S-70B Seahawk Helicopter Royal Australian Navy RAN

Royal Australian Navy - Aviation
Sikorsky S-70B Seahawk

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Units:

Serials / markings (S-70B-2):

N24-001 / N24-002 / N24-003 / N24-004 / N24-005 / N24-006 / N24-007 / N24-008
N24-009 / N24-010 / N24-011 / N24-012 / N24-013 / N24-014 / N24-015 / N24-016

NOTE: all 16 Royal Australian Navy S-70B Seahawks are out of service from 2017

The Sikorsky S-70B (SH-60) is a twin turboshaft engine, multi-mission Navy helicopter based on the United States Army UH-60 Black Hawk and a member of the Sikorsky S-70 family.

SH-60B Seahawk:
IBM was the prime systems integrator for the Lamps MK III with Sikorsky as the airframe manufacturer. The SH-60B maintained 83% commonality with the UH-60A. The main changes were corrosion protection, more powerful T700 engines, single-stage oleo main landing gear, removal of the left side door, adding two weapon pylons, and shifting the tail landing gear 13 feet (3.96 m) forward to reduce the footprint for shipboard landing. Other changes included larger fuel cells, an electric blade folding system, folding horizontal stabilators for storage, and adding a 25-tube pneumatic sonobuoy launcher on the left side.

The primary missions of the SH-60B are surface warfare and anti-submarine warfare. It carries a complex system of sensors, including a towed magnetic anomaly detector (MAD) and air-launched sonobuoys. Other sensors include the APS-124 search radar, ALQ-142 ESM system and optional nose-mounted forward looking infrared (FLIR) turret.

S-70B-2 Seahawk:
Anti-submarine version for the Royal Australian Navy, similar to the SH-60B Seahawk in U.S. Navy operation.

Specifications (SH-60B):
Crew: 3-4
Capacity: 5 passengers in cabin, slung load of 6,000 lb (2,700 kg) or internal load of 4,100 lb (1,900 kg) / 6,684 lb (3,032 kg) payload
Length: 64 ft 8 in (19.71 m)
Height: 17 ft 2 in (5.23 m)
Empty weight: 15,200 lb (6,895 kg)
Gross weight: 17,758 lb (8,055 kg) for ASW mission
Max takeoff weight: 21,884 lb (9,926 kg)
Main rotor diameter: 53 ft 8 in (16.36 m)
Main rotor area: 2,262.3 sq ft (210.17 m2)
Powerplant: 2 × General Electric T700-GE-401C turboshaft engines, 1,890 shp (1,410 kW) each for take-off
Maximum speed: 146 kn (168 mph, 270 km/h)
Never exceed speed: 180 kn (210 mph, 330 km/h)
Range: 450 nmi (520 mi, 830 km)
Service ceiling: 12,000 ft (3,700 m)
Rate of climb: 1,650 ft/min (8.4 m/s)

Armament:
Mk.46, Mk.50 or Mk.54 torpedoes
AGM-114 Hellfire missiles
Machine guns

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