The Division at present is Manufacturing & maintaining Avionics Systems for fitment on the Shamsher(Jaguar), Bahadur(MiG-27M Upgrade), OJAS(Su-30MKI), VAJRA(Mirage-2000), TEJAS(LCA), Shamsher(Jaguar upgrade), SITARA(IJT) and AJT-HAWK(AJT) aircraft, which are manufactured by the Aircraft Division of the Bangalore Complex and Nasik Division of MiG Complex respectively.  The Product Range of the Division comprises of the following Systems:

Jaguar And Jaguar Upgrade:

Inertial Navigation System (INS), Head up Display System (HUDWAC), Laser System  & Combined Map Display System (COMED) etc., Gyros & Accelerometers for INS & other Control Systems Digital Map Generator (DMG),  Head Up Display (HUD) and Multi-Functional Display (MFD). 

Mig-27 M & MIG 27 Upgrade:

Sighting & Navigational Complex System, Inertial Navigation System, Digital Computer, Navigation & Attack Control Panel, Flight Data Recorder, Laser System, Air Data System & MFD, DMG and HUD for MiG-27 upgrade.  

Su-30 MKI:    

Head Up Display, Multi-Functional Display (MFD), Digital Map Generator (DMG),  Opto Electronic Sighting and Navigational Complex System (OEPrNK-30MK-03), Digital Computer, Laser and Infra-red System, Flight Data Recorder etc.

AJT Hawk:    

Data Transfer Systems (DTU & DTC), Health Usages and Monitoring Systems (HUMS), Head Up Display (HUD), Multi-Functional Display (MFD) & Mission Computer. 

Mirage & Mirage Upgrade (proposed):    

TOTEM 3000 & CDU 2000, Flight Recorder ESPR NG, Integrated Multi Display System (IMS) & Modular Digital Processing Unit (MDPU). 

Mig-21 Bis Upg. & Mig-29 Upg. A/C (Proposed):  

            INGPS (TOTEM 221G & CDU 221)

LCA (Proposed):    

Helmet Mounted Display System (HUMS), Sensor Assemblies (RSA & ASA) 

Sitara (IJT):

           Indigenously developed SSFDR and Head Up Display (HUD), Multi-Functional Display (MFD) & Mission Computer

Currently Korwa Division manufactures and maintains the following major avionics systems for wide myriad of platforms.

Weapon Aiming System: LRMTS, KLEN-PM, OLS, SURA

Imaging system: Electro-optical Payload, Air Data Unit, Vertical Gyro Unit, Rate Gyro Unit

Alarm & Signaling System: SAS

Navigation System: UNA, INGPS, SBKV, Gyro, Accelerometer

Display System: COMED, HUDWAC, HUD, MFD, DMG, Sighting Head

Recording System: Solid State Flight Data Recorder, Ground Replay Equipment, UZL Tester, Flight Data Recorder

Brief details of the avionics systems are as under:

NEW WESTERN PROJECTS

a)  The Division has set up facilities for the following projects:

 Digital Map Generator Manufacturing and Depot Level Maintenance facilities for Digital Map Generator

 (DMG) for Jaguar, MiG-27 Upgrade and SU-30 MKI aircraft under license from   M/s ELBIT, Israel. DMG

 Provides digital images & navigation & mission data for interface with main aircraft computer.

Displays moving digital map on MFD. Generates and implements temporary and permanent symbology.

Head Up Display System: Manufacturing and Depot Level Maintenance facilities for Head Up Display (HUD) for Jaguar and SU-30 aircraft under license from M/s ELOP, Israel and maintenance of MiG-27 UPG HUD. Electro-optical device that projects flight information on a combiner glass for pilot’s head-up viewing. Information symbology is superimposed on the pilot’s external field of view.

Multi-function display (MFD)  is  a small screen (AMLCD) in aircraft cockpit with bezel having multiple switches for display of information in desired configuration. Production facilities for manufacture of Multi-Function Display (MFD) for SU-30, Jaguar and MiG-27 Upgrade aircraft under license from M/s THALES Avionics, France.      

Option of various sizes & type   Displays RGB video images. Interface (keyboard) - man-machine management

MFD is used in SU-30 MKI, Jaguar, MIG 27 Upgrade, IJT, LCA & AJT HAWK

 

INGPS  is a Strap down RLG based inertial reference system with embedded GPS receiver is  used in SU-30 MKI, Jaguar, MIG 27 Upgrade,  LCA & AJT HAWK

External Input/output management  INS/GPS monitoring & failure management Pure inertial navigation/Pure GPS navigation/Hybrid INS+GPS navigation data  processing GPS/GLONASS satellite compatibility Availability of multiple alignment modes & in-flight alignment with GPS.

