The airport apron is a core operational area for civil aviation, responsible for aircraft parking, ground handling services, and transportation support. To ensure operational safety at night and under low-visibility conditions, the apron lighting system must provide adequate illuminance coverage, color rendering, glare control, and intelligent adjustment capabilities.
This guide is based on the MH/T 6108—2014 “Technical Requirements for Apron Floodlighting at Civil Airports” and the practical application of LED lighting technology. It outlines apron floodlighting design methods, with aircraft stand lighting design and testing as examples, providing practical guidance for design, construction, testing, and operation and maintenance.
The airport lighting system is recommended to fully adopt LED light sources, replacing traditional High-Pressure Sodium (HPS) and Metal Halide (MH) lamps. The advantages of LED sources are as follows:
Dimension |
Performance |
Energy Efficiency |
≥130 lm/W, significantly energy-saving |
Color Rendering Index (CRI) |
≥80 (≥90 recommended for VIP zones), excellent color fidelity |
Color Temperature |
Recommended 3500~4000K, soft and comfortable light |
Lifespan |
≥50,000 hours, extended maintenance intervals |
Control Capability |
Dimmable, instant-on, low flicker |
EMC Performance |
Excellent electromagnetic compatibility, low harmonics, high power factor (≥0.9) |
2.1 Lighting Design Standards for Apron Functional Areas
Area |
Ground Horizontal Illuminance (Eh) |
Vertical Illuminance (Ev) |
Horizontal Uniformity |
Applicable Airport Class |
Aircraft Stand |
(30 [Class I/II] / 20 [Class III/IV]) |
(Same as left) |
≥0.25 |
(All Airports) |
VIP Aircraft Stand |
30 |
30 |
≥0.30 |
(VIP Reception Area) |
Apron Working Area |
20 |
20 |
≥0.25 |
(Ground Handling Area) |
Maintenance Pad / Deicing Pad / Run-up Pad |
30 / 30 / 20 |
30 / 30 / 20 |
≥0.25 / 0.20 |
(Specialized Maintenance Areas) |
Equipment Holding Area / Taxi Lane / Parking Area |
15/10/10 |
/ |
≥0.25 |
(Vehicle Support Areas) |
Aircraft Stand Safety Auxiliary Lighting |
≥10 |
/ |
/ |
(Night Operations) |
Notes:
(Maintained average illuminance is based on a maintenance factor of 0.70)
(Vertical illuminance is measured on a vertical plane 2 meters above ground, facing the direction of aircraft taxi-in)
(Airport classification is based on annual passenger throughput: Class I/II ≥ 2 million passengers, Class III/IV < 2 million passengers)
3.1 Functional and Photometric Requirements
Color Rendering: ≥Ra 80, (≥Ra 80, ensuring visual detail clarity and CCTV monitoring effectiveness).
CCT: 3500K~4000K, providing comfortable light perception and enhanced recognition.
Glare Control: (Glare Rating GR ≤ 50; requires control of the main beam projection direction).
Light Projection Strategy: Employ lighting from 2 or 3 directions to prevent aircraft shadowing and operational dead spots).
3.2 Luminaires and Layout Scheme
Item |
Recommended Configuration |
Luminaire Type |
(LED Asymmetric Floodlights, precise optical distribution, adjustable aiming angles) |
Mounting Height |
18-30m, avoiding wing/tail clearance and tower line of sight) |
Luminaire Efficacy |
(≥130 lm/W, well-defined beam control) |
Beam Angle |
Angle between main beam axis and vertical ≤65°, preventing glare and light spill |
Layout |
Symmetrical placement on both sides of each stand, or hybrid lighting from one side + roof |
IP Rating |
(IP65 recommended, suitable for outdoor, high-humidity, and corrosive environments) |
To evaluate design effectiveness, guide construction acceptance, and support future operation and maintenance, it is essential to scientifically arrange test grids and perform standardized measurements:
4.1 Test Areas and Grid Arrangement
Applicable Areas: Main functional areas such as aircraft stands, working areas, maintenance areas
Test Grid:
Use 5m × 5m square grids.
