B-37 Gailtean

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B-37 Gailtean
YF-23 on taxiway.jpg
Role strike aircraft
National origin  Ossoria
Manufacturer Tionscail Ríoga Aeraspáis
First flight August 1998 (as T-37)
Introduction September 2011
Status In service
Primary user Royal Ossorian Air Force
Produced 2008–present
Number built ~150
Developed from T-37 Gailtean

The B-37 Gailtean (English: sylph) is a two-seat tactical bomber variant of the fifth-generation twin-engine stealth fighter of the same name designed and built by the Ossorian aerospace defense company Tionscail Ríoga Aeraspáis (TRA). The Gailtean uses a trapezoidal wing configuration as well as an all-moving butterfly tail to reduce aerodynamic drag at transonic speeds, as well as various stealth features including serpentine air intakes to reduce its radar signature and heat-ablating tiles around its exhaust troughs to reduce its infrared signature from ground-based detection, and is also capable of supercruising. It is outfitted with a single weapons bay on the underside of the aircraft, capable of carrying a variety of CSN-standard ground-attack weapons and perform an array of missions including deep air support and suppression of enemy air defenses.

Design and development

Armament

The B-37 is outfitted with one internal weapons bay, located on the bottom of the fuselage between the engine nacelles. This weapons bay is outfitted to carry a variety of bombs and ground-attack missiles internally, preserving the aircraft's stealth profile.

Operational service

Variants

Operators

Specifications (B-37A)

General characteristics

  • Crew: 2 (pilot and weapons officer)
  • Length: 21.3 m (69 ft 11 in)
  • Wingspan: 13.3 m (43 ft 8 in)
  • Height: 4.3 m (14 ft 1 in)
  • Wing area: 84 m2 (900 sq ft)
  • Empty weight: 13,150 kg (28,991 lb)
  • Max takeoff weight: 28,125 kg (62,005 lb)
  • Fuel capacity: 4700 kg
  • Powerplant: 2 × ISA217 afterburning turbofan, 160 kN (36,000 lbf) thrust each with afterburner

Performance

  • Maximum speed: 2,330 km/h (1,448 mph; 1,258 kn) +
  • Maximum speed: Mach 2+
  • Cruise speed: 1,700 km/h (1,056 mph; 918 kn) +
  • Combat range: 1,280 km (795 mi; 691 nmi) +
  • Ferry range: 4,500 km (2,796 mi; 2,430 nmi) +
  • Service ceiling: 20,000 m (66,000 ft)
  • Wing loading: 280 kg/m2 (57 lb/sq ft)
  • Power/mass: 1.36

Armament

  • Hardpoints: 1 × internal weapons bay with provisions to carry combinations of:
    • Missiles:
      • 5 × anti-radiation missiles
    • Bombs:
      • 20 × 100 kg bombs
      • 10 × 250 kg bombs
      • 5 x 500 kg bombs
      • 2 x 1000 kg bombs

Avionics