H-17 Síofra

H-17 Síofra
Role	Utility helicopter
National origin	Ossoria
Manufacturer	Tionscail Ríoga Aeraspáis
First flight	April 1967
Introduction	November 1973
Status	In service
Produced	1973–present

The H-17 Síofra (English: sprite) is a light helicopter in military and civil use manufactured by the Ossorian aerospace defense company Tionscail Ríoga Aeraspáis (TRA). First flown in 1967, it was developed in response to a requirement for a new light scouting helicopter by the Royal Ossorian Army. The Síofra entered into service with the Royal Army in 1973 and has since become the standard light helicopter platform across the Ossorian Armed Forces, performing roles including light transport, scouting, fire direction, training, and light attack profiles.

Variants

• H-17B: initial production model that entered Army service in 1973
• H-17L: upgraded base model variant developed in 1990
• H-17F: upgraded base model variant developed in 2014

Operators

• Royal Ossorian Navy
• Royal Ossorian Army
• Royal Ossorian Air Force
• Royal Ossorian Defense Force
• Ossorian Home Guard
• Ossorian Royal Guard

Specifications (H-17F)

General characteristics

• Crew: 1-2
• Capacity: up to 3 or 4 passengers
• Length: 11.97 m (39 ft 3 in) including rotor
• Height: 3.15 m (10 ft 4 in) overall
• Empty weight: 920 kg (2,028 lb)
• Max takeoff weight: 1,900 kg (4,189 lb)
• Fuel capacity: 735
• Powerplant: 1 × ISA210 turboshaft, 440 kW (590 hp)
• Main rotor diameter: 10.5 m (34 ft 5 in)
• Main rotor area: 86.5 m² (931 sq ft)

Performance

• Maximum speed: 310 km/h (193 mph; 167 kn)
• Cruise speed: 365 km/h (227 mph; 197 kn)
• Range: 360 km (224 mi; 194 nmi)
• Service ceiling: 5,000 m (16,000 ft)

Armament

• Guns:
  
  • 2 × 7.92 mm machine gun pods (optional)
• Rockets:
  
  • 2 × rocket pods (optional)
• Missiles:
  
  • 6 × anti-surface missiles (optional)

Avionics

• 1 × gimbal-mounted digitally stabilized electro-optical/infrared camera equipped with a laser range finder/designator (optional)