Avionics: RSIU-3 Klyon VHF

radio, OSP-48 ILS; ARK-5

Amur ADF; RV-2 Kristall radio

altimeter, MRP-48 Dyatel

marker beacon, DGMK-3

remote gyro compass, SRO-1

Bariy-M IFF,

Cannons/magazines

set on removable

under fuselage tray

1 x 37 mm (1.45 in) Nudel'man N-37D cannon with

40 rounds (starboard under nose) and 2 x 23 mm

(.90 in) Nudel'man-Rikhter NR-23 cannons with

80 rounds per gun (port under nose)

Provision for under wing

250 lt (55 Imp gal, 66 US gal)

slipper tanks (shown) and

bombs, later new pylon

mounted 400 lt (88 Imp gal,

106 US gal) fuel tanks with

sway braces replacing

slipper tanks

RSIU-3 comms antenna/rigging

ASP-3N automatic gunsight

EKSR-46 four round signal

flare launcher on rear

starboard fuselage

Air brakes

1 x Klimov VK-1 centrifugal turbojet

Engine starter panel

Aft sliding bubble canopy

Large tail fin with 56º

leading edge sweep

Radio antenna

Fuselage break line

cut away under

fin for exhaust

Bendable trim tab on lower rudder section

Split rudder

IFF antenna

Gun camera fairing

Tail bumper

Pressurised cockpit

Removable tail section

for engine access

Large nose subsonic intake with central

splitter plate and intake ducts passing

either side of forward avionics bay/

cockpit/main fuel tank

Cruciform tail unit

Radio antenna offest to starboard

Pitot

Mid mounted wing with 35º

leading edge sweep, 1º angle

of incidence and 2º anhedral

Fences on upper wing surfaces

Radar altimeter

antenna

Swept tailplanes with 40º leading

edge sweep incorporating full-span

elevators with mass balances at tips

One-piece, under wing

half span flaps

Bendable trailing

edge trim tabs

Large, powered aileron

Radar altimeter antenna

Mikoyan cartridge fired

ejector seat

Armoured windscreen