Russian/Chinese Flanker Family Fighter Aircraft: Su-27, J-11, Su-30, J-19

 Russian/Chinese Flanker Family Fighter Aircraft: Su-27, J-11, Su-30, J-19

Broadly speaking, these aircraft share the same design lineage (the Sukhoi Su-27 Flanker family), yet they represent different generations, functions, and countries of origin. Key differences lie in their roles (air superiority vs. multi-role), avionics and radar technology, and the use of Chinese domestic components to replace Russian parts.

1. Sukhoi Su-27 (Russia) – "The Original Blueprint"

Context: This is the original base platform designed by the Soviet Union in the 1980s to counter the United States' F-15 fighter jet.

SU-27

Characteristics: Focused purely on air-to-air combat (air superiority). The aircraft is highly agile in maneuvering (dogfighting) but features outdated analog avionics and lacks optimal capability for dropping smart bombs on ground targets.

2. Shenyang J-11 (China) – "China's Domestic Version of the Su-27"

Context: China initially purchased Su-27s from Russia and subsequently obtained a license to assemble them domestically under the designation J-11A.

J-11

Development (J-11B): China later deviated from its licensing agreement and began producing the J-11B variant. While physically identical to the Su-27, its structural materials were lightened using carbon fiber, its engines were replaced with Chinese-made WS-10s, and its radar and cockpit systems were upgraded with Chinese electronic technology. Its primary role remains air superiority.

3. Sukhoi Su-30 (Russia) – "The Russian Two-Seat Strike Variant"

Context: Developed by Russia after recognizing the need for the Su-27 to possess ground and maritime strike capabilities (multi-role). Characteristics: This aircraft requires a two-seat configuration (pilot in front, weapons operator in the rear) to facilitate the division of tasks when engaging ground targets. China imported the Su-30MKK variant from Russia in the early 2000s before developing its own multi-role jets.

SU-30

4. Shenyang J-16 (China) – "The Ultimate Evolution"

Context: The J-16 is the product of combining the physical airframe characteristics of the Su-30MKK (twin-cockpit design and robust dual-wheel landing gear) with China's next-generation avionics technology.

Why is the J-16 Superior?:

The J-16 surpasses Russian Su-30 technology by integrating AESA radar (offering far more precise long-range detection and tracking, as well as resistance to signal jamming) and radar-absorbent airframe coatings (which absorb radar waves to reduce detectability). Its weaponry includes state-of-the-art Chinese missiles, such as the PL-15, which boasts a greater range than the missiles carried by the Russian Su-30.

J-16

Brief Conclusion

Ranked by technological evolution: Su-27 (Original Russian, Air-to-Air) → J-11 (Chinese version of the Su-27) → Su-30 (Russian evolution for ground attack) → J-16 (The pinnacle of Chinese modification, featuring the most modern radar and missiles).

The Shenyang J-11 (Jian-11) - China's version of the SU-27

The Shenyang J-11 (Jian-11) is a Chinese twin-engine air superiority fighter developed by Shenyang Aircraft Corporation. This fourth-generation aircraft was originally a license-built variant of the Russian Sukhoi Su-27SK, which was later modified and produced independently using domestically developed avionics and weapons.

History and Variants
Initially, China purchased a license from Russia in 1995 to produce 200 Su-27SKs. However, China canceled the license after assembling approximately 100 units due to the desire to use its own avionics and radar systems. This resulted in a fully locally developed variant, the J-11B.

Specifications

The initial variant (J-11A) used Russian components, while the modern variant (J-11B/BG) uses entirely domestic Chinese technology.
The following are the main technical specifications of the J-11 (based on the standard J-11B variant):
Physical Characteristics: Crew: 1 (or 2 for the J-11BS trainer/combat variant)
Maximum Takeoff Weight (MTOW): 33,000 kg

Combat Performance
Engine: 2 × Shenyang WS-10A Taihang turbofans (the J-11A variant uses the Russian Saturn AL-31F engine)
Maximum Speed: Mach 2.25 (approximately 2,500 km/h at altitude)
Combat Radius: 1,500 km without refueling in the air
Long Range (Ferry Distance): 3,530 km
Maximum Altitude: 19,000 meters (62,500 ft)
Rate of Climb: 300 m/s

Armament and Weapons
The J-11 has 10 hardpoints (hardpoints) on its fuselage and wings to carry a total weapons load of up to 8,000 kg, including:
Internal Cannon: 1 × 30 mm GSh-30-1 autocannon (with 150 rounds).
Air-to-Air Missiles:
J-11A: Russian R-77 (medium-range) and R-73 (short-range) missiles.
J-11B/BG: Chinese PL-12 or PL-15 (long-range active radar-guided) and PL-8 or PL-10 (short-range infrared) missiles.
Bombs & Rockets: Various types of laser- or satellite-guided smart bombs (KAB-500 or Chinese LT type) and unguided rocket launchers for ground attack.

