NZQA Expiring unit standard
4074 version 5
Page 1 of 3
Title
Visually inspect aircraft metal and composite structures
Level
4
Credits
5
Purpose
People credited with this unit standard are able to prepare to
carry out visual inspections of metal and composite aircraft
structures, and visually inspect aircraft metal and composite
structures.
Classification
Aeronautical Engineering > Aircraft Structures
Available grade
Achieved
Explanatory notes
1
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.
2
Structures may include but are not limited to – metal and composite structures, main
frames, auxiliary structures, plates/skin, attached fittings, aerodynamic fairings, flight
control surfaces, doors, rigid integral fuel tanks.
3
Structural components do not need to be removed to meet the intent of this unit
standard.
Outcomes and evidence requirements
Outcome 1
Prepare to carry out visual inspections of metal and composite aircraft structures.
Evidence requirements
1.1
Inspection requirement is determined by reviewing maintenance documentation
and enterprise procedures.
1.2
Work area is prepared, and resources obtained and checked in accordance with
enterprise procedures.
Range
ServiceIQ
SSB Code 9068
publications, cleaning materials, tools, safety equipment,
illumination, magnifying glass, mirror.
 New Zealand Qualifications Authority 2016
NZQA Expiring unit standard
1.3
4074 version 5
Page 2 of 3
Structural area to be inspected is cleaned in accordance with enterprise
procedures.
Outcome 2
Visually inspect aircraft metal and composite structures.
Evidence requirements
2.1
Structures are visually inspected in accordance with enterprise procedures.
2.2
Defects are located and identified in accordance with enterprise procedures.
may include but is not limited to – cracking, corrosion, distortion,
leaks, fretting, stress, scoring, loose fasteners, damage to
protective finish, wear delamination.
Range
2.3
Aircraft is inspected after an abnormal occurrence in accordance with enterprise
procedures.
may include but is not limited to – heavy landing, bird strike,
lightning strike, extreme turbulence, foreign object damage,
corrosive substance spillage, flap down overspeed;
evidence is required for a minimum of three types of occurrence.
Range
2.4
Defects found during inspection are reported and documented in accordance
with enterprise procedures.
2.5
Documentation is completed in accordance with enterprise procedures.
Replacement information
This unit standard has been replaced by unit standard
28139 and unit standard 28140.
Status information and last date for assessment for superseded versions
Process
Version Date
Last Date for Assessment
Registration
1
19 June 1995
31 December 2018
Revision
2
7 August 1997
31 December 2018
Revision
3
8 May 2001
31 December 2018
Review
4
20 April 2006
31 December 2018
Review
5
17 July 2014
31 December 2018
Consent and Moderation Requirements (CMR) reference
0028
This CMR can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.
ServiceIQ
SSB Code 9068
 New Zealand Qualifications Authority 2016
NZQA Expiring unit standard
4074 version 5
Page 3 of 3
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
Please contact ServiceIQ qualifications@serviceiq.org.nz if you wish to suggest changes
to the content of this unit standard.
ServiceIQ
SSB Code 9068
 New Zealand Qualifications Authority 2016