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Sukhoi Su-35 (Flanker-E / Super Flanker)


Multirole Heavy Combat Fighter Aircraft


Aviation / Aerospace

Development of a more advanced version of the Su-27 Flanker produced the impressive Su-35 Flanker-E - now in Russian service in noticeable numbers.



Authored By: Staff Writer | Last Edited: 4/27/2020 | Content ©www.MilitaryFactory.com
The Sukhoi Su-35 (NATO: "Flanker-E") is the latest (2013) variant of the successful Su-27 "Flanker" family of air superiority aircraft. The original Su-27 was born in a late 1970s Soviet Air Force initiative to counter the American McDonnell Douglas F-15 Eagle air superiority mount. Since then, the type's tactical value has broadened considerably in the ground attack role and the line has even spawned the navy-centric carrier-based Su-33. The Su-35 is marketed as a true 4th/4.5th Generation multi-role performer built upon the strong and proven qualities of the Su-27 line - retaining its air-to-air prowess while incorporating advanced ground attack features. The Su-35 emerged from the modified Su-27M developmental series to which the finalized "Su-35" designation came about in 1993 though the aircraft was already publicly displayed by the time of the 1992 Farnborough Air Show. Ten total prototypes of the Su-35 were then built, four being conversions from existing Su-27s while the rest being new-build aircraft beginning official Russian evaluation in 1996. The Su-35 differs from the original Su-27 in its inherent multi-role capabilities, highly modernized avionics (including the new Tikhomirov NIIP Irbis phased antenna array), long range endurance, thrust vectoring (and new) NPO Saturn 117S engines and streamlined aerodynamic qualities. First flight was recorded in June of 1998 and, after an extended period of testing, formally entered production after adoption by the Russian Air Force as the "Su-35S" in 2010.

The aircraft features an integrated in-flight refueling probe, provision for ECM (Electronic CounterMeasure) pods, upgraded and more powerful engines, larger wing surface areas and a forward and rear-facing Phazotron radar system capable of simultaneous tracking of 24 targets up to 62 miles (100km) away over uneven terrain. An additional auxiliary internal reserve fuel tank has been added as well to bring about the require operational range. The cockpit sports an updated color CRT display as well as HUD (Head-Up Display) along with digital fly-by-wire (FBW) capability with quadruple redundancy - the onboard computers able to to find four different ways to achieve the desired flight control action. Avionics include an Irbis-E passive phased array radar system. The advanced nature of the Su-35 nets it the formal classification of "4th Generation Fighter" - though its true capabilities go well beyond the original/current crop of 4th Generation mounts while falling short of the standard adopted for true 5th Generation mount (such as the American Lockheed F-22 Raptor series).

Outwardly, the Su-35 retains much of the clean sleek lines of the Su-27. It is a noticeably large aircraft with well-swept wings, a long running forward fuselage and side-by-side engine layout. The Su-35 makes use of a nose cone to house its powerful tracking radar system. Twin vertical tails, each sitting atop the engine installations, are fitted aft on the fuselage in the usual way. Cockpit visibility is excellent for a machine of this class. The engines exhaust through thrust vectoring rings at the extreme aft section of the fuselage, providing excellent maneuverability and allowing the Su-35 to complete moves off limits to other 4th Generation mounts. The Su-35 also features the Flanker-style stinger at the tail - an extended portion of fuselage housing a rear-looking radar facility.

Depending on production mark, power is provided by 2 x Saturn 1117S afterburning turbofan engines with the aforementioned thrust vector control. The engines output at 32,000lb thrust each on full thrust and roughly 19,400lb each on dry thrust alone. The thrust vectoring system allows for excellent agility when compared to the conventional Su-27 mount, the aircraft able to make tighter turns for evasion in a close-range dogfight or for out maneuvering incoming homing/guided missiles (the Russians have adopted an agile-minded approach to modern dogfighting unlike the speed/stealth-minded approach of the West). The Su-35S lists a top speed of Mach 2.25 at altitude, roughly 1,500 miles per hour and range, on internal fuel, is out to 1,900 nautical miles while Su-35S can ferry out to 2,400 nautical miles. The Su-35S will have the capability to operate at service ceilings of 60,000 feet and sport a 55,100 feet-per-minute climb rate.

