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Air ForcesRussia

Su-27SK (Flanker-B)

Multirole fighterFielded 1987Pending verification

Also known as: l Flanker-B

Air ForcesRUS
Su-27SK (Flanker-B)
Photo: TNI Angkatan Udara, Sandriani Permani · Public domain, Wikimedia Commons
Fact cardConfidence · Source
System
TypeMultirole fighter
Alternative designationsl Flanker-B
Date of introduction1987
ProliferationAt least 5 countries
ManufacturerSukhoiMed[1]
Crew1Med[1]
Dimensions and weight
Length21.9 m72 ftMed[1]
Wingspan14.7 m48 ftMed[1]
Height5.92 m19 ftMed[1]
Wing area62 m2Med[1]
Empty weight16,380 kg36,112 lbMed[1]
Gross weight23,430 kg51,654 lbMed[1]
Flight performance
Engine2 × Saturn AL-31F afterburning turbofan enginesMed[1]
Thrust / power75.22 kN (16,910 lbf) thrust each dry, 122.6 kN (27,600 lbf) with afterburnerMed[1]
Speed2,500 km/h1,553 mph · 1,350 ktMed[1]
Service ceiling19,000 m62,336 ftMed[1]
G limits+9Med[1]
Rate of climb300 m/sMed[1]
Thrust-to-weight1.07 with 56% internal fuel; 0.91 with full fuelMed[1]
Protection
NBC ProtectionYesMed[1]
Armament and payload
Hardpoints10 external pylons with a capacity of up to 4,430 kg (9,770 lb)Med[1]
ArmamentGryazev-Shipunov GSh-30-1; Vympel R-27 (AA-10 Alamo); R-73E; S-8KOM; S-13T; RBK-250; RBK-500Med[1]
Fire control
Fire Control RadarPhazotron Zhuk-MSE radarMed[1]
Navigation RadarN001E radarMed[1]
Targeting SystemOEPS-27 electro-optical targeting systemMed[1]
Radar Warning ReceiverSPO-15 Radar Warning ReceiverMed[1]
IRSTOEPS-27 IRSTMed[1]
Variants
T10 ("Flanker-A")Initial prototype configuration.[1]
T10SImproved prototype configuration, more similar to production spec.[1]
P-42Special version built to beat climb time records. The aircraft had all armament, radar and paint removed, which reduced weight to 14,100 kg. It also had improved engines. Similar to the US F-15 Streak Eagle project.[1]
Su-27Pre-production series built in small numbers with AL-31 engine.[1]
Su-27S (Su-27 / "Flanker-B")Initial production single-seater with improved AL-31F engine. The "T10P".[1]
Su-27P (Su-27 / "Flanker-B")Standard version but without air-to-ground weapons control system and wiring and assigned to Soviet Air Defence Forces units. Often designated Su-27 without -P.[1]
Su-27UB ("Flanker-C")Initial production two-seat operational conversion trainer.[1]
Su-27SKExport Su-27S single-seater. Exported to China in 1992-1996 and developed into Shenyang J-11.[1]
Weapons and payload options · 7Confidence · Source
Gryazev-Shipunov GSh-30-1Autocannon
Med[1]
Range
1.8 km1 mi · 1 nmi
Quantity
150 Rounds
Type
Autocannon
Caliber
30mm
Rate of fire
1,800 rounds/min
Vympel R-27 (AA-10 Alamo)Air-to-Air Missile
Med[1]
Quantity
6 × R-27R/ER/T/ET/P/EP air-to-air missiles
Type
Air-to-Air Missile
R-73EAir-to-Air Missile
Med[1]
Quantity
4 × R-73E AAMs
Type
Air-to-Air Missile
S-8KOMHEAT Rocket
Med[1]
Range
1–4 km1–2 mi · 1–2 nmi
Type
HEAT Rocket
Warhead weight
3.6 kg (1.1 kg of Hecphol-5/A-IX-10 explosive)
S-13TTandem HEAT
Med[1]
Range
1–4 km1–2 mi · 1–2 nmi
Type
Tandem HEAT
Warhead weight
21 kg and 16.3 kg (1.8 kg and 2.7 kg of explosives)
RBK-250Cluster Bomb
Med[1]
Type
Cluster Bomb
RBK-500Cluster Bomb
Med[1]
Type
Cluster Bomb
Summary

Su-27SK Export Su-27S single-seater. Exported to China in 1992-1996 and developed into Shenyang J-11.

Draft entry. Values come from the cited public sources and are awaiting editor verification.
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Operators
AngolaChinaIndonesiaRussiaVietnam
Sources
  1. Su-27SK (Flanker-B) Russian Multirole Fighter, U.S. Army TRADOC G-2 Worldwide Equipment Guide (ODIN)
    Published/updated 2026-03-20 · Tier 1 · checked 2026-10-10
Change log
  • 2026-10-10 Entry created from the Worldwide Equipment Guide (ODIN), bulk import
  • 2026-10-10 Added photo (Public domain)