• Inertial Navigation System
   
• Stabilized Inertial Platform with Dry-tuned Gyroscopes and Accelerometers
   
• Digital Nav-Attack Computer
   
• Interface Unit and Cockpit Control Panels

 

• Combined Map and Electronic Display (COMED)
   
• Head Down Navigation & Map Display
   
• Soft key Selectable Display Modes
   
• Integrated with INS and HUDWAC on MIL-STD 1553B Digital Data Bus

• Flight Data Recorder (FDR)
   
• Crash protected Flight Data Recording System with Data Acquisition Unit
   
• Simultaneous recording of Data and Audio tracks
   
• Recording duration of 90 minutes in endless loop

• Laser Ranger and Marked Target Seeker (LRMTS)
   
• Operates both in Ranging and Target Seeking modes
   
• Target Range Computation
   
• Neodymium Doped YAG Laser

• Autostabliser System (AUTOSTAB)
   
• Computer Based System for Control of Tailplane, Rudder and Spoiler Movements
   
• Incorporate BITE Facility

Division has set up the Depot Level Maintenance Facilities for the following UAV LRUs & MOSP Sensors under License from IAI Malat Israel.

REPAIR OF AVIONICS OF UAV:

Depot Level Maintenance of MOSP Sensors

b):  Su-30MkI Articles (Russian Articles)

1.   Opto-Electronics Sighting and Navigation complex (OEPrNK – 30Mk-03)

2.   Complex Signaling System (KISS-2-10M-1)

3.   Alarm Warning & Advisory Signaling System (SAS-6-11M)

4.   Automatic AIR intake control system (ARV-40A)

5.   Icing Signaling Device (SO-121 VM)

1. Opto-Electronics Sighting and Navigation complex (OEPrNK – 30MK-03)

1.1   System Panel (PS-5-03)

1.2   Directional & vertical Non-Platform System (SBKV-2V-1)

1.3   Limiting signal system (SOS-2-7-1)

1.4   Air data computer (SVS-2Ts-U-30MkI)

1.5   Coupling and data conversion Block (BSPI-6-03)

1.6   Optical detection and Ranging station (36sh-01)

1.7   Helmet mounted target designation system (SURA)

1.8   Inertial Measuring Block (IIB-1)

1.9   Reprogrammable memory Block (BRP-3)

1.10 Complex power supply unit (KBP-1)

1. Opto-Electronic sighting & Navigation complex (OEPrNK-30Mk-03)

OEPrNK –30Mk-03 complex of Su-30MkI aircraft provide functional integration of on-board radio electronic equipment for weapon use and aircraft control in all flight and Navigation modes following are main tasks:-

General Task:-

• Management of information control cockpit field (ICF) to provide pilot avionics and pilot-aircraft equipment interfaces.

• Management of data exchange between aircraft.

Combat Task:-

• Detection, Identification and tracking of aerial ground and surface targets by passive thermal –imaging, TV and radar aids.

• Data generation and supply to guided missiles for their preparation.

Navigation Task:-

• Modes: Take-off, en-route flight, landing, repeated approach.

• Possibility of memorize and storage of:

-         100 way points of programmed flight:

-         100 update point in geographical and polar system of coordinates:

-         4 alternates airfields.

-         4 radio beacons.

Control Tasks:-

• Automatic, flight-director and manual control incase of weapon use and navigation modes.

Monitoring Tasks:-

• Avionics integrated monitoring including subsystem status data supply to pilot and recording system.

1.1 System Panel (PS-5-03)

Control panel PS-5-03 is meant for input of parameters

into mission computer both on ground and on flight, providing

solution for operating modes of OEPrNK-30MK-03, display of

various parameters produced by OEPrNK-30MK-03.

a) In computer analogy it is just like a computer

screen of 6’’ x 5’’ with attached keyboard. Keyboard

 is used for input the information and screen to

display the information entered by keyboard as

output by mission computer.

b)    Basically the information is waypoints and

update way points.

            Main features:

            Number of lines:                                   10

            Number of symbols per line:                  20

            Color of indication:                                Green

Stored information capacity                   10 Mbytes

Brightness adjustment range:                 5 to 100%

1.2 SBKV-2V-1

SBKV-2V-1 is inertial navigation system of strap-down type and use in aircraft as a sensor for determining and delivery of.

• Angles of roll and pitch.

• Gyroscopic and gyro-magnetic heading.

• Components of angular velocity along axis of mounting of article.

• Components of linear velocity along the three mutually perpendicular orthogonal axes.

• It constitutes 2 Dry tuned gyro and 3 Accelero and one computing block.

• Gyro has 2-degree of freedom hence they can measure angular movement in all three directions.

• Three Accelero are mounted in three direction perpendicular to each other (i.e. in X, Y & Z direction for initial condition).

