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{|{{Infobox aircraft begin
{|{{Infobox aircraft begin
|name= Tharala
|name= Ugrateja
|image=File:HAL Dhruv and Rudra in Rudra formation.jpg|300px
|image=File:HAL LCH at Aero india 2013.JPG|300px
|caption=  
|caption=  
}}{{Infobox aircraft type
}}{{Infobox aircraft type
|type= {{wpl|Utility helicopter}}
|type= {{wpl|Attack helicopter}}
|manufacturer=  
|manufacturer=  
|designer= [[Ankati Aeronautics Corporation]]
|designer= [[Ankati Aeronautics Corporation]]
|first flight= 5 January 2001
|first flight= 5 January 2015
|introduced= 2003
|introduced= 20217
|produced=  
|produced=  
|retired=  
|retired=  
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|status= In service
|status= In service
|unit cost=  
|unit cost=  
|developed from=
|developed from=[[AAC Tharala]]
|variants with their own articles=[[AAC Rakshaka]]<br>[[AAC Ugrateja]]<br>[[AAC Laghuja]]
|variants with their own articles=
}}
}}
|}
|}


The '''AAC Tharala''', also known as "Steadfast," is a multi-role helicopter developed by the [[Ankati Aeronautics Corporation]] (AAC) to meet both military and civilian requirements. Its development commenced in the early 1980s, aiming to create an indigenous platform that would reduce dependence on foreign imports and cater to the diverse operational needs of Ankat. The Tharala's maiden flight occurred in 2001, and it was officially introduced into service in 2003. Since then, it has become a pivotal asset for the [[Ankat Armed Forces]] and various civilian operators.
The '''AAC Ugrateja''' ("Fierce Light") is a lightweight attack helicopter developed by the [[Ankati Aeronautics Corporation]] (AAC) to fulfill the [[Ankat]] Military's requirement for a highly maneuverable and versatile combat platform. Designed as a derivative of the Tharala multi-role helicopter, the Ugrateja emphasizes speed, agility, and precision in combat scenarios. Since its induction in 2021, the Ugrateja has served as a critical asset for rapid deployment forces, providing close air support (CAS), anti-armor capabilities, and reconnaissance.
 
The Tharala was conceived to perform a wide range of missions, including troop transport, search and rescue (SAR), medical evacuation (MEDEVAC), and disaster relief operations. Its design emphasizes versatility, enabling it to operate effectively in diverse environments such as high-altitude regions, dense forests, and coastal areas. The helicopter's adaptability has been a significant factor in its widespread adoption across multiple sectors.
 
A key aspect of the Tharala's design is its twin-engine configuration, which enhances safety and performance. The engines are equipped with Full Authority Digital Engine Control (FADEC) systems, ensuring optimal efficiency and reliability. Additionally, the helicopter features advanced avionics, including a glass cockpit with multi-function displays, an integrated navigation system, and a digital autopilot, all of which contribute to reduced pilot workload and improved mission effectiveness.


The Tharala's airframe is constructed using modernised methods, providing a balance between strength and weight reduction. This construction enhances the helicopter's durability and resistance to corrosion, particularly important for operations in humid or saline environments. The landing gear is designed to be retractable, reducing aerodynamic drag and improving overall performance. However landing skids are still available and are extensively seen in army usage.
The Ugrateja was conceived to operate in dynamic and contested environments where quick response times and high maneuverability are crucial. It retains the modularity and durability of its predecessor, the Tharala, while incorporating advanced avionics, lightweight materials, and a reduced profile to enhance its performance in combat. Its compact design allows it to be deployed in areas with limited infrastructure, including forward operating bases and urban environments.


The Tharala has been developed into several variants to meet specific operational needs. The Rakshaka ("Guardian") is an armed version equipped with advanced weaponry for attack missions. The Ugrateja ("Fierce Light") is a lightweight attack helicopter derived from the Tharala, focusing on agility and speed. The Laghuja ("Swift Wings") serves as a light utility helicopter for naval usage. These variants showcase the platform's flexibility and the Ankati commitment to self-reliance in defense technology.
The helicopter's emphasis on speed and precision makes it an ideal choice for missions requiring rapid ingress and egress. Its ability to perform nap-of-the-earth (NOE) flight and its low acoustic signature enhance its survivability in contested zones. Furthermore, the Ugrateja's cost-effectiveness and ease of maintenance make it an attractive option for both domestic and international operators.




