technical data file (drawings, specs, reports).
        
        Inspection records for compliance tests.
      - Design configuration control
        
        STSO Certificate applicant must:
        
        Design Org Approval (Subpart H)
        
        have DGCA-accepted arrangement for STSO design configuration control.
      - Design changes to STSO articles
        
        Major STSO design changes require new SAR-21.455 application.
      - Application
        
        TSO Certificate application requires:
        
        Certification of compliance.
        
        Model & component numbers.
        
        Technical data per standards.
        
        Instructions for Continued Airworthiness (if applicable).
        
        Compliance with SAR-21.760 standards.
        
        Design configuration control procedures.
        
        Significant implications may require DOA under Subpart H.
        
        Deviations need evidence for equivalent safety.
      - Privileges of a holder of STSO Certificate of Approval
        
        STSO Certificate holder privileges (SAR-21.480):
        
        Approve minor design changes.
        
        Engage in production per Subsection III.
        
        Mark STSO articles as DGCA-approved following SAR-21.1020(j).
      - Applicability
        
        Subpart specifies:
        
        STSO Certificate application requirements and privileges.
        
        STSO Approval: Meets SAR-21.760.
        
        DGCA won't grant if non-Singapore location burdens certification, unless manageable.
    - - Application
        
        Repair design Approval application must:
        
        Provide substantiation data ensuring continued compliance.
        
        Present a compliance statement.
        
        Include compliance with SAR-21.755 standards.
        
        Include necessary instructions, limitations, and updates.
        
        Comply with DGCA-approved data for major repairs (SAR-21.117), or minor repairs (DGCA/Holder's approval or SAR-21.117 acceptance).
        
        Follow DGCA's acceptable format.
      - Design configuration control
        
        Repair design Approval applicant:
        
        Requires Design Organisation Approval (Subpart H).
        
        OR needs DGCA-approved arrangement for repair design control demonstration.
      - Applicability
        
        Subpart specifies DGCA's repair design Approval requirements.
        
        Definitions:
        
        Restoration without design is maintenance.
        
        Repair to STSO article equals SAR-21.475 design change.
      - Repair design Approval
        
        DGCA grants repair design Approval if requirements met, with conditions if needed.
        
        Repair design Approval holder follows Subsection VI & Subpart rules.
      - Record keeping
        
        Holder keeps records for repair life:
        
        Technical data (drawings, specs, reports).
        
        Inspection records for compliance.
      - Design changes to approved repairs
        
        Repair design Approval for product/article repairs.
        
        Design change in repair needs SAR-21.505 reapplication.
    - - Exposition Document
        
        DOA holder maintains Exposition Document:
        
        Accountable manager signs before DGCA submission.
        
        Updates need DGCA approval for accuracy.
        
        Describes organization, design system per SAR-21.670.
      - Design control system
        
        DOA holder's design control system:
        
        Maintains detailed record-keeping.
        
        Implements corrective and change procedures.
        
        Identifies authorized design certifiers.
        
        Specifies quality assurance and audits.
        
        Ensures compliance with safety standards.
        
        Verifies designs used for production by POA holders.
        
        Clearly defines designs and changes.
        
        Follows SAR-21.665 Exposition Document.
      - Application
        
        DOA application follows DGCA's acceptable format.
      - Collaboration between design and production
        
        DOA maintains design-production collaboration for product integrity.
      - Requirement to hold a DOA
        
        Approval holders require DOA unless decided otherwise by DGCA:
        
        Supplemental type certificate.
        
        Modification or repair Approval.
        
        Type certificate.
        
        STSO Certificate of Approval for an article.
      - Continued airworthiness
        
        DOA offers airworthiness instructions, if needed.
      - Applicability
        
        DOA holder rules.
        
        DOA holder privileges.
        
        DOA grant procedures.
      - Grant of Approval
        
        Subpart-compliant applicant may get DOA with conditions.
        
        DOA holders follow Subsection VI.
      - Privileges of a holder of a DOA
        
        DOA holder, within scope:
        
        Approves minor changes.
        
        Arranges DGCA-approved production.
        
        Conducts design, issues compliance statements.
    - - STSO articles
        
        FAA-defined standards for TSO approval.
        
        EASA-established standards for ETSO authorization.
        
        DGCA-issued standards for STSO approval.
      - Standard parts, materials, and processes
        
        DGCA accepts industry specs for airworthiness.
      - Products
        
        Airworthiness design standards:
        
        FAA regulations (Parts 23, 25, 27, 29, 33, 35)
        
        DGCA-issued standards
        
        Engine emissions: ICAO Annex 16 or equivalents.
        
        CO2 emissions: ICAO Annex 16 or alternatives.
        
        Noise: ICAO Annex 16 or alternatives.
      - Special conditions
        
        DGCA can impose unique safety conditions.
        
        If SAR-21.755 lacks safety for a product.
        
        Due to novel design (a) or unconventional use (b).
      - Applicability
        
        Sets standards for:
        
        Parts, processes, appliances under STSO
        
        Standard parts, materials, processes
        
        Products
- - - - Production control system
        
        POA holder's production control system must:
        
        Identify approved designs.
        
        Document inspections for materials.
        
        Outline production inspection procedures.
        
        Control nonconforming materials.
        
        Identify special production processes.
        
        Detail quality assurance and audits.
        
        Identify certifying staff for releases.
        
        Ensure conformity and safety.
        
        Include corrective action procedures.
        
        Coordinate with the design organization.
        
        Mark products with essential information.
        
        Establish a record-keeping system.
        
        Adhere to the Exposition Document in SAR-21.1015.
      - Relationship between production and design
        
        Have design approval or acceptable arrangement.
        
