AGL Maintenance Work Safety: LOTO, Permits, PPE & Hazards
Electrical hazards, hazardous energy, permits, movement-area access and the work environment have to be controlled together. This guide covers isolation, lockout-tagout, permits, PPE, night work, excavation, pits, testing, stop-work conditions and controlled handback.
Why AGL Maintenance Safety Needs Its Own Controls
Airfield Ground Lighting (AGL) maintenance takes place in an environment where electrical hazards, equipment risks and aircraft movement must be controlled together.
Work on runway lights, taxiway circuits, Constant Current Regulators (CCRs), isolating transformers, cables, connectors and lighting control systems may expose personnel to electrical energy, unexpected energisation, stored energy, vehicle movements, excavation hazards and restricted working conditions.
A safe maintenance activity requires an approved work plan, a task-specific risk assessment, authorized personnel, appropriate isolation arrangements, airport operational coordination, suitable personal protective equipment (PPE) and a documented process for completing and handing back the work.
This guide explains the principal safety considerations for AGL maintenance, installation, testing and fault investigation.
AGL Maintenance Safety Standards and Responsibilities
Safety planning should begin before personnel enter the work area or interact with the equipment.
AGL work may affect both the electrical system and airport operations. For example, a maintenance activity could leave a circuit unavailable, require access to a movement area, involve temporary equipment positioning or affect the availability of a visual aid.
The work team must understand the authorized work scope and the operational consequences of the planned activity.
Key safety responsibilities
| Role | General responsibility |
|---|---|
| Airport operations / designated authority | Coordinates approved access and operational restrictions under the airport's procedures |
| Maintenance supervisor | Confirms work scope, personnel, resources, hazards and required authorizations |
| Authorized electrical personnel | Perform electrical work and isolation activities within their authorization |
| Permit issuer / authorizing authority | Issues or approves permits according to the applicable permit system |
| Work team | Follows the risk assessment, procedures, work-zone controls and communication arrangements |
| Safety or quality personnel, where assigned | Conduct required inspections, checks or audits |
| Responsible handback authority | Reviews required completion information and accepts the system or work area in accordance with the applicable procedure |
Before Work Begins
Confirm the following:
- The work scope, location, equipment and circuit are clearly identified.
- The task risk assessment and method statement have been reviewed where required.
- Required permits and authorizations have been obtained.
- The impact on runway, taxiway or other lighting availability has been assessed and communicated.
- Movement-area access and operational coordination arrangements are confirmed.
- Electrical isolation and hazardous-energy controls are defined for the task.
- Personnel are competent and authorized for their assigned duties.
- Required PPE, tools, test instruments and communication equipment are available.
- Emergency arrangements and stop-work conditions are understood.
- Completion, testing, restoration and handback requirements are defined.
Who does what before, during and after the work.
Electrical Safety in Airfield Ground Lighting
AGL electrical systems must be treated according to their design, voltage levels, operating characteristics and approved safety procedures.
Potential sources of electrical hazards include:
- CCR input and internal electrical circuits.
- AGL series-circuit output equipment.
- Primary cables, joints and connectors.
- Isolating transformers and secondary connections.
- Auxiliary supplies and control circuits.
- Stored electrical energy within equipment.
- Unexpected energisation caused by switching or remote-control actions.
- Damaged insulation, incorrect circuit identification or unauthorized modifications.
- Test equipment and test connections.
General Electrical Safety Principles
Identify the correct equipment
Verify the asset, circuit and isolation points against approved records before work begins.
Use authorized isolation arrangements
Apply the equipment-specific electrical safety and isolation procedure.
Control all relevant energy sources
Consider auxiliary supplies, control circuits and stored or residual energy where applicable.
Verify the required safe condition
The approved procedure must define how isolation and the absence of relevant hazardous energy are verified by authorized personnel.
Use suitable test equipment
Instruments and test leads must be appropriate for the task and used according to their instructions and the approved test procedure.
Prevent unauthorized re-energisation
Maintain the required locks, tags, restrictions and work coordination for the duration of the activity.
Document the work
Record the equipment identification, isolation reference, tests, observations and relevant approvals as required.
Series-circuit hazards: why a live loop is dangerous.
AGL Visual Encyclopedia: Series-circuit safety Electrical isolation Isolation principle
Airfield Lighting Lockout-Tagout (LOTO)
Lockout-tagout (LOTO) is a method used in applicable maintenance activities to prevent unexpected energisation, startup or release of hazardous energy.
