Su-30 (Su-27PU)
PU for Punkt Upravlenija - "Control Point" or Perechvatcik Uchebnyj - "Interceptor Trainer". Modernized Su-27UB. 5 units operated by the Russian Air Defence Forces.
Su-30K
Commercial (export) version of the basic Su-30. The Indian Air Force briefly operated some Su-30Ks in the late 1990s.
Su-30KI
Sukhoi proposal for upgrading Russian AF single seat Su-27S. Also proposed export version for Indonesia, 24 were ordered but subsequently cancelled due to the 1997 Asian Financial Crisis.
Su-30KN
Upgrade project for operational two-seat fighters, the Su-27UB, Su-30 and Su-30K. This was cancelled in Russia but later revived as Su-30M2. Belarus consider updating ex-Indian Su-30K to the Su-30KN standard.
Su-30MK
Commercial version of Su-30M first revealed in 1993. Export versions include navigation and communication equipment from Hindustan Aeronautics Limited.
Su-30MKI
MKI for Modernizirovannyi Kommercheskiy Indiski - "Modernized Commercial Indian". An export version for India, jointly developed with Hindustan Aeronautics Limited (HAL). It is the first Su-30 family member to feature thrust vectoring control (TVC) and canards. Equipped with a multinational avionics complex sourced from Russia, India, France and Israel.
Su-30MKA
A version of the Su-30MKI, except with French and Russian avionics for Algeria.
Su-30MKM
A derivative of the Russian-Indian Su-30MKI, the MKM is a highly specialized version for Royal Malaysian Air Force. It includes thrust vectoring control (TVC) and canards but with avionics from various countries. It will feature head-up displays (HUD), navigational forward-looking IR system (NAVFLIR) and Damocles Laser Designation pod (LDP) from Thales Group of France, MAW-300 missile approach warning sensor (MAWS), RWS-50 RWR and laser warning sensor (LWS) from SAAB AVITRONICS (South Africa) as well as the Russian NIIP N011M Bars Passive electronically scanned array radar, electronic warfare (EW) system, optical-location system (OLS) and a glass cockpit.
Su-30SM
SM for Serijnyi Modernizirovannyi - "Serial Modernized". A specialized version of the thrust-vectoring Su-30MKI for the Russian Air Force, produced by the Irkut Corporation. NATO reporting name Flanker-H. The Su-30SM is considered a 4+ generation fighter jet. The aircraft has been upgraded according to Russian military requirements for radar, radio communications systems, friend-or-foe identification system, ejection seats, weapons, and other aircraft systems. It is equipped with the N011M Bars radar with a maximum detection range 400 km, search range 200 km using a phased array antenna, frontal horizontal fins and steerable thrusters for super maneuverability as well as with wide-angle HUD. The aircraft can be used to gain air supremacy same as for targeting adversary on the ground using wide range of weapons including air-to-air, air-to-surface and guided and unguided bombs with total weapons weight up to 8,000 kg. It is also equipped with the one barrel, 30 mm GSh-30-1 autocannon. To ensure operations at major distances from airfield, the ability of in-flight refueling (IFR) is included. Besides that, for electronic warfare purposes two SAP-518 jamming pods can be fitted on the wing tips. The SAP-518 is designed to protect the aircraft from various air-to-air and surface-to-air missiles by creating false targets, jamming missile's guidance, enemy aircraft radars or ground and seaborne air defense.
Su-30SME
Proposed export version of Su-30SM unveiled at the Singapore Airshow 2016.
Su-30SM2
Initially referred to it as SM1, is an upgrade project of Russian Su-30SM fighters, equipped with the N035 Irbis radar and more powerful AL-41F1S engines of the Su-35S, with the goal to reduce operational costs when unifying the two fighters. The modernized fighters will also obtain new types of weapons, namely the KAB-250 aerial bombs and Kh-59MK2 stealth cruise missile. First deliveries are scheduled for end-2020.
Su-30MKK
MKK for Modernizirovanniy Kommercheskiy Kitayskiy - "Modernized Commercial for China". An export version for China. NATO reporting name Flanker-G.
Su-30MK2
Modernized Su-30MKK for China, Indonesia and Uganda with advanced avionics and weapons.
Su-30MK2V
Su-30MK2 variant for Vietnam with minor modifications.
Su-30MKV
Export version of Su-30MK2 for Venezuela.
Su-30M2
A Su-30MK2 version developed by KnAAPO. The Russian Air Force placed an initial order for the variant in 2009. Factory tests were completed in September 2010.Twenty aircraft have been ordered; 4 in 2009 and 16 in 2012. At least 12 have been produced as of August 2014, all four from the first contract in 2009, and eight from the second contract of 2012. They are mostly to be used as combat training aircraft for Su-30SM/SM2 and Su-35 fighters.
Su-30MK3
A proposed version with Phazotron Zhuk-MSF radar.