Avionics and Radar

J-11B Radar: Uses a Chinese-made Type 1493 Pulse-Doppler radar capable of tracking up to 20 air targets simultaneously and engaging four of them simultaneously.
J-11BG Radar (Modernized): Uses a modern, advanced AESA (Active Electronically Scanned Array) radar that is resistant to electronic jamming and has a much wider detection range.
Optical System: Equipped with an electro-optical sensor (IRST) device in front of the cockpit to track enemy aircraft through engine heat without turning on the radar (silent mode).

The only country currently using the Shenyang J-11 fighter jet is China.
The estimated total number of Shenyang J-11 fighter jets currently in service with the Chinese military is between 300 and 440.

This fighter jet is not exported to other countries, and no other country plans to use it. This is due to several main reasons:
License Agreement with Russia: The J-11 was born from a license for a Russian-made aircraft, the Sukhoi Su-27SK. Under the initial agreement with Sukhoi, China was prohibited from exporting these Flanker-based imitation platforms to the international market to avoid direct competition with the indigenous Russian fighter jets.
Domestic Defense Priorities: The J-11 variants (primarily the J-11B and J-11D) were specifically designed to meet the air superiority requirements of the PLAAF and PLAAF.

Iranian Civilian Aircraft Missile Shot by US Warship (Iran Air - 655)

 The Iran Air Flight 655 tragedy was the shooting down of an Iranian civilian commercial airliner by the United States warship USS Vincennes over the Persian Gulf on July 3, 1988. This tragic incident killed all 290 passengers and crew, including 66 children and infants.

illustration

Brief Chronology of Events

Flight Route: The Iran Air Airbus A300 took off from Bandar Abbas, Iran, bound for Dubai, United Arab Emirates.

Gulf Conflict: At the time, the Persian Gulf situation was tense due to the Iran-Iraq War. The USS Vincennes was engaged in a firefight with Iranian military speedboats.

Mistaken Identification: The USS Vincennes crew detected the aircraft through its Aegis radar system but mistakenly identified it as an Iranian F-14 Tomcat fighter jet preparing to attack.

USS Vincennes

Missile Execution: The captain of the USS Vincennes, William Chapel Roger III (Capt. Will Rogers), ordered the missile launch. A US warship fired two RIM-66 Standard MR (SM-1MR) surface-to-air missiles, instantly destroying the aircraft in mid-air over the Strait of Hormuz.

 RIM-66 Standard MR (SM-1MR) surface-to-air missiles

Impact and Aftermath

Losses: A total of 290 people died, making it one of the deadliest aviation disasters in history.

The majority of victims were Iranian citizens (254), followed by citizens of the United Arab Emirates, India, Pakistan, Yugoslavia, and Italy.

Debris of Iran Air Flight 655

United States Position: The US government expressed deep regret for the loss of civilian life, but never issued a formal apology for the military action.

Compensation: Through a 1996 settlement at the International Court of Justice, the US agreed to pay $61.8 million in compensation to the families of the Iranian victims.

HMS HOOD - "The Mighty Hood" Symbol of British Maritime Power

 HMS Hood (51) was an Admiral-class battlecruiser of the Royal Navy, built at the end of World War I. She was renowned as a symbol of British maritime power and held the title of the world's largest warship for 20 years after being commissioned in 1920. Due to her size and formidable reputation, the British nicknamed her "The Mighty Hood."

Here are key points about the history and specifications of HMS Hood:

Design and Characteristics: 

Type of Ship: Battlecruiser, designed to have the high speed of a cruiser but with the heavy armament of a battleship.

Main Armament: Equipped with eight 15-inch (381 mm) guns mounted in four double turrets.

Speed: Capable of a top speed of up to 32 knots (approximately 59 km/h), making it one of the fastest capital ships of its time.

Military Role and Service

Naval Diplomacy: Throughout the 1920s and 1930s, HMS Hood served as the flagship, frequently undertaking Empire Cruises to showcase British military might.

World War II: At the outbreak of war, the ship actively operated in the Atlantic Ocean, escorting convoys and hunting German warships.

Tragedy of the Battle of the Denmark Strait

Sink: HMS Hood's tragic end occurred on May 24, 1941, during the Battle of the Denmark Strait.

Cause: While attempting to engage the modern German battleship Bismarck, a single shot from the Bismarck penetrated Hood's ammunition magazine. The massive explosion instantly tore the ship apart, and Hood sank in less than three minutes.

Casualties: Of the 1,418 crew members, only three survived. This incident became one of the greatest maritime disasters and losses in the history of the Royal Navy.

The wreck of HMS Hood was finally discovered in July 2001 at a depth of approximately 2,800 meters on the seabed of the Denmark Strait.