Jets and Tejas

The purpose of this post is to briefly compare the LCA tejas with the the Chinese JF-17 (non biased).

The HAL Tejas is a 4th generation lightweight multirole fighter aircraft being developed by India. It is a tailless,compound delta wing design powered by a single engine.Originally known as the Light Combat Aircraft (LCA) – a designation which continues in popular usage.

Limited series production of the Tejas commenced in 2007.

Through the use of modern design techniques, lightweight materials and composites, it is expected to become the lightest modern jet fighter in production.

The principal and most obvious goal was the development of a replacement aircraft for India’s ageing Mikoyan-Gurevich MiG-21 (NATO reporting name ‘Fishbed’) fighters. The MiG-21 has been the mainstay of the Indian Air Force since the 1970s, but the initial examples were nearly 20 years old by 1983.

The Tejas is single-engined multirole fighter which features a tailless, compound delta-wing planform and is designed with “relaxed static stability” for enhanced maneuverability. Originally intended to serve as an air superiority aircraft with a secondary “dumb bomb” ground-attack role, the flexibility of this design approach has permitted a variety of guided air-to-surface and anti-shipping weapons to be integrated for more well-rounded multirole and multimission capabilities


  • LCA is lightest and smallest.indigenously made by INDIA while JF 17 is a joint operation by china and pakistan.
  • Considering the Beyond Visual Range capability of the two fighters, the LCA beats the JF 17 because Pakistan is used to getting the job done with Sparrows and JF 17 is only equiped with SD 10s. LCA is equipped to carry all the next generation missiles that the SU 30mki carries along with the capability of carrying several advanced BVR missiles like AA-10 Alamo, AA-12 Adder, MICA and maybe even Derby. But the main component is the India’s own Indigenous BVR missile, Astra.

quoting from global security

The glass cockpit and hands on throttle and stick (HOTAS) controls reduce pilot workload. Accurate navigation and weapon aiming information on the head up display helps the pilot achieve his mission effectively. The multifunction displays provide information on engine, hydraulics, electrical, flight control and environmental control system on a need-to-know basis along with basic flight and tactical information. Dual redundant display processors (DP) generate computer-generated imagery on these displays. The pilot interacts with the complex avionics systems through a simple multifunction keyboard, and function and sensor selection panels. A state-of-the-art multi-mode radar (MMR), laser designator pod (LDP), forward looking infra-red (FLIR) and other opto-electronic sensors provide accurate target information to enhance kill probabilities. A ring laser gyro (RLG)-based inertial navigation system (INS), provides accurate navigation guidance to the pilot. An advanced electronic warfare (EW) suite enhances the aircraft survivability during deep penetration and combat. Secure and jam-resistant communication systems, such as IFF, VHF/UHF and air-to-air/air-to-ground data link are provided as a part of the avionics suite. All these systems are integrated on three 1553B buses by a centralised 32-bit mission computer (MC) with high throughput which performs weapon computations and flight management, and reconfiguration/redundancy management. Reversionary mission functions are provided by a control and coding unit (CCU). Most of these subsystems have been developed indigenously.

Tejas is India’s a step ahead towards developing next generation fighter pilots.

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Mohit Kumar

A simple person who likes to share his thoughts on this blog. Know more about me

4 thoughts on “Jets and Tejas”

  1. the first thing is that the j-f17 is operated by pakistan now but the tajes are not conducted in indian air force because some high level authorities show their concearns on this project. Secondly the jf-17 under go many changes when it is built in pakistan. for this purpose the aggrements are finalized with italian and france firms.At present the jf-17 has edge on tages until they come in service

  2. I agree with both the comments. Tejas is not yet proven aircraft though touted to be much better than JF17. But one features which will always work in tejas advantage in air-to-ground attack is its high maneouverability especially if requiring deep strike like in mountaineous regions. If the IAF does upgrade the next squardon (mark 2)of tejas with 90-100KN afterburner engines, then it will certainly have an edge over JF17.A lot depends upon what role are they used for. They are multi-role but not equal to each other in various role. Will see in next 2 years when tejas squardon operationalise. Till then JF17 rules un-opposed!

  3. All the three above comments have been made by people who are biased ,ill informed and semi literate.The person writing the first comment cannot even compose a proper sentence.Reading between the lines it is obvious the person is bitter and has let his heart over rule his head and not understood the article at all.Anyway good luck to the Punjabis (Paki) and their JF17, we Sindhis have no interest in it .All I have to say as do my fellow Sindhis is ”Pakistan Na Khappay”.

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