A Bid to Reframe General Aviation Around Simplicity
Airhart Aeronautics says it wants to make small-plane flying feel less like operating a legacy aircraft and more like using a modern automobile. That goal moved a step closer to demonstration with recent test flights at the company’s Long Beach facility, where Airhart flew a heavily modified Sling TSi equipped with its new cockpit avionics suite.
According to New Atlas, the company’s April 12, 2026 test flights focused on what Airhart calls the Airhart Sling, a South African Sling TSi that was extensively reworked, with its interior and control systems replaced. The core objective is not incremental panel modernization. It is to redesign how a pilot interacts with the aircraft in the first place.
That makes this more than a conventional avionics story. Airhart is pursuing a broader claim about accessibility in aviation: that private flying can become safer, more intuitive, and easier to learn if control systems are rebuilt around simplified human-machine interaction rather than inherited cockpit conventions.
From Mechanical Linkages to Fly-by-Wire
The company’s approach centers on replacing traditional mechanical control linkages with fly-by-wire systems. New Atlas reports that the redesign even removes the conventional rudder pedals. That is a consequential shift in a category of aircraft where familiar control architecture has remained largely stable for decades.
Airhart’s stated premise is that the standard cockpit places too much cognitive and mechanical burden on pilots, especially newer ones. By changing the interface and automating more of the underlying control logic, the company hopes to reduce complexity without removing pilot authority altogether.
That idea mirrors a wider transition seen in other transportation domains, where software-mediated controls increasingly stand between the operator and the machine. In aviation, however, the barrier is higher because simplicity must coexist with reliability, certification demands, and unforgiving safety expectations.



