📘 Q.4 IAS Prelims 2024 — Science & Technology (Fifth-Generation Fighter Aircraft)

🧷 Authentic Classroom Explanation by IAS Monk


📌 The Question:

Consider the following aircraft:

  1. Rafael
  2. MiG-29
  3. Tejas Mk-1

How many of the above are considered fifth-generation fighter aircraft?

(a) Only one
(b) Only two
(c) All three
(d) None


Answer: (d) None


🧑‍🏫 Classroom Explanation:

Fifth-generation fighter aircraft are defined by a combination of advanced features, not by speed or weaponry alone.

🔹 Core characteristics of 5th-gen fighters include:

  • Stealth shaping and materials (low radar cross-section)
  • Internal weapon bays
  • Sensor fusion
  • Advanced avionics and network-centric warfare
  • Supercruise capability (sustained supersonic flight without afterburner)

Now evaluate each aircraft:

🔸 1. Rafale ❌

  • Classified as 4.5-generation
  • Highly advanced avionics and electronic warfare
  • Lacks full stealth and internal weapons bays

🔸 2. MiG-29 ❌

  • A 4th-generation Soviet-era fighter
  • Designed primarily for air superiority
  • No stealth, no sensor fusion

🔸 3. Tejas Mk-1 ❌

  • Classified as 4 / 4+ generation
  • Indigenous, modern, fly-by-wire aircraft
  • Does not meet fifth-generation stealth requirements

✔️ Hence, none of the listed aircraft qualify as fifth-generation fighters.


🔍 Curiosity Raiser:

✈️ Why is stealth more important than speed in modern air combat?
👉 Because the fighter you can’t see often wins before the fight begins.


📚 Enrichment Notes (UPSC Edge):

  • True 5th-generation fighters include:
    • F-22 Raptor (USA)
    • F-35 Lightning II (USA)
    • J-20 Mighty Dragon (China)
    • Su-57 (Russia)
  • India’s AMCA (Advanced Medium Combat Aircraft) is a 5th-gen project under development
  • “4.5 generation” is an informal but widely used classification

🧘 IAS Monk Whisper:

🛩️ Technology is not about labels — it is about invisible advantages.
In the sky, invisibility is power.

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