Role of Drones in NDT Inspection for Enhancing Ariel Safety and Efficiency

BIS Research
4 min readMar 22


NDT Testing

In recent years, drones have emerged as a revolutionary solution to various safety inspection challenges, enabling faster, cost-effective, and safer non-destructive testing (NDT) inspections. Drones equipped with specialized cameras and sensors can perform NDT inspections on aerial vehicles, such as aircraft, while keeping human inspectors safe on the ground.

This technology has already been adopted in various industries, including oil and gas, power generation, and infrastructure inspection. In the aerospace industry, the use of drones in NDT inspection has shown promising results in detecting cracks, corrosion, and other defects that can compromise the safety and efficiency of aerial vehicles.

This article will discuss the benefits of NDT inspection technology, its applications in the aerospace industry, and its potential for future development.

What are non-destructive testing services?

Non-destructive testing (NDT) services are a group of techniques used to examine materials and components for defects without causing any damage to the tested object. These techniques are used to ensure the safety, reliability, and quality of materials and components used in various industries, such as aerospace, automotive, construction, energy, and manufacturing.

NDT services use various methods to test materials and components, including visual inspection, radiography, ultrasonic testing, magnetic particle testing, liquid penetrant testing, eddy current testing, and others. These methods allow technicians to detect and measure internal and surface defects, such as cracks, voids, inclusions, and other imperfections.

NDT is widely used in the aerospace industry for the testing and inspection of various components and materials. In aerospace, safety, and reliability are of utmost importance, and NDT plays a crucial role in ensuring the safety and integrity of aircraft components and structures.

According to the BIS Research report, the global non-destructive testing services in the aerospace and defense market are estimated to reach $1.81 billion in 2033 from $1.29 billion in 2022, at a CAGR of 3.34% during the forecast period 2023–2033.

Global Non-destructive Testing Services in the Aerospace and Defense Market

Find more details on this report in this FREE sample.

How are UAVs changing the face of NDT inspection?

Unmanned aerial vehicles (UAV) or drones have revolutionized the way NDT inspections are performed in the aerospace industry. They have made it possible to access hard-to-reach areas of an aircraft more easily, efficiently, and safely. Drones equipped with cameras and other sensors can capture high-resolution images and data, which can then be used for NDT inspections.

Following are the uses of drones in aerospace NDT inspections:

Visual Inspections: Drones equipped with high-resolution cameras can perform visual inspections of aircraft components and structures. These inspections can identify defects such as cracks, corrosion, and other damages.

Thermography: Drones equipped with thermal imaging cameras can detect hotspots in aircraft components and structures, which can indicate defects such as delamination, debonding, and other types of damage.

Ultrasonic Testing: Drones equipped with ultrasonic sensors can perform inspections of aircraft components and structures using ultrasonic waves. This can detect defects such as cracks, voids, and other damage.

Magnetic Particle Inspection: Drones equipped with magnetic sensors can perform inspections of aircraft components and structures using magnetic fields. This can detect defects such as cracks, corrosion, and other damage.

What future potential does NDT inspection hold in aerospace?

NDT has been an integral part of the aerospace industry for many years. It is a critical component of ensuring the safety and reliability of aircraft and spacecraft, and it plays an important role in maintaining the integrity of critical aerospace components.

Currently, many aviation companies are now offering NDT testing services to ensure safety and efficiency. Here are a few examples:

  • Boeing: Boeing has been using drones equipped with NDT sensors for inspections of aircraft components such as wings, tails, and fuselages. This helps them to detect any damage or defects that may be invisible to the naked eye.
  • Airbus: Airbus has been working on using drones equipped with NDT sensors for inspections of its aircraft structures. This helps them to detect cracks, corrosion, or other forms of damage that may occur during aircraft operation.
  • GE Aviation: GE Aviation is using drones to inspect its aircraft engines. The drones are equipped with high-resolution cameras and thermal imaging sensors to detect any signs of wear or damage.
  • Bell Helicopter: Bell Helicopter is using drones to inspect its helicopter blades. The drones are equipped with high-resolution cameras and laser sensors that can detect even the smallest cracks or damage in the blades.
  • DJI: DJI is a Chinese drone manufacturer that has developed a drone-based NDT inspection system called the Zenmuse Z30. This system is used for inspecting wind turbines and other industrial structures, but it can also be used for inspecting aircraft components.


As manufacturing becomes more automated and technologies such as additive manufacturing are deployed, there will be more demand for non-destructive testing solutions. The growth of this market will be further enhanced by digitalization and associated enhancements in information and communication technology (ICT) capabilities.

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