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'''Engines'''
'''Engines'''
[[File:HAL Dhruv onboard INS Vikrant (R11) during sea trials.jpg|200px|thumbnail|right|Tharala with retractable gear in service with the Ankati Navy]]
The Tharala is powered by two high-performance turboshaft engines developed indigenously by AAC. These engines utilize Full Authority Digital Engine Control (FADEC), ensuring optimal efficiency, reliability, and fuel economy. The engines are specifically designed to perform under diverse conditions, from high-altitude mountain ranges to tropical heat. Advanced cooling and lubrication systems protect the engines from wear during extended operations, enhancing their operational lifespan.


The engines provide a high power-to-weight ratio, ensuring excellent lift capabilities even when carrying heavy payloads. This capability allows the Tharala to transport troops, equipment, and supplies effectively in both military and civilian configurations. The dual-engine setup also offers redundancy, ensuring safety during engine failures, which is particularly critical during combat or rescue operations.
The Ugrateja is powered by twin lightweight turboshaft engines, optimized for speed and agility. These engines provide a higher thrust-to-weight ratio compared to standard configurations, enabling rapid acceleration and high-speed maneuvers. Full Authority Digital Engine Control (FADEC) systems ensure precise management of engine performance, particularly during complex flight profiles such as low-altitude sprints and tight turns.


In addition to their efficiency, the engines are environmentally friendly, with reduced emissions compared to older models. This reflects Ankat’s commitment to sustainability in aerospace design. Their modular construction facilitates easier maintenance and replacement, reducing operational downtimes for the helicopter.
The engines feature advanced filtration and cooling systems, enabling reliable operation in extreme environments such as deserts and high-altitude regions. Additionally, noise suppression technology reduces the helicopter’s acoustic signature, enhancing its stealth capabilities and survivability during covert operations. The Ugrateja’s engines are also designed for quick maintenance and field repairs, ensuring high availability during sustained operations.


'''Avionics'''
'''Avionics'''


The Tharala’s avionics suite incorporates the latest technological advancements to enhance operational capabilities and pilot situational awareness. The glass cockpit features multi-function displays that provide real-time data on flight performance, navigation, and mission parameters. Integrated digital maps and terrain-following radar ensure safe operations in challenging environments.
The avionics suite of the Ugrateja integrates advanced targeting and navigation systems to support its combat role. Helmet-mounted sights and displays (HMSD) allow pilots to acquire and engage targets simply by looking at them, enhancing situational awareness and reducing reaction times. These systems are linked to a laser rangefinder and target designator for precision strikes.
 
A digital autopilot system significantly reduces pilot workload by automating routine tasks and providing stability during long missions. Night-vision compatibility, coupled with forward-looking infrared (FLIR) systems, enables the Tharala to perform night operations with ease, expanding its operational window.


The avionics also include a comprehensive self-defense suite. Radar warning receivers alert the crew to potential threats, while infrared countermeasures deploy automatically to evade heat-seeking missiles. These systems provide the Tharala with a high degree of survivability in hostile environments.
The Ugrateja’s integrated digital map and terrain-following radar enable safe and effective operations in challenging environments, including mountainous terrain and dense urban areas. Night-vision-compatible systems and forward-looking infrared (FLIR) cameras extend the helicopter’s operational capabilities to low-light and adverse weather conditions.


'''Airframe'''
Electronic warfare (EW) systems form a critical part of the Ugrateja’s survivability package. Radar and laser warning receivers alert the crew to potential threats, while jammers and countermeasure dispensers protect against enemy targeting systems. These features ensure the Ugrateja’s ability to operate effectively in heavily contested environments.


The airframe of the Tharala is built using advanced composite materials that reduce weight without compromising structural integrity. This lightweight construction improves fuel efficiency and payload capacity while enhancing the helicopter's resistance to environmental stressors like corrosion and extreme temperatures. The fuselage design includes modular panels for quick access during maintenance, further streamlining operational efficiency.
'''Armament'''


The helicopter’s low-drag design enhances aerodynamics, improving speed and range. Reinforced structures around critical areas, such as the cockpit and engine bays, provide additional protection during hostile engagements or emergency landings. The airframe is also designed to withstand significant loads, ensuring durability in high-demand operational scenarios.
The Ugrateja’s primary armament includes a chin-mounted 20mm autocannon capable of engaging both ground and aerial targets with high accuracy. Additional weapons are mounted on four hardpoints, allowing for a flexible mix of unguided rockets, guided missiles, and machine gun pods. This modular approach enables operators to tailor the helicopter’s loadout to specific mission requirements.