A LOTO process forms part of a broader energy-control system. It is not simply the placement of a warning tag on a switch.
The procedure must be appropriate for the specific equipment, energy sources, work activity and applicable safety requirements.
What should an AGL LOTO procedure address?
| Element | Safety purpose |
|---|---|
| Equipment identification | Ensures the intended equipment is correctly identified |
| Energy-source assessment | Identifies the relevant electrical and other hazardous energy sources |
| Authorized isolation | Defines who is permitted to operate the required isolation points |
| Locks and tags | Prevents unauthorized operation and identifies equipment under maintenance |
| Stored-energy controls | Addresses residual or stored energy where it presents a hazard |
| Isolation verification | Confirms the required safe condition before work proceeds |
| Personnel accountability | Establishes who is protected by the isolation arrangement |
| Work-group coordination | Controls handovers, multiple workers and changes in personnel |
| Restoration controls | Defines the required checks, authorization and communication before return to service |
| Records | Provides traceability of isolation, work and release activities |
Important LOTO Considerations for AGL Equipment
CCR maintenance
The relevant procedure must address the equipment's input supply, applicable output circuits, auxiliary supplies and other hazardous energy sources associated with the task. The display status alone is not proof of isolation.
Series-circuit maintenance
The approved procedure must identify the circuit and associated equipment and establish the required protection against hazardous energisation.
Transformer and connector work
The work procedure must establish the safe condition required for the intended work, including relevant primary and secondary connections.
Control-system maintenance
Remote commands, automatic functions and control interfaces must be considered wherever they could cause an unintended operation or energisation.
Stored energy
Equipment may retain hazardous energy after its normal operating supply has been switched off. The equipment-specific procedure must address the applicable hazards.
Group maintenance
Where several people or teams are involved, the isolation and work-control arrangements must maintain protection and accountability for all affected personnel.
LOTO Completion and Release
Before equipment is returned to service, the applicable process should establish that:
- The authorized work is complete or has been formally suspended.
- Personnel are accounted for and safely clear of the affected equipment.
- Tools and temporary materials have been removed as required.
- Components and protective arrangements are in the required condition.
- Required inspections and tests have been completed.
- Locks and tags are removed only under the approved procedure.
- The responsible authority is informed and the required release is recorded.
Lock-out tag-out sequence for a CCR and series circuit.
AGL Visual Encyclopedia: LOTO procedure CCR isolation Circuit isolation
Airport Electrical Work Permits
A permit-to-work system helps ensure that hazardous activities are planned, authorized, coordinated and controlled.
Depending on the airport and task, permits or separate authorizations may be required for electrical maintenance, excavation, work at height, confined-space entry, hot work or other activities.
The applicable permit system defines which permits are required and who may issue, accept, suspend and close them.
Permit-to-work verification checklist
| Check | What to verify |
|---|---|
| Work description | The permit describes the actual job and equipment |
| Location | The work area is clearly identified |
| Personnel | Responsible supervisor and authorized team are identified |
| Risk assessment | Relevant hazards and required controls have been reviewed |
| Isolation | Required isolation arrangements and references are documented |
| Operational coordination | Necessary airport coordination and access authorizations are in place |
| Work-zone protection | Required boundaries, signs and protection arrangements are defined |
| Tools and equipment | Required tools, instruments and PPE are suitable and available |
| Emergency arrangements | Applicable communications and emergency actions are understood |
| Validity and changes | The work remains within the permitted scope, location and period |
| Completion | Work status, test results, defects and handback requirements are recorded |
When Work Conditions Change
Stop the affected work and follow the airport's procedure for reassessment and authorization if:
- The work area changes.
- The equipment or circuit differs from the permit.
- Required isolation cannot be verified.
- An unexpected cable or service is encountered.
- Weather or visibility changes create additional hazards.
- A communication failure affects operational coordination.
- An alarm, emergency or conflicting activity changes the risk.
- The approved work period ends or the permit is suspended.
A permit from first description to closure.
PPE Requirements for AGL Maintenance
Personal protective equipment should be selected through the task risk assessment, applicable safety requirements and equipment instructions.
The required PPE may differ between routine visual inspection, electrical maintenance, excavation, work at height and confined-space activities.