Accelero outputs provide the information about linear acceleration in each direction, and Gyros provide angular movement information of Accelero directions. With the help of computing block we compute the actual movement of aircraft in three directions X, Y and Z. with respect to initial point with (0.0.0)

1.3 Limiting signal system (SOS-2-7-1):

It is electro mechanical unit ensures measurement, calculation, formation & supply of:- Angle of Attacks / slip measurement. Normal overload measurement. Calculation of limits values of attacks / slip angle, normal over load and indicated airspeed. Shaping & delivery of warning signals about approach of actual value of True angle of attack, normal overload of A/C to their A/C value. Shaping & delivery of warning signals about approach of geometrical altitude to dangerous values, about exceeding of permissible mass of aircraft during flight, about imbalance of angles of attack form right and left sensors. DAU – aerodynamic Angle sensor DLU – g-load sensor (Pendulum mounted center of gravity of A/F)

1.4 Air data computer (SVS-2Ts-U-30MkI):

Operating of SVS is based on measuring static (P static), P pitot pressures and converting them into digital codes. This system is mean for measurement  of following information: True pressure Altitude (H true) Mach. No (M) True air speed (VTAS ) Indicated Air Speed (VIAS) Outside air temperature (TOAT) Vertical speed.

1.5 Coupling and data conversion Block (BSPI-6-03):

This unit is meant for information conversion and communication. All the units of OEPrNK-30Mk-03 connected through this block. It ensure correct exchange of information between all units. In case of failure of main mission computer, this article work as a stand by computer. This unit perform data by using mil-1553bBL2S $ AR INC 429 Bus.

 1.6 Optical detection and Ranging station (36Sh-01)

Article 36Sh-01 consists of three blocks.                       Monoblock Power supply unit Correction block (correction of error from changing alignment) Following modules of Art 36Sh-01 are bought out items: Micro-cryogenic system Photo Receiver Fairing, shield. Article 36Sh-01 is meant for: Searching detecting and tracking of airborne targets IR detectors. Measurement of range to close air targets and ground targets. Guidance of LASER guided missiles. Provide target designation.

1.7 Helmet Mounted Target Designation system (SURA) :

SURA is Opto-electronic unit. Article SURA is meant for close air combat and for determining the coordinates of visually observable targets by movement of the head of the pilot in azimuth and elevation direction.

1.8 Inertial Measuring Block (IIB-1):

Inertial Measuring unit is meant for determining and sending of components of linear acceleration Ax, Ay, Az and component of absolute angular velocity  Wx, Wy and Wz. This unit has two dry tunned Gyroscopes and three servo accelerometers. The signal provided by this unit are used for positioning the RADAR antenna.

1.9 Reprogrammable Memory Block BRP-3 :

Re-programmable memory Block BRP-3 is meant for input of flight task. It is known as flight data transfer unit (FDTU). It has flash card (20MB) for information carrier. It is meant  for transmission, computation, & record of information necessary for solving the task of OEPrNK during pre-flight preparation & during flight.

 1.10 Complex power supply unit (KBP-1) :

Complex power supply unit KBP-1 is meant for: Switching ON/OFF the electric supply circuits of system and units of the complex. Conversion of 115V, 400Hz into 36V, 400Hz & 26V, 400Hz  for supply of units. Pressures illumination by regulated voltage 0 to +28V & 0 to 115V, 400Hz.

2. Complex signaling system (KISS-2-10M-1): 

• KISS is meant for carrying out the following functions:

• Determination of un-serviceability of system of aircraft up to blocks at operative types of technical servicing and expanded checks by analyzing the information coming to KISS.

• Inspection of equipment and system of A/C in flight by analyzing the information coming to KISS    from equipment and system of A/C and analog sensor of A/C.

• Supply of correlated information as per result of “In flight check” to FDR.

3. Alarm warning and advisory signaling system (SAS-6-11M):   Emergency signaling system, SAS-6-11M is meant for warning to pilot with the help of light signals about failures and conditions system and aggregates of A/C.
4. Automatic Air intake control system (ARV-40A)   Automatic air intake regulating system ARV-40A is meant for controlling the position of air by-pass panel of two different air intake of A/C.
5. Icing Signaling Device (SO-121):   SO-121 is meant for delivery of electrical command “ICE” about the presence of ice condition on signal panel and switching on - off heaters in automatic control system of A/C in case of appearance of ice.

c)   SSFDRs:

After successful completion of design & development approval, production of indigenously developed SSFDR for Jaguar DARIN-II, LCA, MK-1 & IJT Aircraft started. Design & Development of Solid Sate Flight Data Recorder SSFDR for Jaguar DARIN-III, MiG-27 UPG., ALH & Su-30 A/c. is also underway.

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