H-21 Ellyll: Difference between revisions

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{|{{Infobox aircraft begin
{|{{Infobox aircraft begin
  |name = H-21 Ellyll
  |name = H-21 Ellyll
  |image = File:Royal_Navy_Melin_Mk_2_Helicopters_on_HMS_Illustrious_MOD_45157435.jpg
  |image = File:845 Commando Helicopter Force Merlin MOD 45167373.jpg
  |alt =  
  |alt =  
}}{{Infobox aircraft type
}}{{Infobox aircraft type
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| designer =  
| designer =  
| first flight = April 1987
| first flight = April 1987
| introduced = November 1999
| introduced = November 1995
| retired =  
| retired =  
| status = In service
| status = In service
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The '''H-21 Ellyll''' (English: ''elf'') medium-lift {{wp|Helicopter|helicopter}} in military and civil use manufactured by the Ossorian aerospace defense company [[Tionscail Ríoga Aeraspáis|Tionscail Ríoga Aeraspáis (TRA)]]. First flown in 1987, it was developed in response to national requirements for a modern naval utility helicopter. The Ellyll entered into service with the [[Royal Ossorian Navy]] in 1999 and has since replaced several older helicopter types in use across the [[Ossorian Armed Forces]], performing roles such as medium-sized transport, anti-submarine warfare, search and rescue, and utility operations.
The '''H-21 Ellyll''' (English: ''elf'') medium-lift {{wp|Helicopter|helicopter}} in military and civil use manufactured by the Ossorian aerospace defense company [[Tionscail Ríoga Aeraspáis|Tionscail Ríoga Aeraspáis (TRA)]]. First flown in 1987, it was developed in response to national requirements for a modern naval utility helicopter. The Ellyll entered into service with the [[Royal Ossorian Navy]] in 1995 and has since replaced several older helicopter types in use across the [[Ossorian Armed Forces]], performing roles such as medium-sized transport, anti-submarine warfare, search and rescue, and general utility operations.
==Design and development ==
==Design and development ==
==Operational service ==
==Operational service ==
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* {{flagicon|Ossoria}} '''[[Royal Ossorian Army]]'''
* {{flagicon|Ossoria}} '''[[Royal Ossorian Army]]'''
* {{flagicon|Ossoria}} '''[[Royal Ossorian Air Force]]'''
* {{flagicon|Ossoria}} '''[[Royal Ossorian Air Force]]'''
* {{flagicon|Ossoria}} '''[[Royal Ossorian Marine Corps]]'''
* {{flagicon|Ossoria}} '''[[Royal Ossorian Coast Guard]]'''
* {{flagicon|Ossoria}} '''[[Royal Ossorian Defense Force]]'''
* {{flagicon|Ossoria}} '''[[Royal Ossorian Defense Force]]'''
* {{flagicon|Ossoria}} '''[[Ossorian Home Guard]]'''
* {{flagicon|Ossoria}} '''[[Ossorian Home Guard]]'''

Latest revision as of 13:05, 8 August 2023

H-21 Ellyll
845 Commando Helicopter Force Merlin MOD 45167373.jpg
Role Anti-submarine warfare, medium-lift transport, search and rescue, and utility helicopter
National origin  Ossoria
Manufacturer Tionscail Ríoga Aeraspáis
First flight April 1987
Introduction November 1995
Status In service
Produced 1990s–present

The H-21 Ellyll (English: elf) medium-lift helicopter in military and civil use manufactured by the Ossorian aerospace defense company Tionscail Ríoga Aeraspáis (TRA). First flown in 1987, it was developed in response to national requirements for a modern naval utility helicopter. The Ellyll entered into service with the Royal Ossorian Navy in 1995 and has since replaced several older helicopter types in use across the Ossorian Armed Forces, performing roles such as medium-sized transport, anti-submarine warfare, search and rescue, and general utility operations.

Design and development

Operational service

Variants

  • H-21B: general utility variant that entered service in 1999
  • MH-21: Royal Army/Royal Marine assault variant outfitted to maximize troops, equipment and supply loads
  • TH-21: Search and rescue variant outfitted with stretcher carriers and a winch aft of the rear ramp
  • FH-21: Anti-submarine warfare variant outfitted with FLIR cameras, a dipping sonar array, a sonobuoy deployment system, and hardpoints for mounting air-dropped torpedoes
  • RH-21: Royal Guard variant outfitted for VIP transport

Operators

Ossoria

Specifications (H-21B)

General characteristics

  • Crew: 3 (pilot, copilot and flight engineer)
  • Capacity:
    • 26 seated troops or 45 standing troops
    • 16 stretchers with medical team
    • 3,000 kg of internal cargo or 5,500 kg of external cargo
  • Length: 19.5 m (64 ft 0 in)
  • Wingspan: 13.9 m (45 ft 7 in)
  • Width: 18.6 m (61 ft 0 in) including rotors
  • Width folded: 4.6 m (15 ft)
  • Height: 6.6 m (21 ft 8 in)
  • Empty weight: 10,500 kg (23,149 lb)
  • Fuel capacity: 7630 kg
  • Powerplant: 3 × ISA225 turboshaft, 1,570 kW (2,110 hp) each
  • Main rotor diameter: 18.6 m (61 ft 0 in)
  • Main rotor area: 271.5 m2 (2,922 sq ft) 5-bladed

Performance

  • Maximum speed: 310 km/h (193 mph; 167 kn) +
  • Range: 833 km (518 mi; 450 nmi)
  • Service ceiling: 4,500 m (14,800 ft)
  • Wing loading: 102 kg/m2 (21 lb/sq ft)

Armament

  • Guns:
    • 2 × 7.92 mm wing-mounted remote-controlled miniguns
    • 5 × mounting points for 7.92 mm general-purpose machine guns in the fuselage (1 × rear ramp, 4 × side doors/windows)
  • Rockets:
    • 4 × wing-mounted rocket pods
  • Missiles:
    • 4 × wing-mounted anti-surface missiles
  • Bombs:
    • 4 × wing-mounted homing torpedoes or depth charges

Avionics

  • Dual-redundant digital automatic flight control system
  • Multifunction radar
  • FLIR
  • Electronic countermeasures
  • Active/passive sonobuoys
  • Dipping sonar array
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