MMRCA 2 Ep-5 IAF Wants These Technical Equipment In Fighter Aircraft To Fight The Dog Fight

Shailesh Kumar/ National Defence Bureau,
New Delhi, 06 November 2019

This part of the MMRCA 2.0 news web series as very important while we discuss technical parameters listed out for OEMs in RFI. General avionics, radio communication, navigation and attack system, Electronic Warfare system, additional equipment for weapons like laser pod etc, databus, FDR, DVRs and night flying capability are so important aspects that define a fighter aircraft as a jet that can winningly take over the enemy. We will discuss all these aspects in detail in the 5th episode of MMRCA 2.0 series and 4th episode on technical parameters.

General Avionics

(a) Does the aircraft have data fusion to optimize mission accomplishment?

(b) How much is spare space (in terms of cu cm and number of ATRs) available in the avionics/ any other compartment for integration of additional systems? Specify.

(c) Are there spare cooling capacity, computation and electrical power for additional systems integration? Specify.

(d) Do the systems on-board, permit the aircraft to fly in RVSM airspace?

(e) Are the aircraft compliant to relevant ICAO standards for executing IFR flights, Precision/Non-precision Approaches using onboard avionics? Specify capability (Performance Based Navigation)/certification of the aircraft.

Radio Communication

(a) What is the type of communication suite provided? Does this communication suite have following capability:

(i) SATCOM (ii) V/UHF radio (iii) Datalink

(b) Is there a provision to integrate BFE/ BNE SDR?

(c) Is there a provision for integrating BFE/ BNE SDR with

onboard RADAR, missile uplink, mission computer and displays?

(d) Is there a provision to create codes of the secure mode specific to the IAF and the ownership of these codes should lie with IAF?

(e) Specify SATCOM interoperability and customisation possibilities.

Navigation and Attack System

(a) System should have an open architecture mission computer and avionics system with redundancy and provision for adequate capability for integration of future weapons/sensors?

(b) Does the aircraft have an Inertial Ring Laser Gyro (RLG)/ Fibre Optic Gyro (FOG) with Embedded Satellite

Navigation System (SNS)? Are they dual redundant? The SNS should have dual band receiver and should be capable of receiving signals from GLONSS/Galileo/IRNSS along with NAVSTAR satellites.

(i) Compatibility of SNS with WAAS/GAGAN should be built in.

(ii) Compatibility with IRNSS should also be provided.

(iii) What are the types and time for alignment? Is the full and rapid alignment time less than 4 min and one minute respectively?

(iv) Is the aircraft capable of carrying out full mission in the absence of SNS (stand alone mode)? If not, then what is the capability?

(v) Are the INS navigation errors less than 0.6 nm/hr (Circular Error Probability) in stand-alone mode (without SNS)?

(vi) Is the INS capable of alignment in flight? If yes, what are the limitations of aircraft motion and manoeuvring?

(vii) Is there a provision for DGPS enhanced navigation system for landing?

(viii) Is the system capable of „transfer alignment‟ to any other weapon/sensor?

(ix) Is there protection against GPS Jamming / Spoofing? Specify.

(c) Head Up Display (HUD)

(i) What is the type of HUD on the aircraft and what is the type of scan? What are the IFOV and TFOV of the HUD?

(ii) What is the capability of the HUD to display relevant symbology, including information from additional sensors, for the air to surface strike role, air to air role and air to sea role?

(iii) What is the redundancy for HUD failure?

(iv) Does the HUD have raster capability?

(d) Is there a provision of an integral IRST on the aircraft and is it capable of carrying a laser range finder which could be used for both air-to-air and air-to-ground applications?

(e)What is the maximum and minimum height determination capability of the radio/ laser altimeter?

(f) Is there a provision of a Digital Map Generation (DMG) display on the aircraft? Vendor to ensure transfer of format and necessary means to provide capability of IAF to use its own maps and load when required.

(g) What are the technical specifications of the Multi-Mode Radar as per Annexure III?

(h) Is the aircraft equipped with VOR, DME TACAN and ILS receivers?

(j) Can the aircraft carry out safe recovery (approach and landing) in standalone mode without using any ground based aid? Is this system dual redundant?

(k) Helmet Mounted Sight and Display (HMSD)

(i) What is the capability of HMSD by day and night?

Specify accuracy.

(ii) Does the HMSD have the ability to slave all aircraft sensors to pilot(s) line of sight (LOS) and cue the pilot?