As a multi-role fighter platform, the Su-35S benefits from the full array of Russian-sponsored ordnance options across no fewer than 14 weapon hardpoints, 12 underwing and under-fuselage - all external. A 30mm GSh-30 internal cannon is standard for close-in fighting (150 projectiles allocated) while the wingtips are reserved for the R-73 (AA-11 "Archer") short-range air-to-air missile. Additionally, the wingtip rails can be removed and replaced with specialized ECM pods as mission parameters dictate. The remaining hardpoints will be home to various air-to-air missiles, air-to-ground missiles, anti-radiation missiles, anti-ship missiles, laser-guided bombs, guided rocket pods, unguided rocket pods, and precision weapons as needed.


Two Su-27M aircraft were utilized in an improvement program becoming the Su-37 "Flanker-F". Similar to the Su-35 model, these systems featured the thrust vectoring nozzles for evaluating increased agility. Only the two examples were ever produced before the experimental program was shelved - the test aircraft being converted into full Su-35 variants. The two-seat trainer variant of the Su-35 will be the Su-35UB while retaining some of the inherent combat capabilities of the single-seat brethren. The Su-35BM represents an upgraded design from the original Su-35 offering while the Su-35S is the product of this endeavor.

In September of 2012, it was announced that the Russian Air Force was proceeding with its plans to procure the Su-35S in number after successful testing of the aircraft began wrapping up. Deliveries of the first production-quality batch Su-35S was expected in October of 2012 and, in all, will number some 48 aircraft. The Russian Air Force expects to procure a total of 90 Su-35S aircraft to field as its primary multirole fighter for the short term.

The Indian-exported Su-30MKI variant is thought to utilize some of the reported Su-35 systems and ability mentioned above. Early-form Su-27Ms were known to have been used by the Russian Knights aerial acrobatic team.

While Russia remains the sole operator of the Su-35, it is no secret that the Sukhoi concern intends to convince foreign operators to purchase their product and directly competes with current and possible F-16/F-18/F-35/Gripen/Eurofighter/Rafale customers. To date, several nations have been mentioned as possible suitors for the F-35 though no formal deal has been inked. A proposed deal for 12 examples with Libya became nothing after the country fell into civil war in 2011. Potential operators remain China and Brazil - the former still lacking the capabilities to design, develop and produce their own serviceable turbofan engine in-house and the latter currently evaluating their next generation fighter needs.

In its 2013 Paris Air Show unveiling (the first outside of Russia), the Su-35 proved a Day One hit when going through its performance paces above the crowd - officially displaying the capabilities of the Su-35 to potential customers. The Su-35 is viewed as an excellent lost-cost, low-risk alternative to the pricier in-development Lockheed F-35 and can outpace all other existing 4th Generation designs. For budget conscious shoppers and those nations rethinking their procurement of the bloated and delayed F-35 product, the Su-35 is appearing a better option with each passing month. Its only true rival at the moment remains the American F-22.



April 2014 - It was reported that the first batch of some twelve Su-35 fighters were handed over to the Russian Airforce with the remainder of a 24-strong order to be completed throughout the year. Fourteen more will arrive throughout 2015. The 23rd Fighter Air Regiment was the recipient and currently flies the related Su-27SM at Komsomolsk-on-Amur. The aircraft underwent extensive weapons testing throughout 2013, clearing over a dozen different types in the process.

2015 - The Chinese Air Force has committed to the purchase of 24 Su-35S fighters.

As a result of the downing of an Su-24 strike fighter over Syria by a Turkish fighter, Russia has deployed several Su-35 air superiority platforms to the region as part of the ongoing Syrian Civil War (2011 - Present) against opposition forces.

January 2017 - China has taken delivery of four Su-35 fighters in what is hoped to be the last purchase of a foreign fighter product.

February 2018 - The Indonesian Air Force has contracted for eleven Su-35 Flanker heavy fighters to add to its stable of combat aircraft.

August 2018 - It was announced that the Indonesia delivery of 11 Su-35s will be delayed until 2019.

March 2019 - Egypt has announced a deal to purchase twenty Sukhoi Su-35 Flanker multi-role fighters from Russian industry for its Air Force. The deal is worth around $2 billion USD.

November 2019 - The Indonesian Air Force has announced its intent to purchase Sukhoi Su-35 fighters alongside two squadrons of American F-16 Block 72 "Viper" fighters.