Examples of PPE considerations
| PPE or protective equipment | General purpose |
|---|---|
| High-visibility clothing | Helps personnel remain conspicuous in applicable work areas |
| Safety footwear | Provides protection against identified foot and impact hazards |
| Head protection | Protects against identified impact or overhead hazards |
| Eye protection | Reduces exposure to identified flying particles, debris or other eye hazards |
| Task-appropriate gloves | Provides the protection specified for the actual hazard |
| Electrical protective equipment | Used where required by the approved electrical risk assessment and procedure |
| Hearing protection | Used where the task creates a relevant noise exposure |
| Respiratory protection | Used only where indicated by the risk assessment and applicable respiratory-protection programme |
| Fall-protection equipment | Required for applicable work-at-height hazards under the approved system |
| Additional protective equipment | Selected for other hazards identified in the assessment |
PPE Is Not a Substitute for Hazard Control
PPE should be part of a wider safety arrangement. It does not replace appropriate isolation, access control, safe work methods, barriers, competent supervision or operational coordination.
Runway and Taxiway Movement-Area Safety
Work in an airport movement area introduces hazards that do not normally exist in a general electrical workshop.
Personnel and vehicles may be exposed to aircraft movements, airport vehicles, restricted visibility, engine hazards, jet blast, propeller hazards and other operational risks.
Maintenance may also temporarily affect the availability of runway or taxiway lighting. As a result, work-zone protection and operational communication must be coordinated with the airport's designated authorities.
Movement-Area Safety Considerations
- Confirm the required access authorization and approved work location.
- Follow the airport's communication and operational coordination arrangements.
- Remain within the authorized work-zone boundaries.
- Use the required vehicle identification, lighting, escort and route arrangements where applicable.
- Position vehicles, tools and equipment only as authorized.
- Maintain the required clearance from aircraft and operational routes.
- Keep unauthorized personnel out of the work area.
- Prevent tools, fasteners, packaging and other foreign-object debris from being left in the movement area.
- Report changes in the work zone or lighting availability through the approved process.
- Follow the airport's instructions for suspending work and clearing the area when required.
Foreign Object Debris (FOD) Prevention
Small items such as loose fasteners, cable offcuts, tools, packaging and broken fixture components can create hazards if left in an aircraft movement area.
A FOD-control arrangement should define how tools and materials are managed, how waste is contained, how the work area is inspected and how any discovered debris is reported and removed.
Before handback, confirm that required housekeeping, tool accountability and area checks have been completed.
Temporary Lighting Outages
A maintenance activity can make a light, circuit or lighting system unavailable. This condition may have operational implications even when the technical work itself is straightforward.
Before starting, coordinate the intended outage and restoration process using the airport's approved operational arrangements. Do not independently change the operational status of a runway or taxiway or assume that a maintenance release authorizes operational use.
Vehicle safety in the movement area.
AGL Visual Encyclopedia: Vehicle safety Vehicle road signs Stop bar lights
Night Work and Low-Visibility Conditions
AGL inspection and maintenance often takes place at night or during limited operational windows. Darkness and reduced visibility can make hazards harder to detect and can complicate communication, navigation and work-zone control.
Night-work safety checklist
Night-work checks
Managing Lighting and Visibility
Temporary work lights must be used in a way that does not interfere with airport operations or create confusing visual signals. Vehicle positioning, task lighting and temporary equipment must comply with the airport's approved work-zone arrangements.
If visibility, weather or communication deteriorates beyond the limits defined by the airport's procedure, stop or suspend the affected activity and follow the prescribed response.
Night work: plan, control, be ready to stop.
Cable Excavation and Underground Service Hazards
AGL cables may be installed through ducts, pits, trenches and other underground infrastructure. Excavation can damage existing electrical cables and other buried services, potentially causing injury, outages or wider operational disruption.
Before Excavation
Confirm the required excavation authorization and review the applicable information about cable routes and other underground services.
The excavation plan should address, as applicable:
- Approved excavation location and boundaries.
- Available drawings and underground-service records.
- Required cable or utility locating methods.
- Site marking and protection of identified services.
- Mechanical excavation restrictions and any required trial or verification methods.
- Adjacent operating areas and movement-area restrictions.
- Safe access, barriers and traffic arrangements.
- Ground conditions, water and excavation stability.
- Emergency response and unexpected-service procedures.
- Reinstatement, inspection and record updates.
If an Unexpected Service Is Found
Stop the affected excavation activity and secure the area in accordance with the approved procedure. Notify the designated supervisor or authority and obtain direction before continuing.
