Singapore National Aerospace NDT Board

NON- Destructive Testing Society (Singapore) has reinitiated the establishment of the Singapore National Aerospace NDT Board (NDTSS/NANDTB). This was announced at the meeting held on 8th August 2017 at Changi Airport Recreation club.  NDTSS/NANDTB is an independent national aerospace organization representing the nation’s aerospace industry that is chartered by the participating contractors and recognized by the nation’s regulatory agencies (CAAS) to support NDT qualification and examination services in accordance with EN4179:2017 / NAS 410 Rev4 standard. NDTSS/NANDTB is supported by NDTSS as secretariat for its operation.

NDTSS/NANDTB is also the scheme committee for EN4179:2017 & NAS 410 Rev 4 Certification administered by NDTSS.

The following are the first elected board members during their meeting 16th August 2017. (Term of office 16 August 2017 -15 August 2019)

                   Name                                            Organization                                           Position

  1. Grace Liang Sook Fun           SIA Engineering Company Ltd                                  Chairperson
  2. Tay Hang Chua                       Singapore Aero Engine Services Pte Ltd                  Vice Chair
  3. Arthur Lim Hock Peng          Singapore Aero Engine Services Pte Ltd                  Alternate
  4. Steven Crummack                  Airbus Singapore Private Limited                             Member
  5. Sriram Parasuram                  Pratt & Whitney Singapore                                         Member
  6. Ratnavelu Sopalanivelu        GE Aviation Engine Services Singapore Pte Ltd     Member
  7. Steven Lee                                Honeywell Aerospace Singapore Pte Ltd                 Member
  8. Tan Poh Huat                          Honeywell Aerospace Singapore Pte Ltd                 Alternate
  9. Joshua K. Vanu                       ST Aerospace Engineering Pte Ltd                            Member
  10. Jason Lim                                 ST Aerospace Services Company Pte Ltd                Member
  11. Ong Hoe Soon                          ST Aerospace Services Company Pte Ltd                Alternate
  12. Hendrich Lim                          Rolls-Royce Singapore Pte Ltd                                   Member
  13. Chu Pao Hua                            SAFRAN Landing Gear Systems Pte Ltd                  Member
  14. Mehideen Salim                      SAFRAN Landing Gear Systems Pte Ltd                  Alternate
  15. Dickson Tan                             Pratt & Whitney Canada (SEA) Pte Ltd                    Member
  16. Sze Thiam Siong                      Setsco Services Pte Ltd                                                Co-opted
  17. Charlie Toh                               G-Mech Services Pte Ltd                                             Co-opted
  18. Eugene Ng                                 Civil Aviation Authority of Singapore                      Observer
  19. Wong Chew Wah                      Civil Aviation Authority of Singapore                     Observer
  20. Dr Babu Sajeesh Kumar          Non-Destructive Testing Society (Singapore).      Secretary


  • Approval and promulgation of guidelines for employers implementing EN 4179 & or NAS 410
  • Approval of outside agencies providing training and examinations to EN 4179 /NAS 410 criteria
  • Provide compliance assessments
  • Act as Scheme Committee for EN 4179 aerospace qualification
  • Provide a mechanism for interpretation, adjudication and arbitration in cases of dispute regarding the implementation of certification standards
  • Maintain an overview of the approval of outside agencies and validation of training courses
  • Consider and make recommendations on the acceptance of third party certification as meeting the qualification criteria of EN 4179/NAS 410

Operation of the Board

  • The Board shall regulate and control the implementation of employer based NDT personnel training and certification documents within the Singapore aerospace industry.
  • Formulate the policy framework for any scheme that it establishes.
  • Maintain oversight of the finances of any schemes which it may cause to be implemented, and approve the methods and levels of any charges in connection thereof;
  • Have the authority to set up working groups and committees, establish their terms of reference and set out the procedures whereby they report to the Board.
  • Neither the Board, its Chairperson, individual members, the bodies they represent, nor any working party or sub-committee appointed by the Board shall carry any financial liability for any scheme(s) operated for the Board, or be liable for any damages resulting, or claimed to have resulted, from decisions of personnel implementing the scheme(s), or for any consequential loss arising out of the operation of the scheme(s).

Board Contact


Ms. Grace Liang (Email

Membership for Corporate – Aerospace

Mr. M. S. Vetriselvan (Email: