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Why Do You Need a Bird Flight Diverter?
A Bird Flight Diverter (BFD) is a device installed on overhead power line conductors to enhance their visibility to birds in flight — preventing fatal bird-wire collisions and protecting both wildlife and power infrastructure. India's Central Electricity Authority (CEA) and Hon'ble Supreme Court of India has made Bird Diverter installation mandatory on all transmission lines near Great Indian Bustard habitation, and eco-sensitive zones. Indolite BFDs the only ones in India, approved by CEA, for installation in these areas.
Dynamic Bird Flight Diverters are wind-activated rotating devices that swing, sway and rotate on the power line conductor, creating continuous motion-based visual alerts. The 3D motion makes them significantly more Prominent and Visible as compared to static markers — alerting birds like eagles, vultures, cranes and the critically endangered Great Indian Bustard about presence of obstuction in their flight path. CEA specifically recommends dynamic BFDs for eco-sensitive zones and Important Bird Areas (IBAs).
- 🌀Wind-Activated RotationSpins automatically with wind — no power, no battery needed. Motion creates the most effective visual alert for birds.
At high RPM, warning disk of BFD can become invisible (like blades of fan become invisible at high speed). IndoDivert’s modulated rotation mechanism governs RPM, thus ensures visibility - 📋Patent Technology - Most Visible in segmentOnly BFD with vibration damper; IP-65 rated lubrication tank for bearing, suspension spring to combat flipping or roll over of warning disk on conductor, tailor made clamps for respective conductor/ OPGW for robust grip.
- 🔧Hot-Line InstallationPatent protected Indolite Bird Diverter is designed to be installed on live/ energised lines using drone and/ or hot stick — zero power shutdown required.
🌑 Non-LED — Glow in Dark Type Dynamic Diverters
Indolite's Non-LED; Dynamic Bird Flight Diverters use special glow-in-the-dark phosphorescent reagent that stores energy during daylight and glows at night, providing passive visibility during low light conditions; without any battery or power source. These are the most cost-effective dynamic BFD solution for multi voltage power line protection projects.
Bird Flight Diverter with wind-activated rotating disk and glow-in-the-dark material ideal for 33kV–500kV transmission lines in bird-prone areas.
View WMSv1 Details →
Dynamic Bird Diverter (Non-LED) with smooth low-wind rotation bearing—perfect for high-risk wildlife and bird corridor zones.
View WMSv2 Details →| Model | WMSv1 | WMSv2 |
|---|---|---|
| Wind-activated rotation mechanism | ||
| Controlled RPM | ||
| Glow-in-dark phosphorescent material | ||
| Day & passive night visibility | ||
| Lubrication Tank | ||
| Hot-line installation compatible | ||
| Outdoor lifespan | 10 Year | 15 Year |
| Corona Tested | 400KV | 765KV |
| Bearing | Single | Double (optinal) |
| CEA Compliance | 100% | 100% |
| CEA Approved | Proud to present; Only BFD — Approved by CEA/ Supreme Court Monitoring Committee |
💡 LED Type — Dual Visibility (6 LEDs Each Face)
Indolite's LED Bird Flight Diverters are the most advanced bird protection devices available in India. Each unit features 6 LEDs per face providing active illumination — making the diverter clearly visible from hundreds of metres away at night. These are the recommended solution for the highest-risk transmission corridors, including lines passing through Great Indian Bustard (GIB) habitats, flamingo flyways, and crane migration routes.
Solar-charged LED dynamic bird diverter with 6 high-intensity LEDs per face. Provides active night illumination and wind-activated daytime rotation — dual visibility 24×7.
- 6 high-intensity LEDs per face
- Solar-powered — no wiring needed
- Wind-activated rotation by day
- Active LED illumination at night
- Visible 300m+ at night
- CEA approved — critical wildlife zones
Latest generation LED bird diverter with upgraded solar panel, higher LED brightness, and improved rotation mechanism. The most advanced bird flight diverter by Indolite.
- Next-gen 6 LED per face array
- Upgraded high-efficiency solar panel
- Brighter illumination — 400m+ visibility
- Improved all-weather bearing
- CEA approved — GIB habitats & IBAs
- Forest & Wildlife Board accepted
Our LED type models; NFv2 and NFv3.
Static Bird Flight Diverters are fixed, passive overhead power line markers with no moving parts. They rely on high-visibility orange and black colouring combined with UV-reflective coatings to make overhead conductors clearly visible to birds. With zero maintenance requirements and 10–15 year outdoor lifespan, static BFDs are the most cost-effective solution for large-scale line-marking projects in open terrain and high-wind corridors.
India's most popular helical bird diverter — the classic yellow spiral that wraps 360° around the conductor for all-direction visibility. Zero moving parts, zero maintenance.
- 360° wrap-around helical design
- Visible from all flight directions
- UV-stabilised yellow polymer
- Zero moving parts — zero maintenance
- Quick clip-on — no wire splicing
- CEA approved · 10–15 year lifespan
Standard CEA-approved flat static bird marker in high-visibility orange & black. The most widely deployed overhead power line marker across India's transmission network.
- CEA standard orange & black colouring
- UV-reflective coating — day & night
- Lightest & most cost-effective BFD
- Ideal for high-wind open terrain
- Clip-on hot-line installation
- 10–15 year outdoor lifespan
All Bird Flight Diverter Models — Complete Comparison
Choose the right Indolite Bird Flight Diverter model for your power line project — compare all 6 models side by side:
| Model | Type | LED | Glow Dark | Rotation | Best For | CEA |
|---|---|---|---|---|---|---|
| WMSv1 | Dynamic | No | Yes | Yes | 33kV–220kV corridors | ✅ |
| WMSv2 | Dynamic | No | Yes+ | Yes | High-priority IBAs | ✅ |
| NFv2 | Dynamic LED | 6/face | Yes | Yes | GIB, flamingo zones | ✅ |
| NFv3 | Dynamic LED | 6/face+ | Yes | Yes | Critical night flyways | ✅ |
| Spiral | Static Helical | No | No | Fixed | All line voltages | ✅ |
| Static Flat | Static | No | No | Fixed | High-wind open terrain | ✅ |
Frequently Asked Questions — Bird Flight Diverters
• WMSv1 — Standard bird habitat zones, 33kV–220kV lines
• WMSv2 — High-priority IBAs, critical wildlife corridors
• NFv2 — Lines near GIB habitats, flamingo/crane flyways
• NFv3 — Most critical night-flyway corridors, MOEF&CC mandated zones
• Spiral/Helical — All voltage levels, general line marking
• Static Flat — High-wind open terrain, large-scale utility projects
Contact Indolite's technical team for project-specific recommendations.
Choose the Right Bird Diverter
for Your Power Line Project
6 CEA-approved models for every project type — Dynamic LED, Non-LED Glow-Dark, Helical Spiral & Static. Indolite Devices supplies PAN India.