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Making the perfect choice for engines and propulsion systems is essential for gaining a tactical advantage over enemy aircraft in combat scenarios.

Military aircraft are normally subject to high aerodynamic and thermal stresses that can lead to frequent engine failures requiring regular overhauls. High-performance engines and propulsion systems are considered pivotal for demanding operations on the battlefield and other challenging environments.

Comprehensive maintenance and life cycle management schedule of the propulsion system are equally important as they are critical to ensure the mission readiness of the aircraft.

Finding suppliers of military aircraft engines and propulsion systems

Airforce Technology has listed the leading suppliers of aircraft engines and aircraft propulsion systems and equipment, including power transmission systems, engine control units, and cooling and filtration equipment, based on its intel, insights and decades-long experience in the sector.

The list also includes providers of life cycle management services, engine health monitoring and data analysis services, and maintenance, repair and overhaul services.

The information contained within the download document is designed for aerospace engineers, procurement officers, maintenance engineers and specialists, lifecycle management officers and aircraft system engineers.

The download contains detailed information on the suppliers and their product lines, alongside contact details to aid your purchasing decision.

Related Buyer’s Guides which cover an extensive range of airforce equipment, manufacturers and technology, can also be found here.

Engines and propulsion systems used in military aircraft

Engines used in military aircraft offer high thrust that enables sudden climb and helps in performing evasive manoeuvres. They are also designed to prevent surge and stall of the aircraft caused by back pressure generated from firing rockets and missiles.

Military aircraft engines also need to have a high power-to-weight ratio to provide the required speed for defence missions. Some of the types of engines used in military aircraft are:

  • Turbojet
  • Turbofan
  • Turboprop
  • Turboshaft
  • Adaptive Turbofan, and
  • Ramjet

Trends in aircraft engines and aircraft propulsion systems

The development and production of aircraft engines are moving towards design, materials and equipment that help in reducing fuel consumption and maintenance costs, apart from being lightweight, eco-friendly and sustainable.

Carbon fibre, reinforced plastic, and other composite materials are being used to reduce weight and thereby reduce fuel consumption. In addition, 3D-printed parts are being introduced in the production of aircraft engines to reduce material costs.

Ultra-efficient propulsion systems that are compatible with sustainable fuel or hydrogen are also being developed to make aircraft more sustainable.

For full details (including contact details) on the leading companies within this space, download the free Buyer’s Guide below:

Frequently asked questions

  • What types of propulsion systems are used in military aircraft?

    Military aircraft use a variety of propulsion systems including turbojets, turbofans, turboprops, turboshafts, adaptive turbofans, and ramjets. These systems provide the necessary thrust, speed, and maneuverability for combat and defense missions. They are designed to deliver high performance, especially during evasive maneuvers, while offering efficient fuel consumption and durability under extreme conditions.

  • How do adaptive turbofan engines improve aircraft efficiency?

    Adaptive turbofan engines enhance efficiency by adjusting their bypass ratios during different phases of flight. This allows for greater fuel efficiency during cruise, while providing high thrust during combat or takeoff, offering flexibility between performance and fuel economy.

  • What are the latest trends in aircraft engine technology?

    Current trends focus on developing lightweight engines using composite materials like carbon fiber, reducing fuel consumption, and incorporating sustainable aviation fuels. Innovations such as 3D-printed parts are being used to streamline manufacturing processes, while research into ultra-efficient propulsion systems and hydrogen-compatible engines is ongoing to enhance environmental sustainability.

  • How does engine health monitoring support military aircraft operations?

    Engine health monitoring systems use sensors to continuously track engine performance, identifying potential issues like overheating or mechanical wear. This real-time data enables predictive maintenance, helping to avoid engine failures during critical missions and reducing downtime for repairs.

  • Why is life cycle management critical for aircraft engines?

    Life cycle management ensures that aircraft engines are maintained, repaired, and overhauled (MRO) efficiently, extending their operational lifespan. Regular inspections, upgrades, and repairs help maintain engine performance, ensuring that military aircraft remain mission-ready while minimizing long-term costs.