Our inset approach light, Low Intensity Type A, low intensity obstruction light A type are innovative and practical, meeting the needs of different markets at home and abroad, with broad application prospects. We strive to improve the level of technology and enhance the strength of the enterprise, the company's equipment has reached the advanced level. Serving the country by industry is a sacred mission entrusted to us by history and our unremitting pursuit. We establish a sound staff training and talent growth system according to different training needs. We take quality as the foundation, development as the driving force, honesty and pragmatism as the basis, and bring value to customers as our responsibility to realize the long-term stable development of our company.
SFLS(SSD-A)
Airport Sequency Flashing Light
Compliance with Standards
CAAC: AC-137-CA-2015-09
SAC: GB/T 7256
ICAO: Volume 14, Volume I
IEC: TS 61827
FAA: AC 150/5345-51B
FAA: E-2628b
FAA-P-2965 PAR-56
NATO: STANAG 3316
Application/Use
Approach System, Flashing Light, Runway Threshold Indicator, airport sequency flashing light
Dimensions
Light feature | ![]() | ![]() |
Unit control box | ![]() | ![]() |
Elevated type | ||
![]() | ![]() |
| In-pavement type | |
Ordering Information

Please provide detailed installation info while ordering, parts and accessories should be ordered separately specific with order no.
Installation
Depends on the design | ![]() |
Depends on the design | ![]() |
Elevated Type | ![]() |
Fig 1. On 12” shallow base | ![]() |
Fig 2. On 12” deep base In-pavement Type | ![]() |
Features
● Light distribution and chromaticity of the airport sequency flashing light conforming to the specifications contained in FAA-E-2628 and CAAC of China
● Low-Voltage flashtubes ensures low operation voltage of the whole system
● Self-alignment optical component without need of recalibration when replacing bulb as well as optical components
● Elevated type and in-pavement type
● The main body is made of aluminum alloy with anti- corrosion surface, all fasteners are made of stainless steel, suitable for harsh environment application
● The prism of in-pavement type is made of tempered glass material, which can withstand wind and sand erosion
● Upper cover of in-pavement type featured by equal- strength design and forging craft, which has premiummechanical and carrying capacity, and shock resistance
● Elevated type achieves IP65-grade protected from total
dust ingress, and in-pavement type, IP68-grade, that can withstand inner pressure of up to 138kpa or water pressure generated from aircrafts’ impact on the optical window
● High-precision machining to ensure all dimensional quality and precision
● Each lighting fixture comes with unit control cabinet that has concise cable layout, which is easier for maintenance and servicing
● Both main control cabinet and unit control cabinet have self-contained CPUs, which runs independently and operate in synergy via BUS communication
● Any component failures will not result in breakdown of system, ensuring reliable system operation
● The system has detection functions for bulb lifetime, flash skips(misfiring), on-line faults, etc.
● Main control cabinet equipped with LCD display, which accumulates statistical records of system operation
● Monitoring system achieves remote control and uploads of operation status
● Circuits, power and communication cables are equipped with lightning protection, conforming to the requirements contained in FAA
● The elevated fixture can be connected to both one or two-inch frangible tube, which ensures convenient and secure installation
●Forged frangible couplings with precision machining, whichcomplies with FAA requirements and ensure reliable and stable performance
Photometric Data
Beam angle: horizontal ±15º, verticle ±5º Flash frequency: once or twice pro second Light intensity: I class 2% (150~450 cd)
II class 10% (800~2,000 cd)
III class 100% (8,000~20,000 cd
Reflector ratio: > 95%
Elevation angle: 0 to 15 degrees verticle
Accessories
No. | Description | Order number |
1 | Main Control Box Panel | 66110 |
2 | Flashing Light | 66230 |
3 | Unit Control Box | 66220 |
4 | Flashing Lamp | L40JS |
5 | Unit Control Box circuit board | 79108 |
6 | Light circuit board | 79107 |
7 | Reflector | 31147 |
8 | Front glass | 31146 |
9 | Sealing ring | 41119 |
10 | Rear cover seal | 41111 |
Packing Data
1 Light unit, Weight: 7.2 kg, Dimensions: 376×296×446 mm³
1 Base plate, Weight: 3.9 kg
1 Frangible coupling, Weight 0.6 kg
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