Revised/strengthened main gear

Revised/strengthened nose wheel

Reinforced cannon mounts

SRO-1P Parol'-2 IFF

blade antenna

SRO-1P Parol'-2 IFF

blade antenna

Revised Su-25, details as Su-25 (early)

unless otherwise indicated

Fin root intake deleted

Strengthened fin

Additional engine bay armour

2 x Gavrilov R95Sh non-afterburning turbojets,

later (1990 onwards) 2 x Gavrilov R195 non-

afterburning turbojets (see Su-25BM)

Reinforced wing structure

Additional 'wet' pylon

under each wing

2 x additional chaff/flare

launchers in tandem on

each upper rear engine

nacelle

Aileron tabs deleted

Revised upper wing panelling

Additional intake

on each upper rear

engine nacelle

Revised elevators

Increased armour plating

on forward fuselage

Avionics: SRO-1P Parol'-2 IFF replacing

SRZO-2/-2M Khrom-Nikel IFF

Extended ailerons with

spring loaded servo tabs

Boundary layer fences on upper wing deleted

2 x Gavrilov R95Sh non-afterburning turbojets

Nav/attack suite

from Su-17M3

Wing span increased to 14.36 m (47 ft 1 in),

leading edge sweep reduced to 19º 54' and

wing area increased by 1.7 m2 (18.3 ft2)

5º dihedral to tailplanes

Deeper/longer engine nacelle

Revised first prototype, details as

T8-1 unless otherwise indicated

Flattened wingtip pods with split airbrakes

Revised engine nacelle exhaust

section/cooling inlets

Internal ladder on port side

Nose extended by

210 mm (8.27 in)

Rear fuselage lengthened by 240 mm (9.45 in)

Extended

metal fin cap

Fin area increased to 4.65 m2 (50.05 ft2)

Twin fin pitots

Kylon-PS LRMTS (Laser

Rangefinder/Marked

Target Seeker

Retractable

landing light

under each

wingtip pod

Two-

piece

rudder

Larger main wheels with revised/bulged main gear doors

7º slope to intake leading edge

Back-up pitot with

ILS antennas swopped

to starboard

Main pitot to port

Tailplane elevators revised

with spring-loaded servo tabs

Extended/revised

two-section,

double-slotted

flaps

Cooling inlets

Small inlet on upper

starboard engine nacelle

Armoured cockpit

(welded titanium

Five section leading edge slats

ASP-17BTs-8 computing gunsight

Explosion suppression foam

filler in internal fuel tanks

Engines capable of using

standard automotive diesel

Unpressurised

cockpit

SRO-2 'Odd Rods'

IFF antennas

SRO-2 'Odd Rods'

IFF antennas

Export version, details as Su-25 (later)

unless otherwise indicated

Fin root intake

2 x Gavrilov R95Sh non-afterburning turbojets,

later (1990 onwards) 2 x Gavrilov R195 non-

afterburning turbojets (see Su-25BM)

180 Su-25K airframes manufactured at Aircraft

Factory No.31 (Gheorgiy Dimitrov), Tbilisi,

Georgia, USSR  between 1984-91

UPGRADES:

Su-25KM Scorpion – 1 x Georgian Su-25K

modified in 2001 with Elbit Systems avionics

(MIL-STD-1553B databuses, multi-role

computer, glass cockpit, WDNS (Weapons

Delivery Navigation System), GPS/GLONASS

receiver, Moving map display, upgraded VOR/

ILS, HUD, HOTAS, secure UHF/VHF radios) with

capability for western weapon carriage) plus

R195 engines;

Belorussia – SOI-25 'glass' cockpit, SN-25 nav

system,  SR-25 comms system with secure

datalink, Talisman/Satellit ECM/defensive

suite and AV recording system and expanded

weapons capabilities;

Bulgaria – modified for NATO integration with

AN/ARN-154(V) TACAN, AN/ASN-175 GPS, VOR/

ILS DME receivers;

UPGRADES:

Czech Air Force – modified for NATO

integration

Iran – new comms/nav suite, VOR/

ILS systems

Ukraine – SN-3307 GPS/GLONASS

SATNAV receiver, MSD-2000V DME,

MVP-1-1V air data system,

Koors-93M-V approach/landing

system, ASP-17BTs-8M2 digital

computing gunsight, revised R-862

radio, A-511 transponder,

BUR-4-1-10 flight data recorder,

redesignated as Su-25M1, Su-25M1K

(with additional Adros KUV 26-50-1

chaff/flare launchers