China's twin-engine canard stealth fighter. It made China only the second country after the United States to field an operational stealth fighter, and now anchors PLAAF plans to contest air superiority against Western aircraft like the F-22 and F-35. Developed by Chengdu Aircraft Corporation (CAC).
China's twin-engine canard stealth fighter. Developed by Chengdu Aircraft Corporation (CAC).
Photo: N509FZ: https://commons.wikimedia.org/wiki/User:N509FZ, CC BY-SA 4.0, via Wikimedia CommonsSee Specifications for full detail.
The Chengdu J-20 'Mighty Dragon' is a Chinese twin-engine, canard-delta stealth fighter developed by Chengdu Aircraft Corporation for the People's Liberation Army Air Force. It first flew in 2011 and is designed for long-range strikes against tankers, airborne early warning aircraft and other high-value targets rather than close-range dogfighting.[1]
It now equips units across every PLA theatre command; mid-2026 estimates put the fleet at 300 to 500 airframes, with production running at roughly 100 a year - a scaling rate faster than either the F-22 or F-35 achieved.[2][3] A twin-seat variant, believed to command drone formations, has since entered service.
China's fifth-generation program emerged from 1990s studies into the J-XX requirement, with Chengdu's canard design beating Shenyang's more conventional proposal. The J-20's timing was theatrical: its first flight on 11 January 2011 occurred hours before a visiting U.S. Defense Secretary met Hu Jintao - read universally as a message, and a program milestone Western analysts had placed years further out.[1]
The design brief showed in the shape from day one: a large aircraft with generous fuel fraction and big internal bays, optimised for speed, range and forward-hemisphere stealth rather than knife-fight agility - a fighter for the Pacific's distances, aimed at the enablers (tankers, AWACS, bases) that hold American airpower together.[1]
The J-20 is aerodynamically unlike its Western peers: close-coupled canards ahead of a cropped delta, long chined forebody, ventral strakes and diverterless supersonic inlets - choices that trade some all-aspect signature for lift, supersonic cruise efficiency and control at a 25-tonne scale. Its main bays carry four (later six) PL-15 long-range missiles, with side bays for short-range PL-10s on distinctive swing-out rails that let the doors close behind them.[1]
Its engines chart China's whole propulsion journey: Russian AL-31s in early jets, interim WS-10Cs with serrated nozzles from 2021, and finally the purpose-built WS-15 - flown from 2023 and fielded on the upgraded J-20A - promising the sustained supercruise and thrust the design always intended. Sensor-wise the type mirrors the F-35's philosophy: big-array AESA, distributed EO apertures around the airframe, and heavy sensor fusion.[1]
The J-20 entered PLAAF service in 2017 and spread with un-Western speed: by September 2025 the fleet officially passed 300 aircraft across thirteen-plus brigades in all five theater commands, with June 2026 open-source counts arguing for numbers approaching 500 and annual production near 100-120[4]. Projections of a four-figure fleet by the 2030s are no longer treated as fanciful.[2][3]
Its operational pattern is maritime and assertive: East China Sea patrols (with claimed radar-lock encounters against foreign fighters), escort packages around Taiwan, and intercepts over the Western Pacific. U.S. Pacific commanders have described professional, capable J-20 conduct - and treat the type as the pacing threat their own fifth-generation posture answers.[1]
The twin-seat J-20S - the world's first two-seat stealth fighter - confirms where the fleet is headed: the back-seater as battle manager for loyal-wingman drones, with the J-20 family cast as the quarterback of a manned-unmanned team rather than a lone-wolf dogfighter.[5]
The type's evolution has been continuous: LRIP jets with Russian engines, the WS-10C generation, the J-20A with WS-15s and airframe refinements, and the J-20S twin-seater - plus persistent reporting of a carrier-influenced technology exchange with Shenyang's J-35 program, which now gives China a two-type stealth fighter high-low mix no other nation outside the U.S. possesses.[5]
Above it, the next generation is already flying: Chengdu's tailless J-36 - escorted on its December 2024 first flight by a J-20S chase plane - and Shenyang's J-50 signal that the J-20 is becoming the established mainstay of a family, not the frontier. Chinese airpower's frontier now moves on a five-year cadence.[5]
Whatever its exact signature or kinematics - still debated in open sources - the J-20's strategic effect is settled: it ended the American monopoly on operational stealth fighter fleets, forced a redesign of Pacific air planning around survivable tankers and dispersed bases, and demonstrated an industrial tempo that has become the yardstick anxiety of Western procurement debates.[3]
Fifteen years separated the J-20's first flight from a fleet of several hundred aircraft with successor types already flying - a development pace Western analysts compare to the United States' own aerospace expansion in the 1950s.[5]
The J-20 is essentially never visible on Flightradar24 or other ADS-B based public trackers - it operates exclusively within PLAAF military airspace and does not broadcast civil ADS-B, so sightings depend on ground spotters, satellite imagery and official PLA media releases rather than flight-tracking sites.
