NZQA registered unit standard
28140 version 1
Page 1 of 3
Title
Visually inspect aircraft metal structures
Level
4
Credits
5
Purpose
People credited with this unit standard are able to prepare to
carry out visual inspections of metal aircraft structures; and
visually inspect aircraft metal 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
Range
structures may include but are not limited to – metal 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 from the aircraft to meet the
evidence requirements of this unit standard.
Outcomes and evidence requirements
Outcome 1
Prepare to carry out visual inspections of metal 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
publications, cleaning materials, tools, safety equipment,
illumination, magnifying glass, mirror.
Service Skills Institute – Aeronautical Engineering
Advisory Group
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
1.3
28140 version 1
Page 2 of 3
Structural area to be inspected is cleaned in accordance with enterprise
procedures.
Outcome 2
Visually inspect aircraft metal 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 and unit standard 28139 replaced unit
standard 4074.
Planned review date
31 December 2018
Status information and last date for assessment for superseded versions
Process
Version Date
Last Date for Assessment
Registration
1
17 July 2014
N/A
Consent and Moderation Requirements (CMR) reference
0028
This CMR can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.
Service Skills Institute – Aeronautical Engineering
Advisory Group
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
28140 version 1
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.
Service Skills Institute – Aeronautical Engineering
Advisory Group
 New Zealand Qualifications Authority 2016