The Future of Flight Simulation Is Capability-Based: Why Hardware Fidelity Still Matters

Simtek - H60 Flight Simulator

The flight simulation industry is changing.

In July 2026, the European Union Aviation Safety Agency (EASA) introduced its most significant update to Flight Simulation Training Device qualification in decades. The new framework introduces the FSTD Capability Signature (FCS) and places greater emphasis on matching simulator capabilities and fidelity to the actual training task being performed.

For simulator manufacturers, training organizations, airlines, and military training programs, this represents an important shift in thinking.

The question is becoming less about:

“What type of simulator are we building?”

And increasingly about:

“What does the pilot need to accomplish in this simulator, and where does fidelity actually matter?”

At Simtek, we believe that distinction is important.

Not Every Component Needs the Same Level of Fidelity

Historically, simulator fidelity has often been discussed as though it were one universal requirement.

In reality, successful training devices have always required engineering tradeoffs.

A Level D Full Flight Simulator, an FTD, a procedural trainer, a desktop trainer, and a mixed-reality system may have dramatically different overall architectures, but portions of those devices can still require extremely high physical and functional fidelity.

A switch used repeatedly during normal and emergency procedures may deserve nearly aircraft-level tactile characteristics.

A control that establishes muscle memory should be positioned, shaped, illuminated, and operated correctly.

Meanwhile, structural components hidden behind the instrument panel may be simplified significantly without reducing the effectiveness of the training.

That distinction can dramatically reduce cost, complexity, weight, maintenance, and manufacturing lead time while preserving the aspects of the cockpit that actually influence training.

Training Fidelity Is About the Pilot's Interaction

Visual technology continues to advance rapidly. Virtual reality, mixed reality, improved projection systems, higher-resolution displays, and increasingly sophisticated simulation software are allowing training organizations to accomplish more with smaller and more flexible devices.

But there is one thing visual technology cannot completely reproduce:Touch.

When a pilot reaches for a guarded switch, rotates a selector, pushes a button, adjusts a rotary control, or operates a cockpit panel without looking directly at it, physical characteristics become part of the training.

• Switch spacing matters.

• Control force matters.

• Detent position matters.

• Knob geometry matters.

• Backlighting matters.

• Panel layout matters.

These seemingly small details build familiarity and muscle memory.

This becomes especially important in mixed-reality applications. A headset can create an extremely convincing aircraft visually, but when the pilot reaches forward, there still needs to be something physically correct to interact with.

Virtual where you look. Realistic where you touch.

The Industry Is Moving Toward the Right Tool for the Training Task

EASA's new framework reflects a broader movement within simulation toward matching specific simulator capabilities to specific training objectives.

The new FSTD Capability Signature framework defines devices based on their capabilities and associated fidelity levels, supporting a “task-to-tool” methodology for determining how a simulator can be used in training, testing, and checking.

That creates opportunities for simulator manufacturers to engineer smarter devices.

Instead of automatically reproducing every aircraft component with maximum complexity, designers can concentrate fidelity where it produces measurable training value.

For simulated avionics, this can mean maintaining accurate:

• Physical dimensions and control locations

• Switch and rotary characteristics

• Display presentation

• Annunciation and lighting

• Functional behavior

• Electrical and communications interfaces

• Pilot interaction and ergonomics

At the same time, internal construction and interfaces can often be optimized specifically for simulation.

The result can be hardware that looks, feels, and operates correctly from the pilot's perspective without unnecessarily reproducing aircraft systems that provide no additional training benefit.

Mature Designs Also Reduce Program Risk

There is another side of fidelity that receives less attention: design maturity.

Developing a new simulator component is more than producing a panel that looks correct.

Mechanical design, electronics, firmware, lighting, interfaces, displays, testing, documentation, manufacturing processes, and configuration control all have to come together.

When proven simulator hardware can be reused across multiple training-device architectures, customers gain more than shorter lead times.

They reduce technical risk.

A mature simulated avionics design can often be adapted between FTD, Full Flight Simulator, procedural, laboratory, and mixed-reality applications while maintaining the level of physical and functional fidelity required by the program.

That allows engineering resources to focus on the areas that are truly unique to the customer instead of repeatedly solving problems that have already been solved.

A Smarter Definition of Fidelity

The future of simulation will not necessarily be about making every training device more complex.

It will be about making each device more appropriate for its mission.

High-fidelity Full Flight Simulators will continue to play an essential role in pilot training. At the same time, FTDs, procedural trainers, desktop systems, VR, and mixed-reality devices will continue expanding what can be trained outside the traditional full-motion simulator.

The challenge for our industry is determining where fidelity provides training value—and then reproducing those areas exceptionally well.

At Simtek, Inc., that has been our focus for decades.

We design and manufacture simulated avionics, displays, instruments, control panels, and cockpit hardware for commercial and military flight-training applications. Our products can support training architectures ranging from focused procedural devices to high-fidelity training systems, allowing customers to select the appropriate level of fidelity for their application.

Because ultimately, the objective isn't to simulate complexity.

It's to simulate what matters.

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