After Excavation
The approved completion process should address inspection of the installed cable or duct, protection of the route, reinstatement of affected surfaces, required testing, disposal of materials and updating of relevant records.
The specific work method and acceptance requirements depend on the excavation conditions, cable type and applicable project procedure.
A safe excavation beside buried AGL services.
AGL Visual Encyclopedia: Excavation safety Cable-work safety Base-can excavation
Pits, Chambers and Confined-Space Hazards
AGL pits, chambers and other enclosed or partially enclosed spaces may present hazards relating to access, atmosphere, flooding, electrical equipment, slips, restricted movement or difficult rescue.
Whether a particular space qualifies as a confined space depends on the applicable definition and site assessment.
Safety Considerations
Before entry or work within a pit or chamber, determine whether a confined-space or other special permit is required. The risk assessment must identify the applicable hazards and controls.
Where relevant, the approved system may require:
- Formal assessment of the space and work activity.
- An entry permit and designated authorization.
- Atmospheric assessment and monitoring.
- Ventilation arrangements.
- Isolation of relevant hazardous energy or services.
- Safe access and egress.
- A trained attendant or standby person.
- Communication and personnel-accountability arrangements.
- Rescue arrangements and suitable equipment.
- Control of water ingress, environmental exposure and nearby operations.
Transformer pit: isolate, guard, prove dead.
AGL Visual Encyclopedia: Transformer pit safety Transformer pit Handholes
Electrical Testing and Test Equipment Safety
AGL maintenance may require electrical, insulation, continuity, functional or other prescribed tests. The appropriate method depends on the equipment and circuit under examination.
Incorrect test connections, unsuitable instruments, inappropriate settings or failure to control hazardous energy can create serious hazards and may damage equipment.
Test safety checklist
Test safety checks
Avoid Generic Test Values
Do not apply a general test voltage, current, duration or acceptance limit to every AGL transformer, cable, fixture or circuit.
Test requirements depend on the equipment specification, system configuration, test purpose and approved procedure. Where the specified method or expected result is unclear, stop and seek direction through the responsible technical authority.
Insulation-resistance test: CCR off, locked out, loop disconnected.
AGL Visual Encyclopedia: Insulation-resistance testing Testing requirement flow High-potential testing
Environmental and Task-Specific Hazards
AGL work can involve additional hazards depending on the location, equipment and planned activity.
| Hazard | Safety consideration |
|---|---|
| Rain or standing water | Assess electrical exposure, ground conditions, access and equipment suitability |
| Lightning or severe weather | Follow the airport's and employer's weather-related suspension criteria |
| High temperatures | Consider heat exposure, hydration, work-rest arrangements and equipment temperatures |
| Noise | Assess exposure and provide the required controls |
| Work at height | Use the approved access system, fall prevention and rescue arrangements where required |
| Lifting and handling | Assess equipment weight, lifting points, mechanical aids and team handling requirements |
| Batteries or stored energy | Follow equipment-specific isolation and handling instructions |
| Chemicals or cleaning products | Review safety data, exposure controls and handling requirements where applicable |
| Working near vehicle routes | Apply the approved traffic, access and work-zone controls |
| Multiple contractors | Coordinate overlapping activities, permits, interfaces and responsibilities |
Emergency Response and Stop-Work Conditions
The work team should understand how to report an emergency, raise an alarm, obtain assistance and protect the affected area under the airport's approved arrangements.
Emergency contact information and communication methods must be confirmed before work starts.
Examples of Conditions Requiring Work to Stop or Be Reassessed
- The equipment or circuit cannot be positively identified.
- Required isolation cannot be established or verified.
- An unexpected energisation or electrical abnormality occurs.
- The permit is missing, expired, suspended or inconsistent with the work.
- Movement-area access or operational authorization changes.
- Communication with the designated airport authority is lost where it is required for safe work.
- An unexpected underground service is encountered.
- Weather, flooding or visibility creates an uncontrolled hazard.
- A person is injured, an emergency alarm occurs or a serious unsafe condition is identified.
- The required protection, equipment or competent personnel are no longer available.
Follow the designated emergency or suspension procedure rather than improvising a response.
Report incidents, near misses, unsafe conditions and equipment damage promptly through the organization's approved reporting process. Preserve relevant information for investigation where required and do not resume the affected work until the necessary authorization and controls are restored.