| Performance | |
| Max Speed | ~1,147 kn (~1,320 mph / 2,130 km/h) |
|---|---|
| Cruise SpeedCruise Speed — The economical speed an aircraft sustains for the bulk of a flight - lower than maximum speed, chosen for the best balance of time and fuel burn. Glossary → | ~Mach 1.0-1.2 supercruise without afterburner on WS-15-equipped variants (estimated) |
| RangeRange — How far an aircraft can fly without refuelling. Quoted figures vary with payload, speed and reserves - see also ferry range and combat radius. Glossary → | ~3,420 mi ferry range with external tanks; ~1,240 mi combat radius (estimated) |
| Service CeilingService Ceiling — The highest altitude at which an aircraft can still climb at a useful rate (typically 100 ft/min). Above it, the air is too thin to keep climbing meaningfully. Glossary → | ~66,000 ft (estimated) |
| Airframe & Weight | |
| Wingspan | 42 ft 8 in |
| Length | 69 ft 7 in |
| Height | 15 ft 5 in |
| WeightMTOW — Maximum Take-Off Weight - the heaviest an aircraft is certified to be at the start of its take-off run, including fuel, crew, payload and the aircraft itself. Glossary → | empty: ~37,500 lb; MTOW: ~81,600 lb |
| Power & Payload | |
| Engines | 2 x Shenyang WS-10C afterburning turbofans (~32,000-33,000 lbf); newer airframes fitted with the more powerful WS-15 (~36,000-40,500 lbf); early pre-production aircraft used Russian Saturn AL-31FM2 engines |
| ArmamentArmament — The weapons an aircraft can carry: guns, missiles, bombs and rockets, whether mounted internally, on wing hardpoints, or in bomb bays. Glossary → | PL-15 long-range and PL-10 short-range air-to-air missiles carried internally in a main ventral bay and two lateral bays (up to ~6 missiles internally); no internal gun; external hardpoints available for additional missiles or fuel tanks at the cost of stealth |
| Crew | 1 (J-20/J-20A); 2 in tandem on the J-20S twin-seat variant |
| CapacityPayload — Everything an aircraft is carrying that isn't the aircraft or its fuel: passengers, cargo, or weapons. Payload and fuel usually trade off against each other. Glossary → | ~24,000 lb max weapons/fuel payload (estimated) |
| Program & Service | |
| Manufacturer | Chengdu Aircraft Corporation (CAC) |
| Origin | China |
| First Flight | January 11th 2011 |
| Service Entry | March 9th 2017 |
| Number Built | 320 |
| Unit Cost | ~$100M (estimated; China does not publish official program costs) |
2 notable events involving the J-20 Mighty Dragon, 2012 to 2016. 0 deaths are recorded across the 2 of these with a figure listed. Curated rather than exhaustive.
Ground sensors flagged a fault during a high-speed runway run that the cockpit instruments did not show, and the test was aborted about three minutes in. AVIC later said that a delay of two or three more minutes could have caused a major accident. No aircraft has ever been publicly confirmed lost, though China does not routinely disclose losses.
Monitoring software picked up a fault during a J-20 test flight; ground control and engineers talked the pilot through it and the aircraft returned safely. AVIC disclosed the episode publicly only years later.
| J-20 (baseline) | Initial production standard entering service 2017, later re-engined with domestic WS-10C turbofans in place of interim Russian AL-31FM2s. |
| J-20A | Upgraded single-seat standard unveiled September 2025 with reshaped nose/spine, avionics and sensor overhaul, and airframe optimised for the more powerful WS-15 engine. |
| J-20S | Tandem twin-seat variant unveiled September 2025 - the first operational two-seat stealth fighter in the world - intended for systems management, drone-swarm control and airborne battle management. |
| J-20B (thrust-vectoring) | Designation used by some analysts for airframes fitted with thrust-vectoring nozzles; reporting on exact engine fit and status is inconsistent. |
Source: Meta-Defense
Source: Zona Militar
Numbered as cited in the Overview article. Click a reference to see where it's used.
Additional reading you might find interesting...
PlanesDB entries are living documents - this is how this one has evolved, and who helped make it happen. Spotted something out of date? Help update it.