'''Rotor System'''
The helicopter’s guided missile options include laser-guided anti-tank munitions designed to neutralize armored threats. Rocket pods provide a cost-effective solution for area suppression and soft target engagement. Advanced targeting systems ensure precise delivery of munitions, minimizing collateral damage and maximizing combat effectiveness.


The rotor system of the Tharala is a critical component of its performance and maneuverability. The fully articulated main rotor features advanced composite blades that reduce weight and vibration while increasing durability. These blades are designed to perform reliably in high-stress conditions, such as turbulent winds or high-altitude flights.
'''Airframe and Maneuverability'''


The tail rotor is similarly robust, providing stability and control during low-speed maneuvers and hovering. An anti-resonance isolation system minimizes vibrations, ensuring crew comfort and extending the lifespan of onboard systems. The rotor hub is engineered for ease of maintenance, with modular components that can be replaced quickly in the field.
The Ugrateja’s airframe is constructed from advanced composite materials, reducing weight while maintaining structural integrity. This lightweight design enhances agility, enabling the helicopter to execute rapid turns, sudden climbs, and descents. The streamlined fuselage minimizes drag, contributing to its high speed and low fuel consumption.


'''Landing Gear'''
The helicopter’s fully articulated rotor system is optimized for maneuverability, allowing for precise control during NOE flight and complex combat maneuvers. Anti-resonance isolation systems reduce vibration, enhancing crew comfort and extending the lifespan of onboard systems. The Ugrateja’s compact size also facilitates deployment in confined spaces, such as urban areas and forward operating bases.


The Tharala features retractable tricycle landing gear that is both durable and versatile. Designed to handle a variety of terrains, including unprepared surfaces, the landing gear ensures stability during takeoff and landing. Its retractable nature reduces aerodynamic drag during flight, enhancing overall performance.
'''Survivability'''


Shock-absorbing components within the gear minimize impact forces during rough landings, protecting both the airframe and the crew. The landing gear’s modular design allows for quick repairs and replacements, maintaining the Tharala’s high availability rate during operations.
Designed for contested environments, the Ugrateja incorporates a range of survivability features. Reinforced armor protects critical components, including the cockpit and engine compartments, from small arms fire and shrapnel. Self-sealing fuel tanks reduce the risk of fire in the event of damage.


== Variants ==
The helicopter’s self-defense suite includes infrared countermeasures and chaff dispensers to disrupt heat-seeking and radar-guided threats. Low observability features, including reduced radar and acoustic signatures, enhance the Ugrateja’s stealth capabilities. Combined with its speed and agility, these features make the Ugrateja a highly survivable platform in modern combat scenarios.
[[File:Hindustan Dhruv at the 2007 Aero India show at Yelahanka Air Force Station, Bangalore, India (VT-HAR, 14011801213).jpg|200px|thumbnail|right|Civilian Tharala with retractable gear]]
; Mark 1
: Initial configuration of the Tharala


; Mark 2
'''Interior Configuration'''
: Features glass cockpit infrastructure


; Mark 3
The Ugrateja’s interior is designed primarily for combat operations, with a focus on maximizing efficiency and reducing pilot workload. The cockpit layout features intuitive controls and advanced ergonomics, allowing pilots to operate effectively during high-stress missions. Modular seating options enable limited personnel transport or the integration of specialized equipment for reconnaissance and electronic warfare roles.
: Improved engine installation, new electronic warfare suite and defensive systems


; [[AAC Rakshaka]] ''(Guardian)''
== Variants ==
:This armed variant of the Tharala serves as an attack helicopter. It includes advanced weaponry, reinforced armor, and additional survivability features.
[[File:FPHScX4VQAAqI75.jpg|200px|thumbnail|right|Ugrateja's in formation]]
 
; [[AAC Ugrateja]] ''(Fierce Light)''
:A lightweight attack helicopter emphasizing agility and speed, designed for rapid deployment in hostile environments.
 
; [[AAC Laghuja]] ''(Swift Wings)''
:A light utility helicopter designed for service with the [[Ankat People's Navy]]. Features a single engine and a compactable design for stowage aboard ships.


=== Civilian variants ===
; Rakshaka Attack
: Baseline combat variant equipped with mounting locations for a chin-mounted cannon and two weapon arms on either side of the aircraft for a variety of ordnance such as rocket pods and guided missiles.