Emergency response during AGL work.
AGL Visual Encyclopedia: Emergency response Emergency control Safe maintenance sequence
AGL Maintenance Pre-Work Safety Checklist
Use this checklist as a general planning aid before beginning a maintenance activity. It must be adapted to the task and the airport's approved procedures.
Authorization & Coordination
Hazard Control
People, Tools & Equipment
Completion & Handback
| Project / work order | |
|---|---|
| Airport / location | |
| Equipment / circuit ID | |
| Permit reference | |
| Risk assessment reference | |
| Work supervisor | |
| Date / authorized work period | |
| Briefing completed by | |
| Outstanding safety concerns | |
| Authorization status: ☐ Approved under applicable procedure ☐ Not approved |
Six-step safe maintenance sequence.
AGL Visual Encyclopedia: Safe maintenance sequence LOTO procedure Vehicle safety
AGL Maintenance Completion and Handover Checklist
Safe completion includes more than finishing the repair. The work area, equipment, records and operational status must be addressed through the required handback process.
Completion checklist
Completion checks
| Work order / permit reference | |
|---|---|
| Equipment / circuit ID | |
| Work performed | |
| Inspection / test record references | |
| Outstanding defects or restrictions | |
| Work-zone clearance confirmed by | |
| Restoration / authorization reference | |
| Handed over by | |
| Accepted by the designated authority | |
| Date and time |
From test results to a complete record.
AGL Visual Encyclopedia: Test documentation Testing requirement flow
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AGL Maintenance Safety FAQ
Q1What are the main electrical hazards in AGL maintenance?
Important hazards include electric shock, unexpected energisation, stored energy, damaged insulation, incorrect circuit identification and unsafe test connections. The risk assessment and approved procedure determine the controls required for the particular task.
Q2Is LOTO necessary for every AGL inspection?
Not every inspection has the same exposure to hazardous energy. The need for isolation and LOTO depends on the task, equipment, hazards and approved procedures. Determine the requirement through the applicable risk assessment and maintenance process rather than assuming that every visual inspection has the same controls.
Q3Can a CCR be considered safe because its output is switched off?
No. An OFF indication alone does not establish that all relevant hazardous energy has been controlled. Use the approved equipment-specific isolation and verification procedure.
Q4Who authorizes work in an airport movement area?
The airport's designated authorities control access and work authorization under the approved operational and safety procedures. The responsible maintenance team must obtain the required authorization before entering or working in the area.
Q5What PPE should an AGL technician wear?
PPE is selected according to the task risk assessment and applicable requirements. High-visibility clothing, protective footwear, head and eye protection may be relevant, while electrical protection, respiratory protection, hearing protection or fall-protection equipment may be required for specific tasks. PPE does not replace other safety controls.
Q6What should be checked before excavating for an AGL cable?
Confirm the excavation authorization, available utility records, required service-locating methods, work boundaries, site conditions and procedures for unexpected services. Treat unidentified underground cables as potentially hazardous until assessed by the authorized personnel.
Q7Are AGL pits and chambers confined spaces?
Some may meet the applicable definition of a confined space or present similar hazards. The site assessment determines the classification and required precautions. Where applicable, follow the approved entry permit, atmospheric assessment, communication and rescue arrangements.
Q8What should happen if airfield lighting fails during maintenance?
Report the condition through the airport's approved operational and maintenance channels. Follow the applicable procedures for fault reporting, operational status, work suspension, corrective action and authorized restoration. Do not independently determine that the affected facility is safe for operational use.
Q9Why is handback important after maintenance?
Handback confirms that required checks, testing, housekeeping, documentation and authorization have been completed. It also ensures the responsible operational authority receives the correct equipment status and any outstanding restrictions.
Q10What are the airfield lighting safety standards?
Airfield lighting safety standards come from several layers: national electrical safety rules, aviation safety requirements for the movement area, the airport's own safe-working procedures and the manufacturer's instructions. Airfield lighting safety standards should be checked against the current documents used at the specific airport.
Q11What does airfield lighting safety include?
Airfield lighting safety covers electrical safety, safe access to the movement area, permits to work, PPE, lockout and tagging, safe excavation, night work and emergency response. It protects maintenance staff and also keeps aircraft operations safe during the work.
Q12What is AGL electrical safety?
AGL electrical safety means treating every series circuit as live until proven dead. Because series circuits carry high voltage at constant current, an open secondary or primary circuit can be hazardous. Isolate, lock out, test for dead and earth where required before working, following the airport's procedures.
