Lockheed S-3 Viking - Specifications (S-3A)

Specifications (S-3A)

Data from Standard Aircraft Characteristics

General characteristics

  • Crew: 4 (Pilot, 2× Naval Flight Officers, Sensor Operator/TFO)
  • Length: 53 ft 4 in (16.26 m)
  • Wingspan:
    • Unfolded: 68 ft 8 in (20.93 m)
    • Folded: 29 ft 6 in (9.00 m)
  • Height: 22 ft 9 in (6.93 m)
  • Wing area: 598 ft² (55.56 m²)
  • Empty weight: 26,581 lb (12,057 kg)
  • Loaded weight: 38,192 lb (17,324 kg)
  • Max. takeoff weight: 52,539 lb (23,831 kg)
  • Powerplant: 2 × General Electric TF34-GE-2 turbofans, 9,275 lbf (41.26 kN) each
  • Internal fuel capacity: 1,933 US gal (7,320 L) of JP-5 fuel
  • External fuel capacity: 2x 300 US gal (1,136 L) tanks

Performance

  • Maximum speed: **429 kn (493 mph, 795 km/h) at sea level
    • Mach 0.79, 450 kn (514 mph, 828 km/h) at 20,000 ft (6,100 m)
  • Cruise speed: 350 kn (405 mph, 650 km/h)
  • Stall speed: 97 kn (112 mph, 180 km/h)
  • Range: 2,765 nm (3,182 mi, 5,121 km)
  • Ferry range: 3,368 nm (3,875 mi, 6,237 km)
  • Service ceiling: 40,900 ft (12,465 m)
  • Rate of climb: 5,120 ft/min (26.0 m/s)
  • Wing loading: 68.5 lb/ft² (334 kg/m²)
  • Thrust/weight: 0.353

Armament

  • Up to 4,900 lb (2,220 kg) on four internal and two external hardpoints, including:
  • 10 × 500 lb (227 kg) Mark 82 bombs
  • 2 × 1000 lb (454 kg) Mark 83 bombs
  • 2 × 2000 lb (908 kg) Mark 84 bombs
  • 6 × CBU-100 cluster bombs
  • 2 × Mark 50 torpedoes
  • 4 × Mark 46 torpedoes
  • 6 × mines or depth charges
  • 2 × B57 nuclear bombs
  • 2 × AGM-65E/F Maverick missiles
  • 2 × AGM-84D Harpoon missiles
  • 1 × AGM-84H/K SLAM-ER missile

The two underwing hardpoints can also be fitted with unguided rocket pods or 300 US gal (1,136 l) fuel tanks.

Avionics

  • AN/APS-116 sea search radar, maximum range 150 nmi (173 mi, 278 km)
    • Upgraded on S-3B to AN/APS-137 Inverse Synthetic Aperture Radar (ISAR)
  • OR-89 forward looking infrared (FLIR) camera with 3x zoom
  • AN/ARS-2 sonobuoy receiver with 13 blade antennas on the airframe for precise buoy location (Sonobuoy Reference System)
  • AN/ASQ-81 magnetic anomaly detector (MAD)
  • AN/ASN-92 Inertial navigation system (INS) with doppler radar navigation and TACAN
  • Up to 60 sonobuoys (59 tactical, 1 Search and Rescue)

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