(iii) Is there a provision to record HMSD view? (l) Mission Planning and Debrief System (MPDS)

(i) Can the aircraft MPDS (Mission Planning and Debriefing System) system be integrated with existing unified mission planning system of IAF? Specify possibility of providing ICD and requirements for integration.

(ii) Does it have a provision for a single point loading and retrieval of mission data, EW, Nav data?

(iii) Is the MPDS tropicalised and rugged for transportation? Is the MPDS PC based and is there a provision for portable system (tough book/ laptop)?


(a) What is the type (Mk XII (S) standard or better) of Combined Interrogator Transponder (CIT) fitted on the aircraft?

(b) Does the CIT have Mode „S‟ facility and does it have the facility for selective interrogation and crypto transmissions?

(c) Is the CIT provided with a crypto computer and is it possible for IAF to utilize indigenous encryption software on the crypto computer for the secure modes?

(d) Provision should exist to integrate an IFF system specified by the IAF?

(e) Does it have Non-Cooperative Target Recognition (NCTR)capability? Can IAF specified NCTR data be integrated?

EW Systems

Specification for EW systems is attached at Annexure IV.

Additional Equipment

Is it feasible to integrate and carry the following additional equipment on the aircraft for operations:-

(a) Panoramic cameras, targeting pods and EO/IR sensors for Reconnaissance Pod (Recce Pod).

(b) Laser Designator Pod (LDP). (c) ECM and ESM pods.

(d) Buddy Refuelling pod.

(e) Stand Off Jammer

(f) Specifyoptionalequipmentthatcanbeoffered.

Data Bus

(a) Is there a provision for integrated avionics open architecture with data exchange on dual redundant digital data bus at high data rates on open standard protocols?

(b) How much spare capacity is available on the data bus (at its peak load)?

Miscellaneous Systems

(a)        Flight Data Recorder (FDR)

(b)        (i) Is the recording medium crash and fire proof as per relevant standards? Does it have RF/ sonar locator beacon?

(c)        (ii)What is the recording capacity (time/flight hours) for data and audio?

(d)        (iii) Is there a provision to retrieve FDR data from the aircraft from a single point without removal of FDR?

(e)        (iv) Is there a provision for playing back the 3D flight profile from the FDR data?

(f)        (v)Provision should exist to supply required set of specialised equipment/ equipments, required for extraction of data from a crashed aircraft FDR.

(g)        (b) Does the aircraft have a Health and Usage Monitoring (HUMS) to monitor and analyse the aircraft fatigue data?

(h)        (c) Can the HUMS data be utilized by the existing Electronic Maintenance Management System (e-MMS) of IAF? Elaborate.

(i)         (d) Digital Video Recording System (DVRS)

(j)         (i) Provision should exist for a solid state multi- channel recording system for all displays such as HUD, HMSD, MFDs, voice etc. Is it possible to simultaneously record all these parameters?

(k)        (ii) Is the capability of recording all operationally relevant symbols in the field of view of the HUD and HMSD, both by day and night? Is there a possibility of using a single device for uploading and downloading mission related data from the aircraft?

(l)         (iii) Is the ground replay station capable of replaying mission parameters like 3D track, weapon trajectory simulation etc along with the recorded video channels?

(m)      (iv) Is it possible to supply COTS based data transfer device?

(n)        (e) Autopilot. Does the autopilot have the following modes:-

(i) Attitude Stabilization Mode (Bank & Pitch) (ii) Auto Trim Function

(iii) Horizontal and Vertical Navigation Mode (iv) Course & Track Capture Mode

(v) Altitude Selection Mode

(vi) Altitude Hold& Alert (RVSM capability)

(vii) Auto Weapon Delivery in conjunction with the Nav-attack system

(viii) MLS/ ILS capture (both Localiser & Glide Slope) and auto land facility

(ix) Critical Altitude Recovery/ Ground Collision Avoidance System

(x) Critical Attitude Recovery Mode / Level Mode (to recover the aircraft automatically to straight and level flight from an unusual attitude). What is the flight envelope limitation of this mode?

(xi) AP should be integrated with auto throttle for precision landing (till touchdown) with adequate built- in redundancy.

(xii) In case of twin-engine aircraft, is aircraft capable of single engine landing in auto-land mode?

Night Flying Capability

(a) Is the external lighting of the aircraft NVG compatible? If yes, then up to which Gen standards?

(b) Is there provision for night formation lights?

So that is it in this episode. Hope you like this video. If yes, do give it a thumbs up, share and subscribe National Defence. I will see you tomorrow in next episode till then stay fit, stay healthy and stay happy. Keep watching National Defence. Jai Hind. Vande Matram.

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