        Maintain close collaboration for product integrity.
      - Exposition Document
        
        Exposition describes SAR-21.1020 production control system.
        
        Exposition lists POA holder's authorizations to subsidiaries or subcontractors.
        
        POA holder keeps concise Exposition on org, personnel, resources, production, conformity, compliance.
        
        Exposition Document signed by manager before DGCA approval.
        
        Keep Exposition updated, submit amendments to DGCA for approval.
      - Record keeping
        
        Product records until permanently withdrawn.
        
        Article records for 2 years after production.
      - Application
        
        POA application must meet DGCA's criteria.
      - Grant of Approval
        
        Compliance with Subpart satisfies Authority for POA grant.
        
        POA holder must also adhere to Subsection VI.
      - Requirement to hold a POA
        
        No production allowed without a POA or a Subpart K letter of agreement.
      - Privileges of a holder of a POA
        
        POA holder, within approval scope, can:
        
        Produce products and articles.
        
        Issue Authorised Release Certificates (Form CAAS(AW)95) for produced articles.
      - Applicability
        
        Subpart specifies:
        
        (a) Procedural requirements for POA grant.
        
        (b) Holder requirements for POA.
        
        (c) Privileges of POA holder.
    - - Production quality system, STSO articles
        
        Establish quality procedures for STSO articles.
        
        Ensure conformity with approved design data.
        
        Confirm articles have no unsafe features.
        
        Comply with STSO marking and record-keeping in Subpart J.
      - Application for and grant of a letter of agreement
        
        Applicant ensures DGCA of satisfactory production without a POA.
        
        Subpart compliance may lead to a letter of agreement.
        
        Applicant can seek limited production without a POA in Subpart J.
- - - - (b) IEM helps illustrate the meaning of a requirement.
      - (a) AMC illustrates means of meeting requirements.
- - - - This SAR-145 prescribes the requirements for issuing approvals to organisations for the maintenance of:
      - (1) Singapore aircraft and aircraft components intended for fitment on a Singapore aircraft under paragraph 8A(1) of the ANO; or
      - (2) Foreign aircraft and aircraft components intended for fitment on a foreign aircraft under paragraph 8B(1) of the ANO or, if the maintenance is performed in accordance with an international maintenance agreement between the DGCA and another state’s authority.
  - - - The SAR-145 was first issued in January 1996. Amendment 1 was issued in September 2000. Amendment 2 issued on 1 July 2003 became effective on 1 January 2004. Amendment 3 became effective on 1 April 2004. Amendment 4 became effective on 4 June 2004. Amendment 5 became effective on 15 August 2006. Amendment 6 became effective on 17 Jul 2008. Amendment 7 became effective on 1 January 2009. Amendment 8 became effective on 19 March 2010. Amendment 9 was issued on and became effective on 15 July 2010. Amendment 10 was issued on and became effective on 18 June 2011. Amendment 11 was issued on and became effective on 5 October 2012. Amendment 12 was issued on and became effective on 6 September 2013. Amendment 13 was issued on and became effective on 1 March 2017. Amendment 14 was issued on and became effective on 1 June
      - SAR-145 Section 1
      - First Issue, Amendment 18 1-2 25 June 2021
      - Amendment 15 was issued on and became effective on 5 October 2018. Amendment 16 was issued on and became effective on 1 November 2018. Amendment 17 was issued on and became effective on 5 November 2020.
  - - - In addition to the appropriate SAR-145.30(f) and (g) sub-paragraph(s), the SAR-145 approved maintenance organisation must ensure that certifying staff receive Human Factors training and have an adequate understanding of the relevant aircraft and/or aircraft component(s) to be maintained, together with the associated organisation procedures before the issue or re-issue of the SAR-145 certification authorisation. Relevant aircraft and/or aircraft component(s) means
      - SAR-145 Section 1
      - First Issue, Amendment 17 1-6 5 November 2020
      - those aircraft and/or aircraft component(s) specified in the particular SAR-145 certification authorisation.
  - - - Except where stated otherwise in subparagraphs (d), (e) and (f) a certificate of release to service must be issued by appropriately authorised certifying staff on behalf of the SAR-145 approved maintenance organisation when satisfied that all maintenance required by the customer of the aircraft or aircraft component has been properly carried out by the SAR-145 approved maintenance organisation in accordance with the procedures specified in the SAR-145.70 maintenance organisation exposition taking
      - SAR-145 Section 1
      - First Issue, Amendment 17 1-8 5 November 2020
      - into account the availability and use of the maintenance data specified in SAR-145.45.
      - Note: An aircraft component which has been maintained off the aircraft requires the issue of a certificate of release to service for such maintenance and another certificate of release to service in regard to being installed properly on the aircraft when such action occurs.
- - - - (d) Amendment 3 was issued on and became effective on 3 November 2022.
      - (c) Amendment 2 was issued on and became effective on 8 August 2017.
      - (b) Amendment 1 was issued on and became effective on 15 December 2006.
      - (a) This SAR-39 was first issued on and became effective on 15 November 2003.
  - - - (a) To request approval for an alternative means of compliance to an Airworthiness Directive or foreign airworthiness directive, the applicant must provide the following information to the Authority:
      - Aircraft details, including make, model, and serial number.
      - Registration markings of the aircraft, if applicable.
      - Applicant's name and address.
      - Identification of the specific Airworthiness Directive or foreign airworthiness directive.
      - Substantiating data demonstrating that the proposed alternative ensures a safety level equivalent to the specified directive.
      - Additional details as required by the Authority, related to the aircraft, aircraft component, or alternative means of compliance approval.
      - (b) The Authority may grant approval for the alternative means of compliance if it determines that the proposed method ensures a safety level equivalent to compliance with the requirements of the original Airworthiness Directive or foreign airworthiness directive.