Q13What is airport runway maintenance safety?
Airport runway maintenance safety is the control of people, vehicles and equipment working on or near the runway, using air traffic control clearance, closure or work-zone arrangements, escorts, communication and clear stop-work rules.
Q14What is airfield lighting work in progress safety and AGL work zone protection?
Airfield lighting work in progress safety means making sure aircraft and vehicles know where work is happening. AGL work zone protection uses closures, barriers or markings, lighting and lookouts to protect the work zone, as the airport's procedures require.
Q15What is airfield lighting night work safety?
Airfield lighting night work safety deals with reduced visibility and fatigue. It uses good lighting of the work area, high-visibility clothing, careful communication and supervision, and attention to fatigue limits.
Q16What is airport lighting inspection safety?
Airport lighting inspection safety covers moving safely on the airfield during inspections: clearance to enter, vehicle and radio procedures, avoiding contact with live equipment, and reporting hazards immediately.
Q17What is AGL confined space safety?
AGL confined space safety applies to pits, chambers and manholes, which may contain water, gas or limited oxygen. Check whether a confined-space permit is required, ventilate and test the atmosphere as required, and keep a standby person. Entry follows the airport's confined-space procedure.
Q18What is airfield lighting cable excavation safety?
Airfield lighting cable excavation safety is about preventing strikes on live cables and damage to pavements. Use cable records and locators, hand-dig near cables, support excavations and keep records of cable positions.
Q19What are airfield lighting electrical hazards?
Airfield lighting electrical hazards include high voltage on series circuits, stored energy in equipment, damaged cables, water ingress, back-feed and induced voltages. Identify them in a risk assessment before work.
Q20What are the AGL PPE requirements?
AGL PPE requirements normally include insulated gloves and footwear where applicable, high-visibility clothing, head and eye protection and hearing protection near generators or equipment. The risk assessment and the airport's rules decide what is mandatory.
Q21How does airfield lighting incident prevention work?
Airfield lighting incident prevention relies on planning, risk assessment, permits, competent staff, toolbox talks, near-miss reporting and learning from incidents. It aims to find hazards before they cause harm.
Q22Is airport electrical safety training needed for AGL work?
Airport electrical safety training is normally required before working on AGL equipment. It covers electrical hazards, isolation, permits, airside behaviour and emergency response. Airports or employers may also require site-specific induction.
Safe Work Depends on Verified Controls
AGL maintenance safety requires coordinated control of electrical hazards, hazardous energy, work permits, movement-area access and the work environment. Safe work depends on the approved procedure being followed, required controls being verified, and changes or unexpected conditions being reported promptly.
Use this guide as an educational reference. For actual airport work, follow the applicable laws, airport safety management system, approved permits, isolation procedures, manufacturer instructions and authorized operational directions.
Reference Resources
- OSHA — Control of Hazardous Energy (Lockout/Tagout), 29 CFR 1910.147
- FAA — AC 150/5370-2G, Operational Safety on Airports During Construction
Engineering & Expert Notes
Isolation Is Only Proven by Testing
LOTOApply isolation, then verify with a suitable tester that the circuit is dead. Do not rely on indicator lights or the position of a switch.
Movement Area Work Needs Its Own Controls
AirsideAgree access, vehicle control and communications with air traffic before entering the movement area. Confirm closure or protection is in place.
Night and Low Visibility Raise Risk
ConditionsUse suitable lighting, high-visibility clothing and clear communication. Reassess whether the task should proceed when conditions deteriorate.
Treat Excavation as a High-Risk Activity
ExcavationUse records, locating equipment and careful digging to avoid cable strikes. Confirm that every cable found is accounted for.
PPE Should Match the Hazard, Not the Habit
PPECheck that gloves, footwear and protective equipment are rated for the task and in good condition before use.
Anyone Can Stop the Job
CultureEncourage all team members to stop work if something looks wrong. Review stop-work events to improve procedures.
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Please read before relying on any content on this page or on any record downloaded from it.
- Purpose and intended users. This page is an independent educational and informational reference for competent, suitably trained and authorised airfield ground lighting (AGL) and aerodrome personnel. It is not professional engineering, legal or regulatory advice, and using it creates no professional or client relationship. Learning-path and Academy references describe stages of learning only and are not a certification, accreditation or authorisation.
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