Unit of competency Outline
Date retreived
24/07/2026 4:54 AM AWST
24/07/2026 4:54 AM AWST
Whilst all efforts are made to provide accurate and timely information from the relevant source/documentation, please be aware that the information supplied may not be the most current version. The accuracy of the detail has not been confirmed by the Department and therefore should not be relied upon without first confirming the contents.
Defuel aircraft
Defuel aircraft
Unit of competency
National Code
AVIW3011B
AVIW3011B
State Code
WB825
WB825
TGA Status
Replaced
Replaced
DTWD Status
Replaced
Replaced
State Implementation and Classification
Approved Date
21/03/2013
Field of Education
031503 - Aircraft Maintenance Engineering
Original Release Date
21/03/2013
Nominal Hours
40
Description
This unit involves the skills and knowledge required to defuel an aircraft in accordance with workplace procedures and regulatory requirements, including completing preliminary checks and operations, positioning the fueller/dispenser vehicle, conducting required quality checks, and carrying out defuelling operations. It also includes the required knowledge and skills to complete all documentation and post-defuelling operations. Licensing, legislative, regulatory or certification requirements are applicable to this unit.
Notes
Elements and Performance Criteria
1Complete preliminary checks and operations
- 1.1 Reason for defuelling and the quantity of fuel to be defuelled is confirmed
- 1.2 Type of aircraft and requirement for overwing or underwing operation is confirmed
- 1.3 Pre-operational checks on vehicle and auxiliary equipment are made
- 1.4 Ullage in fueller/defuelling vehicle is checked
2Position fueller/dispenser vehicle
- 2.1 Fueller vehicle is started and driven to aircraft in accordance with workplace procedures, regulatory requirements and local instructions
- 2.2 The aircraft is approached only after checks are made to confirm that aircraft engines have stopped and aircraft wheel chocks are in place
- 2.3 Vehicle is positioned and parked either underwing or standoff depending on aircraft type in accordance with workplace procedures, regulatory requirements and local instructions
- 2.4 Appropriate precautions are taken to avoid risk of collision with aircraft control surfaces, aircraft engines and other vehicles
- 2.5 Parking position of fueller vehicle provides easiest route for evacuation in the event of an emergency
3Conduct quality checks on product
- 3.1 Required documentation is obtained from airline engineer/representative
- 3.2 Sample of product on board aircraft is obtained and visual quality checks are made in accordance with workplace procedures
- 3.3 If quality checks are satisfactory, decision is made to proceed with defuelling
- 3.4 If quality checks are unsatisfactory, action is taken to report situation to supervisor. If defuelling is to continue, aircraft fuel is defuelled into either an empty tank or into a drained fueller and, if approved, the fuel is delivered back to the same airline
4Defuel aircraft
- 4.1 Vehicle is grounded and the bonding lead is connected to the aircraft in accordance with workplace procedures and regulatory requirements
- 4.2 All required pre-defuelling safety precautions are taken in accordance with workplace procedures and regulatory requirements
- 4.3 Defuelling operations are commenced either using the auxiliary power unit (APU) or the ground power unit (GPU) in accordance with workplace procedures and regulatory requirements
- 4.4 At the completion of defuelling operations, the quantity defuelled is verified in accordance with workplace procedures
5Complete documentation
- 5.1 All required defuelling documentation is completed in accordance with workplace procedures
6Complete post-defuelling operations
- 6.1 Hoses are disconnected, retracted and stowed in accordance with workplace procedures
- 6.2 Defuelled fuel confirmed as acceptable for return to storage is either discharged into designated segregated storage tank or retained in fueller for delivery back to airline concerned
- 6.3 Defuelled fuel found to be contaminated is disposed of in accordance with workplace procedures and regulatory requirements
- 6.4 Fueller used to transfer contaminated fuel is de-contaminated in accordance with workplace procedures and regulatory requirements
RANGE STATEMENT
The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance.
