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Title / Carry out aeronautical NDT inspections using radiographic gamma ray methods
Level / 4 / Credits / 28
Purpose / People credited with this unit standard are able to carry out aeronautical NDT (non destructive testing) inspections using radiographic gamma ray methods by preparingparts for radiography, producing a radiograph, and completing post-inspection tasks.
Classification / Aeronautical Engineering > Aeronautical Non Destructive Testing
Available grade / Achieved
Entry information
Critical health and safety prerequisites / Candidates must pass the following vision examination:
Near vision acuity
Natural or corrected near-distance acuity in at least one eye to show that the applicant is able to:
–read a minimum of Jaeger Number 2 or equivalent type and size letter at a distance of not less than 30.5 cm (12 inches) on a standard Jaeger test chart; or
–perceive an Ortho-Rater minimum of 8 (or similar test pattern).
Explanatory notes
All tasks are to be carried out in accordance with enterprise procedures, the enterprise being the organisation carrying out the work. Enterprise procedures referred to in this unit standard are the applicable procedures found in the following:enterprise exposition;manufacturer publications;Government and local body legislation;airworthiness authority requirements.
Outcomes and evidence requirements
Outcome 1
Prepare aeronauticalparts for NDT inspections using radiographic gamma ray methods.
Evidence requirements
1.1Task is determined by reviewing maintenance documentation and enterprise procedures.
1.2Work area is prepared, and resources obtained and checked for serviceability or status in accordance with enterprise procedures.
Rangepublications, materials, tools, equipment, safety equipment, environmental conditions established, area secured.
1.3Identification of part is matched with documentation by comparing serial and/or part numbers.
1.4Part is prepared for radiography in accordance with enterprise procedures.
Rangeclean surface finish.
1.5Gamma ray equipment is set up and calibrated in accordance with enterprise procedures.
Rangeorientation, distance, film placement, film identification marking.
Outcome 2
Produce aradiograph.
Evidence requirements
2.1Film is exposed in accordance with enterprise procedures.
Rangecontrol density, sensitivity.
2.2Film is processed in accordance with enterprise procedures.
Rangemanual, automatic.
2.3Radiograph is inspected in accordance with enterprise procedures.
Rangeinspection equipment, standards, specifications, precision measuring equipment, relevant and non-relevant indications.
Outcome 3
Complete post-inspection tasks.
Evidence requirements
3.1Inspected part is prepared for storage or transit in accordance with enterprise procedures.
Rangepost-test clean, inhibit, blank, pack.
3.2Resources are checked for serviceability and returned to service or storage in accordance with enterprise procedures.
Rangetools, equipment, safety equipment, publications.
3.3Leftover materials are disposed of in accordance with enterprise procedures.
Rangemay include but is not limited to – serviceable, unserviceable, waste, hazardous.
3.4Documentation is completed in accordance with enterprise procedures.
Rangemay include but is not limited to – labels, work cards, log books.
3.5Work environment is left in a state thatenables the next task to begin in accordance with enterprise procedures.
Planned review date / 31 December 2018Status information and last date for assessment for superseded versions
Process / Version / Date / Last Date for AssessmentRegistration / 1 / 23 April 1996 / 31 December 2016
Revision / 2 / 7 August 1997 / 31 December 2016
Revision / 3 / 8 May 2001 / 31 December 2016
Review / 4 / 20 June 2006 / 31 December 2016
Review / 5 / 24 October 2014 / N/A
Consent and Moderation Requirements (CMR) reference / 0028
This CMR can be accessed at
Please note
Providers must be granted consent to assess against standards (accredited) by NZQA, before they can report credits from assessment against unit standards or deliver courses of study leading to that assessment.
Industry Training Organisations must be granted consent to assess against standards by NZQA before they can register credits from assessment against unit standards.
Providers and Industry Training Organisations, which have been granted consent and which are assessing against unit standards must engage with the moderation system that applies to those standards.
Requirements for consent to assess and an outline of the moderation system that applies to this standard are outlined in the Consent and Moderation Requirements (CMR). The CMR also includes useful information about special requirements for organisations wishing to develop education and training programmes, such as minimum qualifications for tutors and assessors, and special resource requirements.
Comments on this unit standard
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ServiceIQSSB code 9068 / New Zealand Qualifications Authority 2018