Specifications



Year:
2014
Status
Active, Limited Service
Crew
1
[ 130 Units ] :
Sukhoi OKB - Soviet Union / Russia
National flag of Algeria National flag of China National flag of Egypt National flag of Indonesia National flag of Russia Algeria; China; Egypt (announced); Indonesia (ordered); Russia
- Fighter
- Interception
- Ground Attack
Length:
71.85 ft (21.9 m)
Width:
50.20 ft (15.3 m)
Height:
19.36 ft (5.9 m)
(Showcased structural dimension values pertain to the Sukhoi Su-35S production model)
Empty Weight:
37,920 lb (17,200 kg)
MTOW:
76,059 lb (34,500 kg)
(Diff: +38,140lb)
(Showcased weight values pertain to the Sukhoi Su-35S production model)
2 x Saturn AL-41F1S afterburning turbofan engines developing 19,400lb of dry thrust each and 32,000lb of thrust each with reheat.
(Showcased powerplant information pertains to the Sukhoi Su-35S production model)
Max Speed:
1,491 mph (2,400 kph; 1,296 kts)
Service Ceiling:
59,055 feet (18,000 m; 11.18 miles)
Max Range:
2,796 miles (4,500 km; 2,430 nm)
Rate-of-Climb:
55,000 ft/min (16,764 m/min)
(Showcased performance values pertain to the Sukhoi Su-35S production model; Compare this aircraft entry against any other in our database)
STANDARD:
1 x 30mm GSh-30 internal automatic cannon.

Mission-specific weaponry across 12 underwing and underfuselage hardpoints to include any of the following (wingtip launchers reserved for R-73 missiles or ECM pods):

R-27, R-40, R-60, R-73, and R-77 Air-to-Air Missiles (AAMs).
Kh-25ML, Kh-25MP, Kh-29, Kh-31, and Kh-59 Air-to-Surface Missiles (ASMs).
GBU-500 and GBU-1000 Laser-Guided Bombs (LGBs).
GBU-500T and GBU-1000T TV-guided bombs.
Anti-Radiation Missiles
S-25 InfraRed-guided rockets / pods.
Unguided Rocket Pods.

Also: Jettisonable fuel tanks, targeting pods, and Special-Mission Pods as needed.
(Showcased armament details pertain to the Sukhoi Su-35S production model)
Su-27 (Flanker) - Base Single-Seat Air Superiority Model Designation.
Su-27M (T-10S-70) - Prototype Su-35 billed as "improved" Su-27 design.
Su-35 (Flanker-E) - 2 x Saturn 117S TVC-nozzled turbofans of 31,900lbf with afterburner; foreplane canards; Digital Fly-By-Wire systen; Phazotron N011 Zhuk 27 radar element; rearward facing N012 radar; In-flight refueling probe; Color HUD and three CRTs; provisions for ECM pods; single-seat.
Su-35UB - Two-Seat Fighter/Trainer; increased vertical fin height; forward portion similar to that of the Su-30 variant.
Su-35BM - Export Designation; single-seat fighter based on SU-27SM2 but with Su-35 system software; 2 x LCD screens; helmet-mounted displays; "Fly-by-Optics"; upgraded avionics; revised airframe for reduced radar cross-section; sans canards; satellite navigation system.
Su-35S (S = "Combatant") - Primary operational model of the Russian Air Force based in the T-10BM prototype.
Su-37 (Flanker-F) - Experimental Multi-Role Fighter; single seat; thrust vector control; 2 examples produced but eventually converted to Su-35 form.
General Assessment
Firepower  
Performance  
Survivability  
Versatility  
Impact  


Values are derrived from a variety of categories related to the design, overall function, and historical influence of this aircraft in aviation history.
Overall Rating
The overall rating takes into account over 60 individual factors related to this aircraft entry. The rating is out of a possible 100.
100
Relative Maximum Speed
Hi: 1500mph
Lo: 750mph
This entry's maximum listed speed (1,491mph).

Graph average of 1125 miles-per-hour.
City-to-City Ranges
NYC
 
  LDN
LDN
 
  PAR
PAR
 
  BER
BER
 
  MSK
MSK
 
  TKY
TKY
 
  SYD
SYD
 
  LAX
LAX
 
  NYC
Sukhoi Su-35S operational range when compared to distances between major cities.
Aviation Era Span
Pie graph section
Pie graph section
Pie graph section
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Pie graph section
Showcasing era cross-over of this aircraft design.
Unit Production (130)
Comm. Market HI*: 44,000 units
Military Market HI**: 36,183 units
130
130

  * Commercial Market High belongs to Cessna 172.

  ** Military Market High belongs to Ilyushin Il-2.


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