GATE 2021 Syllabus for Aerospace Engineering (AE), Preparation Tips and Books

    Nikkil Visha Nikkil Visha
    Exams Prep Master

    Aerospace Engineering is the primary field of engineering concerned with the development of aircraft and spacecraft. GATE 2021 Aerospace Engineering Syllabus will be divided into 6 sections. Those candidates who appear GATE Aerospace Engineering exam must go through the complete syllabus for better preparation.

    • Further, the topics have been divided into two categories – Core Topics and Special Topics.
    • 85% of the questions are asked from the subject-specific syllabus and the remaining 15% questions are asked from the general aptitude section.
    • Applicants appearing for Aerospace engineering paper have to attempt 65 questions in the duration of three hours.  Check GATE 2021 Exam Pattern

    GATE 2021 qualifying candidates will become eligible to take admission in M.Tech courses offered at IITs, NITs, etc. To prepare for the exam candidates must go through the article to know more about syllabus, exam pattern, and books. 

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    GATE 2021 Syllabus of Aerospace Engineering

    GATE 2021 Aerospace Engineering Syllabus

    Aerospace Engineering Syllabus consists of 6 sections. In each of the following subjects, the topics have been divided into two categories – Core Topics and Special Topics. The corresponding sections of the question paper will contain 90% of their questions on Core Topics and the remaining 10% on Special Topics.

    Section 1: Engineering Mathematics

    Engineering mathematics is a branch of applied mathematics concerning mathematical methods and techniques that are typically used in engineering and industry. It is one of the difficult sections of the paper. This section carries fifteen percentage weightage of the questions.

    Core TopicsSpecial Topics
    Linear AlgebraFourier Series, Laplace Transforms
    CalculusNumerical methods for linear and nonlinear algebraic equations
    Differential EquationsNumerical integration and differentiation.

    Section 2: Flight Mechanics

    Flight mechanics are relevant to fixed-wing (gliders, airplanes) and rotary wing (helicopters) aircraft. An Aeroplane (Airplane in US usage), is defined in ICAO Document 9110.  

    Core TopicsSpecial Topics
    BasicsDynamic stability, Euler angles, Equations of motion, Aerodynamic forces and moments
    Airplane performanceStability & control derivatives
    Static stabilityDecoupling of longitudinal and lateral-directional dynamics, longitudinal modes, lateral-directional modes.

    Section 3: Aerodynamics

    Aerodynamics is the study of the motion of air, particularly its interaction with a solid object, such as an airplane wing. Aerodynamics is a sub-field of fluid dynamics and gas dynamics, and many aspects of aerodynamics theory are common to these fields.

    Core TopicsSpecial Topics
    Basic Fluid Mechanics

    Elementary ideas of viscous flows including boundary layers

    Airfoils and wingsWind Tunnel Testing
    Compressible FlowsMeasurement and visualization techniques

    Section 4: Structures

    Structure is an arrangement and organization of interrelated elements in a material object or system, or the object or system so organized. Material structures include man-made objects such as buildings and machines and natural objects such as biological organisms, minerals, and chemicals. Abstract structures include data structures in computer science and musical form. 

    Core TopicsSpecial Topics
    Strength of Materials

    Vibration of beams

    Flight vehicle structuresTheory of elasticity
    Structural DynamicsEquilibrium and compatibility equations, Airy’s stress function.

    Section 5: Propulsion

    Propulsion is a means of creating force leading to movement. A propulsion system consists of a source of mechanical power, and a propulsor (means of converting this power into propulsive force).

    Core TopicsSpecial Topics

    No Special Topics in this Section

    Thermodynamics of aircraft engines
    Axial compressors:
    Axial turbines
    Centrifugal compressor
    Rocket propulsion:

    Section 6: Space Dynamics

    Core TopicsSpecial Topics
    Central force motion, determination of trajectory and orbital period in simple cases.

    Orbit transfer, in-plane and out-of-plane.

    Direct link to download GATE Aerospace Engineering (AE) syllabus PDF 

    Sample Questions of GATE 2021 Aerospace Engineering

    Sample Question 1: While flying at Mach 2.0, 11 km altitude and producing the same thrust, what is the correct order from the lowest thrust specific fuel consumption (tsfc) to the highest tsfc?

    Sample Question 2: A thin plate with Young’s modulus 210 GPa and Poisson’s ratio 0.3 is loaded as shown in the figure. The change in length along the y-direction is __________ mm (round off to 1 decimal place).

    Sample Question 3: For a symmetric airfoil at an angle of attack of 10 degrees, assuming thin airfoil theory, the magnitude of the pitching moment coefficient about the leading edge is__________ (round off to 2 decimal places).

    Check GATE Paper Analysis

    GATE 2021 Exam Pattern of Aerospace Engineering

    GATE 2021 Exam Pattern of Aerospace Engineering

    • Mode of Examination: Online
    • Duration of Exam: 3 hours
    • Types of Questions: MCQs and NAT
    • Sections: 3 sections – General Aptitude, Mathematics and Subject-based
    • Total Questions: 65 questions
    Section Distribution of MarksTotal MarksTypes of questions
    General Aptitude5 questions of 1 mark each
    5 questions of 2 marks each

    15 marks 


    Engineering Mathematics

    Subject Syllabus (AE)

    25 questions of 1 mark each
    30 questions of 2 marks each 
    85 marksMCQs and NATs

    Marking scheme:

    • Total Marks: 100 marks
    • Negative Marking: For MCQs only
    Type of questionNegative marking for wrong answer
    MCQs⅓ for 1 mark questions
    ⅔ for 2 marks questions
    NATsNo negative marking 

