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DNV-Aligned Blade Inspections

Drone Wind Farm Surveys.

No verified pilot profile currently lists this exact service. Submit a brief and we will review and source current availability manually.

Compare quotes from specialist UK drone operators for blade and tower inspections — erosion, lightning damage, and cracking identified in hours, with no rope teams, no shutdown costs, and no lost yield.

Peter Leslie

“For every verified profile, we record the insurance and CAA credentials supplied at the time of review.”

Peter Leslie · Founder & GVC Drone Pilot

Trusted by site managers & agencies across the UK

Network Rail NHS Siemens NatureScot Amazon Enfield Council Express Group Net Zero Horizon Group ETZ FB Angus Asset Survey

Need turbines inspected?

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Hanging a rope team off a rotor is madness.

Wind farm owners, OEMs, and O&M contractors still stop turbines and hang IRATA crews off blades when a drone can fly the same inspection in 20 minutes. Drones rewrite the economics of blade CBM.

Shutdown & Rope Costs

Stopping a 3MW turbine for a rope-access inspection costs thousands in lost ROC/CfD per shift, plus the IRATA crew day rate. A drone completes a per-blade inspection in 20–30 minutes of parked rotor time.

Leading-Edge Erosion

Leading-edge erosion, lightning strikes, and trailing-edge cracking degrade AEP long before they are visible from the nacelle camera. Drone imagery catches them at sub-millimetre resolution and feeds them into CBM triggers.

Rope-Team Exposure

Working at 100m+ above ground or offshore sea-state is expensive risk to carry. A drone removes the rope team from the blade entirely while delivering imagery at resolutions beyond what a roped surveyor can see.

Blade inspection is not for a weekend drone pilot.

By Peter Leslie, Founder & GVC Drone Pilot

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Flying a drone within metres of a 75m blade in coastal wind and variable updrafts is specialist work. Without the right operational procedures, a weekend drone pilot will either crash the aircraft into the blade or miss the defect entirely.

Every wind survey on this network is flown by drone operators with blade-specific operational authorisations, DNV-aligned reporting templates, and — where required — GWO offshore certification. They carry £5M+ public liability as standard.

The result is a defect catalogue that OEM warranty teams, lenders' TAs, and O&M contractors accept straight off the disk.

DNV-Aligned & GWO Optional

CAA OA & £5M Public Liability

Deliverables your CBM team can action.

Our network operators deliver survey-grade outputs ready for OEM warranty, lenders' technical advisors, and in-house condition-based maintenance workflows.

Per-Blade Defect Catalogue

Every defect is pinned to blade (A/B/C), surface (PS/SS/LE/TE), and radial position. Each finding is classified by DNV severity, photographed, and cross-referenced to the raw image frame.

Blade Orthographics

Stitched orthos of each blade's pressure, suction, leading, and trailing faces. Measure erosion depth, chord-wise damage, and lightning pitting directly from the file.

CBM Triggers

Reports feed into the CBM register: which blades are trending toward S3/S4 severity, which need repair at the next calm-weather window, and which are safe to run for another campaign.

Book your wind farm survey in 3 steps.

Submit one brief. We aim to review it within one working day, then introduce relevant independent specialists who can assess the project.

01

Describe the Site

Tell us the site location, number of turbines, OEM/model, and whether this is an end-of-warranty, post-storm, or routine campaign. Takes under two minutes.

02

Compare Specialists

We review the brief against relevant verified profiles and current availability. If listed supply is limited, we will say so and source availability manually. Any pilot introduced must confirm equipment, permissions, timing and deliverables for the actual job.

03

Inspect & Report

Your drone pilot coordinates with the site SCADA team, flies each WTG, and delivers a packaged report with per-blade defect catalogue, orthos, and CBM triggers.

Wind Farm Survey FAQ

Technical questions on BVLOS/VLOS, offshore operations, and DNV reporting.

Are blade inspections flown VLOS or BVLOS?
Most onshore blade inspections are flown VLOS with the drone pilot repositioning between WTGs. For remote or large offshore sites, drone operators with CAA BVLOS approval can fly from a vessel or single onshore vantage point. We match your site to an drone operator with the correct authorisations.
Can you survey offshore wind farms?
Yes. Drone operators with GWO certification, CTV-based launch procedures, and offshore CAA authorisations can mobilise to UK offshore wind farms. Sea state and visibility are the main constraints; the drone itself can inspect a full WTG in 25–40 minutes.
Do you use DNV severity scoring?
Yes. Reports align with DNV-ST-0376 conventions for blade damage categorisation (S1–S5). Each defect is scored, photographed, and cross-referenced against turbine ID, blade ID, surface, and radial position so findings flow directly into OEM warranty and CBM systems.
Do I get raw imagery as well as the report?
Yes. Every brief includes the per-blade defect catalogue, the blade orthos, the CBM trigger list, and the full raw image set (typically 400–800 50MP photos per WTG). Files are delivered via secure cloud link within 5–10 working days depending on fleet size.

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