This document is a seminar report on the Tejas light combat aircraft submitted for a bachelor's degree. It provides an overview of the development of the Tejas program, including its origins in India's goal of self-reliance in aerospace technology. Key phases of the program included the establishment of agencies to manage development, the production of prototypes, and testing leading to operational clearance. The report also describes the Tejas design features such as its airframe, avionics, flight controls and propulsion. It concludes with the planned production variants and initial operators of the Tejas aircraft.

1. i
TEJAS
A Seminar Report Submitted in Partial Fulfillment of the Requirement
For the Degree of
BACHELOR OF TECHNOLOGY
in
MECHANICAL ENGINEERING
by
SAURABH GUPTA
(ROLL NO.: 156414009)
Submitted to
Mr. MANISH KUMAR SINGH
(Asst. Prof.)
Ms. SWATI VERMA
(Asst. Prof.)
Mr. ANSHU PRAKASH MAURYA
(Asst. Prof.)
Department of Mechanical Engineering
Ashoka Institute of Technology and Management, Varanasi
Dr. A.P.J ABDUL KALAM TECHNICAL UNIVERSITY, LUCKNOW
August, 2017

2. ii
CERTIFICATE
Department of Mechanical Engineering
Ashoka Institute of Technology and Management, Varanasi
Certified that this report entitled “TEJAS” is the paper presented by SAURABH
GUPTA (Roll no.:156414009) in partial fulfilment of the requirement for the
award of degree of Bachelor of Technology in mechanical engineering of Dr. A.P.J
Abdul Kalam Technical University , Lucknow.
1. Mr. MANISH KUMAR SINGH
(Assistant Professor)
2. Ms. SWATI VERMA
(Assistant Professor)
3. Mr. ANSHU PRAKASH MAURYA
(Assistant Professor)
Date:
Head of Dept.

3. iii
ACKNOWLEDGEMENT
I would like to express my special thanks to my faculty members who gave me this
golden opportunity to do this wonderful report on the topic “Tejas”.
Secondly, I would like to express my gratitude towards my parents, friends, sisters,
brothers and well wishers for their encouragement which helped me in completing this
project.
Special thanks to those authors and publishers whose works proved to be vital for my
report .Without their intellectual works, it would not have been possible to complete this
report.
SAURABH GUPTA
(Roll no. : 156414009)
(B.Tech.:ME 3rd
year)

4. iv
ABSTRACT
The value of the aerospace "self-reliance" initiative was not simply the production of an
aircraft, but also the building of a local industry capable of creating state-of-the-art
products with commercial spin-offs for a global market. The LCA programme was
intended in part to further expand and advance India's indigenous aerospace capabilities.
To better accomplish these goals, the government of India in 1984 decided to establish
the Aeronautical Development Agency (ADA) to manage the LCA programme.
Hindustan Aeronautics Limited, (HAL) was to be the principal partner with
participation of various DRDO & CSIR Laboratories, Public & private sector industries
and academic institutions.
The Tejas, or ‘radiance’, is an indigenous fighter aircraft jointly developed by
Aeronautical Development Agency and Hindustan Aeronautics Limited. It is the
smallest lightweight, multi-role, single-engine tactical fighter aircraft in the world and is
being developed in single-seat fighter and twin seat trainer variants for the Indian Air
Force and Indian Navy
By 2005, the Tejas had proven itself in the testing phase and the first order for 20 Series
Production aircrafts was placed. A follow on order for an additional 20 SP aircraft was
placed in 2010.

5. v
CONTENTS
Page No.
Certificate ii
Acknowledgement iii
Abstract iv
Contents v
List of Figures vii
List of Tables viii
1. Introduction 1
2. Development 2
2.1. Origin 2
2.2. LCA Programme 3
2.3. Prototypes and Testing 6
2.4. Operational Clearance 8
3. Design 11
3.1. Airframe 12
3.2. Avionics 13
3.3. Flight Controls 15
3.4. Propulsion 16
4. Operational History 17
4.1. Prototypes 17
4.1.1. Prototypes Variant (PV) 17
4.1.2. Naval Prototypes (NP) 17
4.1.3. Limited series production (LSP) Aircraft 18
4.2. Planned Production Variants 19
4.3. Operators 21
5. HAL Tejas MK-1 (Specification) 21
Conclusion 24
References 25

6. vi
LIST OF FIGURES
No. of Figures Page No.
1. Tejas 1
2. Tejas Trainer at 62nd
Republic Day Parad of India, New Delhi 3
3. Tejas Parked 6
4. Tejas under construction 8
5. Tejas trainer variant 11
6. Naval LCA during flight testing 11
7. Tejas at Aero-India 2009 13
8. A Tejas conducting an inverted pass 16
9. Tejas carrying Astra missile, R-73 missile and drop tank 22

7. vii
LIST OF TABLES
No. of Table Page No.
1. Tejas Features 2
2. General Characteristics 22