Place one measurement point at the center of each grid cell.
For symmetric areas, half-grid testing is acceptable.
Measurement Surface Setup:
Horizontal illuminance: probe placed at center ground level;
Vertical illuminance: probe placed 2 meters above ground on a vertical plane facing aircraft taxi-in direction.
Example of Measurement Point Layout:
For an area of approximately 30m × 40m, a 6 × 8 grid (48 points) is recommended;
Record illuminance at each point to compute minimum and average values for compliance check.
4.2 Glare Rating (GR) Test Point Placement
Observation points can coincide with illuminance test points but must account for line of sight.
Setup Guidelines:
Observer’s line of sight should be slightly downward, simulating human eye-level view (e.g., pilot or ground crew).
Background should be a typical illuminated surface.
Light source must appear in the upper visual field of the observer.
At least one GR test grid should be set up for each typical lighting configuration.
Tests should be conducted at night or under low ambient light to avoid external interference.
Testing instruments must have a proper detection angle and stray light shielding.
Calculation Example Below:
This is an example of a contact stand adjacent to a boarding bridge, with dimensions of 45×36m and a 30m high mast installed in front of the aircraft on the boarding bridge side. The layout was imported into AGi32 for simulation, with horizontal illuminance, vertical illuminance, and GR test points arranged according to standard requirements.
Appropriate floodlights were selected and imported into AGi32, with the maintenance factor set to 0.7.
Luminaires were arranged and calculations performed.
Results showed 32.11 lux horizontal illuminance with a uniformity of 0.4, and 47.19 lux vertical illuminance, both meeting the requirements for Category I/II stands.
The highest GR value was 41.3, within the acceptable limit of GR < 50.
Therefore, the luminaire type and quantity used in this AGi32 layout are appropriate and can be applied to other stands of the same specification.
For customers wishing to visualize the effect, we can import corresponding models and perform full calculations.
↑Rendering Illustration
↑3D view showing luminaire projection angles and calculation zones
↑False Color View with beam projection and measurement grid overlay
Item |
Configuration Recommendation |
Power Supply Circuits |
Separate wiring per pole; adjacent poles on different phases; TN-S or TT grounding systems |
Cable Load Margin |
Load not exceeding 70% of cable ampacity to ensure heat dissipation and safety |
Control System |
Centralized control room management + local manual control at lamp poles |
Dimming Control |
Supports 30%–100% dimming; energy-saving operation during nighttime standby |
Smart Integration |
Adaptive control via integration with flight and weather systems |
Hoisting & Maintenance |
High-mast luminaires equipped with electric/manual lifting platforms for easy maintenance |
Lightning & EMC Protection |
≥10kA lightning protection; EMI/EMC compliant with regulatory standards |
6.1 Inspection Schedule
Inspection Item |
Recommended Interval |
Illuminance & GR Testing |
Every 2 years or after bulk lamp replacement |
Electrical Testing |
Annually |
Protection Inspection |
Semi-annually |
Cleaning & Maintenance |
At least twice per year |
6.2 Replacement and Upgrade
When measured illuminance drops below 70% of the design standard, prompt replacement is recommended;
Luminaires should be replaced in full at the end of their rated lifespan to prevent uneven lighting;
Replacements should match the original brand and specifications to avoid inconsistency and mixed lighting effects.
The apron floodlighting system of civil airports is a key technical foundation to ensure flight safety and enhance operational efficiency. With the increasing maturity of LED lighting technology, design institutes and airport operators should actively upgrade technical solutions, building a green, efficient, and safe modern airport lighting system through standardized design, scientific lighting layouts, rigorous testing, and intelligent control.
This document focuses on aircraft stand lighting, detailing the design logic, luminaire placement rules, and glare control requirements, aiming to provide practical engineering guidance for airport construction and renovation.
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