; Tharala C1
; Rakshaka Export
: Civil variant with TRK-225 engines. Seats 12 with landing skids or retractable gear as a customisation option.
: Export variant customized for international clients, offering tailored avionics and weapon configurations to meet specific requirements


; Rakshaka EW
: Dedicated electronic-warfare and battlefield suppression variant. Has electronic warfare, countermeasures, sensors and targetting systems. Designed to suppress enemy air defenses on the battlefield or perform scouting operations to then guide in munitions launched from a safe distance, such as semi-ballistic missiles.
{{clear}}
== Operators and service history ==
== Operators and service history ==


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== Specifications ==
== Specifications ==
[[File:TharalaHelo Schematics.png|400px|thumbnail|right|Diagram view of the Tharala]]
[[File:UgratejaHelo Schematics.png|400px|thumbnail|right|Diagram view of the Ugrateja]]
* '''Crew:''' Two pilots
* '''Crew:''' Two pilots
* '''Capacity:''' 12 armed troops or 14 passengers
* '''Length:'''  {{cvt|15.82|m|0}}
* '''Length:'''  {{cvt|15.87|m|0}}
* '''Wing span:''' {{cvt|4.60|m|0}}  
* '''Wing span:''' {{cvt|3.15|m|0}}  
* '''Height:''' {{cvt|4.75|m|0}}  
* '''Height:''' {{cvt|4.98|m|0}}  
*'''Powerplant:''' 2x DEO-448 1,032 kW each
*'''Powerplant:''' 2x DK-44E Turboshaft, 1068kW each


=== Performance ===
=== Performance ===
* '''Maximum Speed:''' {{cvt|157|knots|0}}
* '''Maximum Speed:''' {{cvt|178|knots|0}}
* '''Cruising Speed:''' {{cvt|135|knots|0}}
* '''Cruising Speed:''' {{cvt|155|knots|0}}
* '''Range:''' {{cvt|340|nmi|0}}  
* '''Range:''' {{cvt|378|nmi|0}}  
* '''Service Ceiling:''' {{cvt|6100|m|0}}
* '''Service Ceiling:''' {{cvt|6500|m|0}}


=== Weapons ===
=== Weapons ===
* '''On-board weapons''': Crew-served door-mounted machine-guns
* '''Chin-mounted weapon'''
:* 1 x 20mm autocannon on gimbal turret
* '''Weapons pylons''' (one per side of aircraft)
:* 2 x pylons per side for unguided or guided munitions
<!-- [[Category:Ankat Equipment]] -->
<!-- [[Category:Ankat Armed Forces]] -->

Latest revision as of 15:01, 5 January 2025

Ugrateja
HAL LCH at Aero india 2013.JPG
Role Attack helicopter
Designer Ankati Aeronautics Corporation
First flight 5 January 2015
Introduction 20217
Status In service
Primary user Ankat People's Army
Ankat People's Navy
Ankat People's Air Force
See Operators
Developed from AAC Tharala

The AAC Ugrateja ("Fierce Light") is a lightweight attack helicopter developed by the Ankati Aeronautics Corporation (AAC) to fulfill the Ankat Military's requirement for a highly maneuverable and versatile combat platform. Designed as a derivative of the Tharala multi-role helicopter, the Ugrateja emphasizes speed, agility, and precision in combat scenarios. Since its induction in 2021, the Ugrateja has served as a critical asset for rapid deployment forces, providing close air support (CAS), anti-armor capabilities, and reconnaissance.

The Ugrateja was conceived to operate in dynamic and contested environments where quick response times and high maneuverability are crucial. It retains the modularity and durability of its predecessor, the Tharala, while incorporating advanced avionics, lightweight materials, and a reduced profile to enhance its performance in combat. Its compact design allows it to be deployed in areas with limited infrastructure, including forward operating bases and urban environments.

The helicopter's emphasis on speed and precision makes it an ideal choice for missions requiring rapid ingress and egress. Its ability to perform nap-of-the-earth (NOE) flight and its low acoustic signature enhance its survivability in contested zones. Furthermore, the Ugrateja's cost-effectiveness and ease of maintenance make it an attractive option for both domestic and international operators.


Design and development

Engines

The Ugrateja is powered by twin lightweight turboshaft engines, optimized for speed and agility. These engines provide a higher thrust-to-weight ratio compared to standard configurations, enabling rapid acceleration and high-speed maneuvers. Full Authority Digital Engine Control (FADEC) systems ensure precise management of engine performance, particularly during complex flight profiles such as low-altitude sprints and tight turns.

The engines feature advanced filtration and cooling systems, enabling reliable operation in extreme environments such as deserts and high-altitude regions. Additionally, noise suppression technology reduces the helicopter’s acoustic signature, enhancing its stealth capabilities and survivability during covert operations. The Ugrateja’s engines are also designed for quick maintenance and field repairs, ensuring high availability during sustained operations.

