The tail-less Chinese J-36 fighter appears in a new model: the sixth-generation tri-engine aircraft performs a sharp maneuver.

Video clips that surfaced online on July 23, 2026, show what could be the fifth flying prototype of the Chinese sixth-generation fighter J-36 produced by Chengdu. The massive tailless tri-engine aircraft was spotted performing a sharp turn-climb maneuver, which is exactly the agile movement that analysts had questioned the tailless design’s ability to execute.

At a Glance

Aircraft: Chengdu (CAC) J-36, unofficial designation; sixth-generation contender
New Sightings: July 23, 2026; potential fifth flying prototype
Design: Tailless, diamond-shaped double delta wing, three engines
Innovation: Redesigned two-dimensional thrust vectoring nozzles and DSI inlets
Size: Maximum takeoff weight estimated in the range of 50-55+ tons

The J-36 is positioned as a large tailless successor to Chengdu's J-20 line. (Illustrative — Chengdu J-20) — The J-36 is positioned as a large tailless successor to Chengdu’s J-20 line. (Illustrative — Chengdu J-20)

Debate on Tailless Design Agility

The new footage captured the massive tri-engine prototype in the same maneuver that analysts had questioned the tailless structure’s ability to perform — a sharp turn-climb. The J-36 lacks vertical tail surfaces; instead, the two-dimensional thrust vectoring nozzles reclaim a significant portion of the lift and agility authority that the missing tail would have provided. This is a hallmark of sixth-generation thinking: reducing aerodynamic surfaces to lower the radar signature and then compensating for lost control with engine and software.

The prototype also features redesigned DSI inlets, a new landing arrangement, and changes in the inlet-exhaust mix. Each new structure hints at the program’s direction, from airflow management to thermal and radar signatures.

Tailless low-observable shapes have become the common language for sixth-generation fighter design. (Illustrative — Chinese fifth-generation fighter)

Why Three Engines?

The standout feature of the J-36 is its triple-engine configuration, unlike most contemporary fighters. This choice may serve the necessary thrust for a massive airframe, sustained supersonic flight at high altitude, and a huge internal volume for fuel and armament. With a maximum estimated takeoff weight exceeding 50-55 tons, the J-36 seems closer to a long-range ‘regional dominance’ platform than to a traditional fighter — as range and payload become critical across the vast Pacific distances.

China’s readiness to unveil the program so clearly shows that the sixth-generation race is no longer confined to the United States (F-47 NGAD) and Europe (GCAP). Even relying on uncertain open-source observations, the J-36 remains the clearest evidence so far of the future Chinese air power doctrine.

J-36 — Known/Estimated Characteristics

Manufacturer	Chengdu Aircraft Corporation (CAC)
Category	Sixth generation candidate (unofficial designation)
Wing	Tailless, diamond-shaped double delta
Engines	Tri-engine configuration
Thrust Control	Two-dimensional thrust vectoring nozzles
Inlet	Redesigned DSI
Maximum Takeoff Weight	~50-55+ tons (estimated)
First Appearance	Late 2024; potential fifth prototype on July 23, 2026

What Does the Sixth Generation Promise?

The sixth generation concept revolves around very low-observable tailless structures, long range, open-architecture mission software, collaboration with loyal wingman drones, and AI-enhanced mission management. The large J-36 airframe and its three engines provide the physical foundation for much of this — particularly range, payload, and onboard power generation.

The Turkish national fighter Kaan, officially classified as fifth generation, follows a design philosophy that leaves — with its open architecture and block-based development roadmap — a growth path towards sixth generation capabilities. Programs like the J-36 remind once again of the pace of this global race and the strategic weight of possessing a sovereign fighter.