    Check Detailed GATE 2021 Exam Pattern 

    Section Wise Books for GATE Aerospace Engineering

    GATE 2021 Aerospace Engineering Section Wise Books

    One of the topmost tool to prepare for any of the exams are reference books. They offer mostly all the insights related to the subject one is about to start. Candidates can check the section-wise important book as given below:

    Engineering Mathematics Important Books

    Engineering Mathematics
    GATE Engineering Mathematics for All StreamsAbhinav Goel and Suraj Singh,
    Arihant Publication
    GATE Engineering MathematicsAbhinav Goel,
    Arihant Publications
    GATE 2020: Engineering MathematicsME Team,
    Made Easy Publications
    Higher Engineering MathematicsB.S.Grewal,
    Khanna Publishers

    Flight Mechanics Important Books

    Flight Mechanics Books
    Introduction to FlightJohn D Anderson,
    Tata McGraw - Hill Education
    Flight Mechanics Modeling and AnalysisJitendra R. Raol,
    Jatinder Singh, Crc Press
    Mechanics of FlightR. H. Barnard,
    Mechanics of FlightC. Kermode, R. H. Barnard,
    Pearson Higher Education

    Aerodynamics Important Books

    Aerodynamics Books
    Fundamentals of AerodynamicsJohn D Anderson,
    Tata McGraw - Hill Education
    Aerodynamics for Engineering StudentsE. L. Houghton,
    P. W. Carpenter, Butterworth Heinemann
    Fundamentals of AerodynamicsJohn D. Anderson,
    Tata McGraw - Hill Education(2010)
    Aerodynamics for EngineersJohn J. Bertin,

    Structure Important Books

    Structure Books
    Theory of StructuresRamamrutham, Dhanpat Rai Publishing Company
    Structural AnalysisS.S. Bhavikatti, Vikas Publishing House
    Matrix Methods of Structural AnalysisS.S. Bhavikatti, I K International Publishing House Pvt. Ltd
    Theory of Structures SMTSB.C. Punmia, Ashok Kumar Jain, Laxmi Publications

    Propulsion Important Books

    Propulsion Books
    Rocket Propulsion ElementsGeorge P. Sutton, Wiley India Pvt Ltd
    Aircraft PropulsionMayur R. Anvekar, Prentice-Hall of India Pvt.Ltd
    Marine Propellers and PropulsionCarlton
    Submarine Propulsion: Muscle Power to NuclearSekhar Basu, Kamlesh N Vyas, Frontier India

    Preparation Tips for GATE 2021 Aerospace Engineering

    Preparation Tips for GATE 2021 Aerospace Engineering

    1. Solving Practice Papers

    • Solve practice papers daily to get a better and clear idea of exam pattern, type of questions, difficulty level, etc.
    • Judge your weak areas.
    • Do not panic if you are not able to solve the questions. 

    Download GATE Practice Papers

    2. Try to Complete whole Syllabus

    • Do not leave any topic for the end. Try to complete your syllabus 1-2 weeks before the exam.
    • After completion of your syllabus, you must start with your revisions. 
    • Go through your syllabus again and again so that you won’t miss any topic.

    3. Regular Practice

    • Daily practice of questions will help you in aging speed.
    • Candidates have to keep one more thing in mind that with speed you have to improve the level of accuracy also. 
    • Try to solve more and more mock tests. 

    Read  Preparation Tips from GATE Topper

    GATE 2021 Syllabus Of Other Papers

    GATE 2021 Syllabus Of Other Papers

    Computer ScienceCSMechanical EngineeringME
    Agricultural EngineeringAGMetallurgical EngineeringMT
    Civil EngineeringCEMining EngineeringMN
    Chemical EngineeringCHPetroleum EngineeringPE
    Engineering SciencesXEProduction and Industrial EngineeringPI
    Electronics and CommunicationECTextile Engineering and Fibre ScienceTF
    Electrical EngineeringEEBiotechnologyBT

    With the help of links provided in the table, candidates can go through the syllabus of their respective subjects. With the help of the syllabus you can plan a better preparation plan for the exam.

    Frequently asked Questions

    Frequently asked Questions

    Ques: What will be the marking scheme of GATE 2021 Aerospace engineering paper?

    Ans: Yes, there will be negative marking in the examination. Negative marking depends on the type and marks of questions. For NAT questions there will be no negative marking but for 1 or 2 marks ½ and 2/3 marks will be deducted respectively for wrong answers. 

    Type of questionNegative marking for the wrong answer

    1/3 for 1 mark questions

    2/3 for 2 marks questions

    NATsNo negative marking 

    Ques: What will be the section-wise weightage of topics in GATE 2021 Aerospace engineering paper?

    Ans: The section-wise weightage in GATE 2021 Aerospace engineering paper:

    • The maximum weightage will be given to the core subject i.e. 85%
    • 15% weightage will be given to general aptitude which is a common section for all 25 papers.
    GATE CS Sectional Weightage
    Engineering Mathematics15%
    General Aptitude15%
    Remaining Topics of CS70%

    Ques: What are the important topics from GATE Aerospace engineering syllabus that will help in scoring good marks?

    Ans: Some of the important topics are:

    • Dynamic stability, Euler angles, Equations of motion, Aerodynamic forces and moments
    • Equilibrium and compatibility equations, Airy’s stress function.
    • Decoupling of longitudinal and lateral-directional dynamics, longitudinal modes, lateral-directional modes.

    Ques: Which are the best books for GATE 2021 Aerospace engineering preparation:

    Ans: Some of the best books are:

    • Rocket Propulsion Elements – By George P. Sutton, Wiley India Pvt Ltd
    • Fundamentals of Aerodynamics – By John D Anderson
    • Introduction to Flight – By John D Anderson

    *The article might have information for the previous academic years, which will be updated soon subject to the notification issued by the University/College


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