Avionics

The avionics suite of the Ugrateja integrates advanced targeting and navigation systems to support its combat role. Helmet-mounted sights and displays (HMSD) allow pilots to acquire and engage targets simply by looking at them, enhancing situational awareness and reducing reaction times. These systems are linked to a laser rangefinder and target designator for precision strikes.

The Ugrateja’s integrated digital map and terrain-following radar enable safe and effective operations in challenging environments, including mountainous terrain and dense urban areas. Night-vision-compatible systems and forward-looking infrared (FLIR) cameras extend the helicopter’s operational capabilities to low-light and adverse weather conditions.

Electronic warfare (EW) systems form a critical part of the Ugrateja’s survivability package. Radar and laser warning receivers alert the crew to potential threats, while jammers and countermeasure dispensers protect against enemy targeting systems. These features ensure the Ugrateja’s ability to operate effectively in heavily contested environments.

Armament

The Ugrateja’s primary armament includes a chin-mounted 20mm autocannon capable of engaging both ground and aerial targets with high accuracy. Additional weapons are mounted on four hardpoints, allowing for a flexible mix of unguided rockets, guided missiles, and machine gun pods. This modular approach enables operators to tailor the helicopter’s loadout to specific mission requirements.

The helicopter’s guided missile options include laser-guided anti-tank munitions designed to neutralize armored threats. Rocket pods provide a cost-effective solution for area suppression and soft target engagement. Advanced targeting systems ensure precise delivery of munitions, minimizing collateral damage and maximizing combat effectiveness.

Airframe and Maneuverability

The Ugrateja’s airframe is constructed from advanced composite materials, reducing weight while maintaining structural integrity. This lightweight design enhances agility, enabling the helicopter to execute rapid turns, sudden climbs, and descents. The streamlined fuselage minimizes drag, contributing to its high speed and low fuel consumption.

The helicopter’s fully articulated rotor system is optimized for maneuverability, allowing for precise control during NOE flight and complex combat maneuvers. Anti-resonance isolation systems reduce vibration, enhancing crew comfort and extending the lifespan of onboard systems. The Ugrateja’s compact size also facilitates deployment in confined spaces, such as urban areas and forward operating bases.

Survivability

Designed for contested environments, the Ugrateja incorporates a range of survivability features. Reinforced armor protects critical components, including the cockpit and engine compartments, from small arms fire and shrapnel. Self-sealing fuel tanks reduce the risk of fire in the event of damage.

The helicopter’s self-defense suite includes infrared countermeasures and chaff dispensers to disrupt heat-seeking and radar-guided threats. Low observability features, including reduced radar and acoustic signatures, enhance the Ugrateja’s stealth capabilities. Combined with its speed and agility, these features make the Ugrateja a highly survivable platform in modern combat scenarios.

Interior Configuration

The Ugrateja’s interior is designed primarily for combat operations, with a focus on maximizing efficiency and reducing pilot workload. The cockpit layout features intuitive controls and advanced ergonomics, allowing pilots to operate effectively during high-stress missions. Modular seating options enable limited personnel transport or the integration of specialized equipment for reconnaissance and electronic warfare roles.

Variants

Ugrateja's in formation
Rakshaka Attack
Baseline combat variant equipped with mounting locations for a chin-mounted cannon and two weapon arms on either side of the aircraft for a variety of ordnance such as rocket pods and guided missiles.
Rakshaka Export
Export variant customized for international clients, offering tailored avionics and weapon configurations to meet specific requirements
Rakshaka EW
Dedicated electronic-warfare and battlefield suppression variant. Has electronic warfare, countermeasures, sensors and targetting systems. Designed to suppress enemy air defenses on the battlefield or perform scouting operations to then guide in munitions launched from a safe distance, such as semi-ballistic missiles.

Operators and service history


Specifications

Diagram view of the Ugrateja
  • Crew: Two pilots
  • Length: 15.82 m (52 ft)
  • Wing span: 4.60 m (15 ft)
  • Height: 4.75 m (16 ft)
  • Powerplant: 2x DEO-448 1,032 kW each

Performance

  • Maximum Speed: 178 kn (330 km/h; 205 mph)
  • Cruising Speed: 155 kn (287 km/h; 178 mph)
  • Range: 378 nmi (700 km; 435 mi)
  • Service Ceiling: 6,500 m (21,325 ft)

Weapons

  • Chin-mounted weapon
  • 1 x 20mm autocannon on gimbal turret
  • Weapons pylons (one per side of aircraft)
  • 2 x pylons per side for unguided or guided munitions