Defuelling operations may be carried out:
for any aircraft types
at major or minor airports
in any allowable operating and weather conditions
in accordance with regulatory requirements, operational requirements and local instructions
Performance may be demonstrated:
in an approved simulated defuelling situations and/or
during defuelling operations at an airport
Pre-operational checks may include:
serviceability of ladder or portable steps (cracks or damage that would render them unsafe)
fire extinguishers (correctly stowed and fully charged)
personal protection equipment (PPE)
sampling equipment and water detection capsules
visual inspection for leaks, defects and obstructions
sufficient fuel in fueller for planned refuelling job (fueller must be manually dipped prior to shift and measured volume recorded and reported)
radio check with base
required documentation
check that brake interlock override switch seal is intact
auxiliary equipment is functional
brake test (after moving but before leaving depot)
Personal protection equipment may include:
gloves
safety headwear and footwear
hearing protection
safety glasses
mask or respirator
high visibility clothing
approved uniform
Persons consulted during refuelling operations may include:
aircrew
airline engineers or representatives
other refuelling staff
supervisors and managers
ground support staff
technical staff
Hazards may include:
hot engines, static electricity, sparks and other forms of ignition
contamination of, or from, materials being handled
spill, leakages, ruptures
fuel vapours
other vehicles on tarmac
jet blast
rotating propellers
hazardous or dangerous materials
noise
dust
other additives (e.g. water, methanol, icing inhibitors)
Hazard management is:
consistent with the principle of hierarchy of control with elimination, substitution, isolation and engineering control measures being selected before safe working practices and personal protective equipment
Dependent on the type of organisation concerned and the local terminology used, workplace procedures may include:
company procedures
enterprise procedures
organisational procedures
established procedures
local instructions
standard operating procedures
Information/documents may include:
sections of Civil Aviation Safety Regulations and Civil Aviation Orders relevant to defuelling operations
IATA Guidelines for Aviation Fuel Quality Control, and Operating Procedures for Joint Inter Plane Fuelling Services (JIG Guidelines)
OH&S and environmental protection regulations
workplace procedures and instructions and job specification
fuelling operational checklists
emergency procedures
flight schedules
manufacturers specifications and instructions for the fueller/dispenser vehicle and auxiliary equipment
induction and training materials
local instructions
conditions of service, legislation and industrial agreements including workplace agreements and awards
Applicable regulations and legislation may include:
relevant Civil Aviation Safety Regulations and Civil Aviation Orders
IATA Guidelines for Aviation Fuel Quality Control, and Operating Procedures for Joint Inter Plane Fuelling Services (JIG Guidelines)
Australian Dangerous Goods Code (ADG Code)
relevant OH&S legislation
environmental protection legislation
relevant Australian Standards
industrial relations and workplace compensation legislation
The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance.
Defuelling operations may be carried out:
for any aircraft types
at major or minor airports
in any allowable operating and weather conditions
in accordance with regulatory requirements, operational requirements and local instructions
Performance may be demonstrated:
in an approved simulated defuelling situations and/or
during defuelling operations at an airport
Pre-operational checks may include:
serviceability of ladder or portable steps (cracks or damage that would render them unsafe)
fire extinguishers (correctly stowed and fully charged)
personal protection equipment (PPE)
sampling equipment and water detection capsules
visual inspection for leaks, defects and obstructions
sufficient fuel in fueller for planned refuelling job (fueller must be manually dipped prior to shift and measured volume recorded and reported)
radio check with base
required documentation
check that brake interlock override switch seal is intact
auxiliary equipment is functional
brake test (after moving but before leaving depot)
Personal protection equipment may include:
gloves
safety headwear and footwear
hearing protection
safety glasses
mask or respirator
high visibility clothing
approved uniform
Persons consulted during refuelling operations may include:
aircrew
airline engineers or representatives
other refuelling staff
supervisors and managers
ground support staff
technical staff
Hazards may include:
hot engines, static electricity, sparks and other forms of ignition
contamination of, or from, materials being handled
spill, leakages, ruptures
fuel vapours
other vehicles on tarmac
jet blast
rotating propellers
hazardous or dangerous materials
noise
dust
other additives (e.g. water, methanol, icing inhibitors)
Hazard management is:
