Aircraft detection lighting systems
Dark nights for your neighbours. Your ADLS condition, met.
Obstruction lights that switch on only when an aircraft is near. Senture plans and delivers the complete ADLS: the right sensors in the right places, integrated with your turbines, with the documents your aviation authority requires.
800+
wind farms receive their light-on and light-off signals from our group every night
4,000+
wind turbines stay dark at night until an aircraft is near
300+
turbines currently in ADLS design, on request of operators and turbine manufacturers
OEM
We have delivered ADLS projects with all major OEMs.
Figures of the Light:Guard Group, of which Senture is part: ADLS with transponder and primary radar, including around 100 wind farms with Senture radar systems. As of Q3 2026. Turbines in design: projects with active technical work for the customer in the last six months. Offers without technical work are not counted.
Why ADLS
Obstruction lights are there for pilots. Most of the night, there are none.
Without ADLS, every turbine flashes red from dusk to dawn. With ADLS, the lights stay dark and switch on only while an aircraft is near the wind farm.
97 %
of the night with lights off in a reference wind farm of our group, average over six months
Three short passes: rescue helicopter 19:40, light aircraft 22:15, helicopter 05:10.
Illustrative night. The actual lights-off time depends on local air traffic; we estimate it for your site.
ACCEPTANCE
Neighbours get their night sky back.
Red flashing at night is visible for kilometres. It is the most noticeable light pollution of a wind farm and one of the most frequent objections against wind projects. Dark nights remove it.
PERMIT
Often not optional anymore.
Germany requires demand-controlled night marking. In Norway, South Africa and other markets, authorities attach ADLS conditions to the permit.
SAFETY
Pilots lose nothing.
The lights are on before an aircraft reaches the turbines. If a sensor or link fails, they stay on.
Technology
Multi-sensor detection. One fail-safe system.
We combine the sensors a site and its regulator need. All inputs come together in one system, and every fault releases the lights to on.
NON-COOPERATIVE
Primary radar
Detects every aircraft, with or without a transponder. Our reference sensor is the Terma SCANTER 5202.
COOPERATIVE
Transponder receiver
Locates aircraft from their transponder signals. The cost-efficient main sensor where transponders are mandatory.
ON DEMAND
Pilot activated lighting
Pilots switch the lights on by keying their VHF radio. An extra input for low-level, rescue and ambulance flights.
Light control unit
Connects to turbines from all major OEMs over a dedicated ADLS network, independent of the wind farm SCADA. Lights are suppressed only while detection is healthy.
What you get
Less risk in your project, not just fewer flashing lights.
01
Your permit condition, met on time
We plan backwards from the deadline in your licence, so ordering, building and testing fit the date the authority set.
HOW: schedule from your deadline, 12 to 18 months typical
02
No more sensors than necessary
Before you invest, a terrain-based coverage analysis shows how many sensors and which mast heights your site really needs.
HOW: Senture Optimizer, satellite terrain model
03
One contract instead of five interfaces
Radar, mast, light control, network and turbine integration come from one contractor who answers for the whole system.
HOW: turnkey scope, integration with all major OEMs
04
Documents the authority accepts
You receive the technical documentation your aviation authority asks for, and lights-off reports that prove operation afterwards.
HOW: compliance documentation, reports for any period you choose
Markets
Aviation rules are national. So is our approach.
NO
BSL E 2-1 §7a, Luftfartstilsynet
Documentation for wind farms with ADLS conditions in their licence.
ZA
SACAA, AMoC process
Radar-based ADLS under the SACAA alternative means of compliance.
AU
CASA, AC 139.E-05
ADLS to FAA-aligned criteria, with documentation for CASA and the planning authority.
In operation
800+
wind farms receive their light-on and light-off signals from our transponder and radar systems.
Light:Guard Group, of which Senture is part. Around 100 of these wind farms are served by Senture radar systems.
Track record
Proven in daily operation, not only in pilots.
We have delivered ADLS projects with all major turbine manufacturers. Every night, our systems decide for each of these wind farms whether its lights are needed, and when in doubt, they stay on.
SIGNAL
Light on or light off, to the wind farm light control
SENSORS
Primary radar, transponder, pilot activation
IN DESIGN
300+ turbines, on request of operators and OEMs
OEMS
All major turbine manufacturers
CASE STUDIES
Available on request, under NDA
BeaconLink retrofit
Older turbines with hard-wired lights?
BeaconLink replaces them with a complete kit built for current marking requirements: no SCADA work, infrared for night vision, synchronised flashing and monitoring in OWL. Ready for ADLS whenever you are.
From operation
Sample lights-off report
What the reporting looks like in operation: lights-off time, events and availability for one wind farm.
Start here
Is there an ADLS condition in your permit?
Send us the turbine layout. You receive a first coverage assessment and a realistic path to approval.
