Tap Testing NDI of composite parts

Course code: TECH-009 

Course duration: 2

All EFC courses comply SAE-CACRC, FAA, CAA and EASA standards.

This is a Training 'level 2-3 composite NDI course. It is a "Basic" composite parts Tap testing (NDI) course designed to meet the requirements of a wide range of participants / technicians, Certifying staff, NDI inspectors ands quality control inspectors, who want to have a better understanding and importance of tap testing on advanced composite parts with thin skins .

Advised Pre-requisites

  • Basic knowledge of Advanced composites
  • Normal hearing in both ears preferebly tested
  • Checking your hearing quality is an important step if you profeesionally want to perform Tap testing on composite parts
  • Inspectors that can hear satesfactorily.

Personnel of technical departments with prior experience in Composites and wanting to gain a better understanding of inspection of parts made off advanced composite materials by means of Tap testing for delamionation or dis-bonds 
Personnel with some composite fabrication & repair experience

Number of participants: Minimum required 4 and Maximum 16 per course*.
* Courses will be confirmed as running by EFC as soon as sufficient applications are received! 

To provide participants with theoretical knowledge and practical Hands-On skills necessary to carry out basics off  tap testing.

At the end of the course the participants:

  • Must be attentive to details in composite parts

Course Content Theory  (Level 1-2)

  • Limitations
  • General tap tesiting procedures for damge and repair inspection on honeycomb structure with thin skins References:
    NDI Part 1, 51-01-01 Inspection of repairs
    NDI Part 2, 51-00-02 Substructure Fracture in Composite structure
    NDI Part 4, 51-00-05 Bondtest inspection of Honeycomb Structure
    Use of refence standards
  • Tap sound definitions
  • Application off Tap scan patterns
  • Examine honeycomb structures
  • How to make an Analysis of the Inspection Results
  • Tapping Equipment and illustrations:
    Boeing and Airbus Tap Test tools
    RD3 tap hammer
    Woodpecker WP-632 
  • Introduction to advanced Aircraft composite structures/ and Aircraft metal bonded structures
  • Composite awareness & reporting damage incidents
  • Preperation of tap erea                                                                         
  • Minor Damage assessment, impact, dents scratches and others     
  • Accept or reject criteria
  • Quality Asurance

Workshop exercises: (Level 1-2)

Participants will be intensively monitored while tap testing prepared reinforced fiber laminates /sandwhich construtions from Carbon UD, sandwich parts fabricated from Carbon, Aramid and Glass Fiber prep-pregs and dry fiber material with various ply lay-Up directions.

  • Post Inspection and cleaning of parts
  • Damage assessment, mapping and reporting 
  • Determine damage types and size in fiber laminates and sandwhich structures
  • Acept or reject parts


  • Multiple choice questions from each of the teachings Level 1-2 
  • Successful completion is 75% correct answers
  • The examination will be closed book and  can be conducted by a Part 147 approved Examiner
    on request 
  • The practical mark will be the average of all marks gained from the practical NDI exercises
    Assessment activities are built into our courses, to give feedback on the achievement and personal potential and kept record in a personal logbook per student.  
  • All grades will be recorded in the participant individual training records and kept on record at EFC for unlimited time (compliant with Reference EASA Commission Regulation (EU) No 1321/2014)

Note for companies only: 

  • Course dates as noted on our schedule can be adjusted on request to a required starting date.

This course can also be held at our facility in, Bicester, UK at the Bicester Banbury College. 
Minimum participants: 4 and max. 12. See our course schedule
Contact our purchasing manager Rolf Hovener via e-mail at r.a.hover@efcomposites.com or info@efcomposites.com

Request for 'On-Site' Training
This course can be requested for an 'On-Site' training at your company under our certain "Terms & Conditions"

For information & requirements, contact our business & purchasing manager Rolf Hovener via e-mail at r.a.hover@efcomposites.com or Owner / Founder Bert Groenewoud via e-mail at info@efcomposites.com

Course Pricing
All listed course prices are Excl VAT. (Dutch VAT is 21%). EFC complies with Dutch tax laws. On request, companies can be sent an invoice instead of paying direct on-line with PayPal, IDEAL or credit card.

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