The aircraft is a SAR version for the Royal Norwegian Air Force.

NAWSARH stands for Norwegian all-weather SAR helicopter. 16 are being procured. The aircraft can carry 25 people or 12  stretchers. The aircraft systems include an Osprey 30 conformal EASA radar, a Laser Obstacle Avoidance System (LOAM) and an Obstacle Proximity LIDAR System (OPLS). The aircraft has an integrated avionics suite with glass cockpit (5xLCD screens) and is night vision compatible. There is also a mobile phone detection and localisation system.

Source: "Next-gen SAR", Khalem Chapman, Aerospace, October 2018

Overview

Data on design, manufacture and status

Design authority: AgustaWestland N.V.

Primary manufacturer: AgustaWestland N.V.

Parent type: AgustaWestland AW101/EH101

Aircraft status: Operational

Configuration

Primary flight and mechanical characteristics

VTOL type: Helicopter

Lift configuration: Single main rotor

Dedicated control device: Tail rotor

Crew required: 2

Crew seating: Side-by-side

Landing gear: Wheels (all retractable)

Layout and Dimensions

Data on aircraft size

Overall Dimensions
Overall Height:  
Overall Length:  
Overall Width: 18.59 m 61.0 ft
Airframe Dimensions
Airframe Length:  
Airframe Width:  
Airframe Height:  
Landing Gear Dimensions
Landing Gear Base:  
Landing Gear Track:  
Cabin Dimensions
Cabin Internal Height:  
Cabin Internal Length:  
Cabin Internal Width:  

Weights and Performance

Data on aircraft weight and flight characteristics

The max range assumes a twin-engine cruise.

Weights
Max Gross Weight (ground): 15,600 kg 34,392 lb
Max Gross Weight (airborne):  
Max Take-off Weight: 15,600 kg 34,392 lb
Empty Weight:  
Useful Load:  
Empty Weight Fraction:  
Climb Performance
Max Rate of Climb:  
Hover Performance
Hover Ceiling IGE:  
Hover Ceiling OGE:  
Limitations
Max Level Flight Speed: 278 km/h 150 kts
Never Exceed Speed:  
Service Ceiling:  
Range and Endurance
Max Range: 1,500 km 810 nm
Max Endurance:  

Engine Details

Aircraft powerplant (lift and/or propulsion)

Provided powerplant data is for uninstalled, sea level, static operations.

Powerplant
Number of engines: 3
Designation: GE CT7-8E turbine
Manufacturer: GE Aviation
Normal Ratings
Max continuous: 1522 kW 2040 hp
Take-off / rated: 1884 kW 2525 hp
Intermediate: 1855 kW 2487 hp
Maximum:  
OEI Ratings
OEI contingency: 1880 kW 2520 hp
OEI continuous:  
OEI 30-second:  
OEI intermediate:  

Primary Lift Device

Data on primary lift devices such as main rotors

Main Rotor Characteristics
Diameter: 18.59 m 61.00 ft
RPM:  
Direction of Rotation: Counterclockwise
Hub Type: Fully articulated with elastomeric bearings
Main Rotor Blade Characteristics
Blade Construction: Glass/carbon with metallic erosion shields
Blade Chord: 0.680 m 2.23 ft
Blade Tip Geometry: BERP III with anhedral
Blade Twist:  
Number of Blades: 5
Main Rotor Derived Characteristics
Disc Area: 271.51 m² 2922.6 ft²
Disc Loading: 57.46 kg/m² 11.768 lb/ft²
Solidity: 0.1164
Main Rotor Blade Derived Characteristics
Blade area per blade: 6.32 m² 68.0 ft²
Tip Speed:  

Primary Control Device

Data on primary control devices such as tail rotors

Tail Rotor Characteristics
Diameter: 4.10 m 13.45 ft
Configuration: Pusher
Direction of Rotation: Top blade aft
RPM:  
Tail Rotor Blade Characteristics
Number of Blades: 4
Blade Construction: Composite
Blade Chord:  
Blade Twist:  
Tail Rotor Derived Characteristics
Disc Area: 13.20 m² 142.1 ft²
Solidity:  
Tail Rotor Blade Derived Characteristics
Tip Speed:  
Blade Area (per blade):  

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