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Advanced & Emerging Technology

Drones for Industrial Inspection: Expanding Access Without Expanding Risk

Inspecting industrial facilities often means reaching difficult locations.

Stacks, storage tanks, roofs, flare structures, pipe racks and elevated equipment may require scaffolding, rope access or shutdown preparation.

Drones can provide another way to inspect some of these areas.

Drones Can Reach Elevated Areas Quickly

A drone equipped with a camera can inspect external surfaces without requiring a person to climb to the same location.

This can be useful for:

  • flare stacks
  • chimneys
  • tank roofs
  • cooling towers
  • pipe racks
  • structural steel

The plant can collect visual information while reducing access requirements.

Inspection Can Be Faster to Mobilise

Traditional access methods may require:

  • scaffolding
  • lifting equipment
  • permits
  • isolation
  • specialist access teams

A drone inspection may sometimes be deployed more quickly.

This can make it useful for preliminary assessment or routine visual checks.

Different Sensors Expand Capability

Industrial drones can carry more than conventional cameras.

Depending on the application, payloads may include:

  • thermal imaging
  • high-resolution photography
  • gas detection
  • LiDAR
  • specialised inspection sensors

These tools can provide information that is difficult to obtain from ground level.

Drones Do Not Replace Every Inspection Method

A camera image cannot always determine material condition.

If wall thickness, cracking or internal damage needs to be assessed, additional inspection techniques may still be required.

Drones are therefore often most useful as part of a broader inspection strategy.

Operating Environment Matters

Industrial facilities can create challenges such as:

  • wind
  • heat
  • electromagnetic interference
  • congested structures
  • restricted airspace
  • hazardous-area requirements

Flight planning and operator competence remain important.

Data Management Matters Too

A single inspection can produce large quantities of images and video.

The value comes from being able to compare findings over time and identify meaningful changes.

Good inspection records therefore matter as much as the flight itself.

Better Access Can Improve Inspection Decisions

Drones are most valuable when they help plants inspect areas more safely, more frequently or with better visibility.

They expand access—but they do not remove the need for engineering interpretation.

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