consistent with the principle of hierarchy of control with elimination, substitution, isolation and engineering control measures being selected before safe working practices and personal protective equipment
Dependent on the type of organisation concerned and the local terminology used, workplace procedures may include:
company procedures
enterprise procedures
organisational procedures
established procedures
local instructions
standard operating procedures
Information/documents may include:
sections of Civil Aviation Safety Regulations and Civil Aviation Orders relevant to defuelling operations
IATA Guidelines for Aviation Fuel Quality Control, and Operating Procedures for Joint Inter Plane Fuelling Services (JIG Guidelines)
OH&S and environmental protection regulations
workplace procedures and instructions and job specification
fuelling operational checklists
emergency procedures
flight schedules
manufacturers specifications and instructions for the fueller/dispenser vehicle and auxiliary equipment
induction and training materials
local instructions
conditions of service, legislation and industrial agreements including workplace agreements and awards
Applicable regulations and legislation may include:
relevant Civil Aviation Safety Regulations and Civil Aviation Orders
IATA Guidelines for Aviation Fuel Quality Control, and Operating Procedures for Joint Inter Plane Fuelling Services (JIG Guidelines)
Australian Dangerous Goods Code (ADG Code)
relevant OH&S legislation
environmental protection legislation
relevant Australian Standards
industrial relations and workplace compensation legislation
EVIDENCE GUIDE
The Evidence Guide provides advice on assessment and must be read in conjunction with the performance criteria, required knowledge and skills, the range statement and the assessment guidelines for this Training Package.
Critical aspects for assessment and evidence required to demonstrate competency in this unit
The evidence required to demonstrate competency in this unit must be relevant to and satisfy all of the requirements of the elements and performance criteria of this unit and include demonstration of applying:
the underpinning knowledge and skills
relevant legislation and workplace procedures
other relevant aspects of the range statement
Context of and specific resources for assessment
Performance is demonstrated consistently over a period of time and in a suitable range of contexts
Resources for assessment include:
a range of relevant exercises, case studies and/or other simulated practical and knowledge assessment, and/or
access to an appropriate range of relevant operational situations in the workplace
In both real and simulated environments, access is required to:
relevant and appropriate materials and equipment, and
applicable documentation including workplace procedures, regulations, codes of practice and operation manuals
Method of assessment
Assessment of this unit must be undertaken by a registered training organisation
As a minimum, assessment of knowledge must be conducted through appropriate written/oral tests
Practical assessment must occur:
through activities in an appropriately simulated environment at the registered training organisation, and/or
in an appropriate range of situations in the workplace
The Evidence Guide provides advice on assessment and must be read in conjunction with the performance criteria, required knowledge and skills, the range statement and the assessment guidelines for this Training Package.
Critical aspects for assessment and evidence required to demonstrate competency in this unit
The evidence required to demonstrate competency in this unit must be relevant to and satisfy all of the requirements of the elements and performance criteria of this unit and include demonstration of applying:
the underpinning knowledge and skills
relevant legislation and workplace procedures
other relevant aspects of the range statement
Context of and specific resources for assessment
Performance is demonstrated consistently over a period of time and in a suitable range of contexts
Resources for assessment include:
a range of relevant exercises, case studies and/or other simulated practical and knowledge assessment, and/or
access to an appropriate range of relevant operational situations in the workplace
In both real and simulated environments, access is required to:
relevant and appropriate materials and equipment, and
applicable documentation including workplace procedures, regulations, codes of practice and operation manuals
Method of assessment
Assessment of this unit must be undertaken by a registered training organisation
As a minimum, assessment of knowledge must be conducted through appropriate written/oral tests
Practical assessment must occur:
through activities in an appropriately simulated environment at the registered training organisation, and/or
in an appropriate range of situations in the workplace
Replaced By
| State Code | National Code | Title | Type |
|---|---|---|---|
| AWP08 | AVIW3011 | Defuel aircraft | Unit of competency |
| State Code | National Code | Title | Type |
|---|---|---|---|
| S628 | AVI30408 | Certificate III in Aviation (Ground Operations and Service) | Qualification |