Bell 412 vs Westland Scout: Specs Compared

Bell 412 — licensed reference photograph

AHelicopters

Bell 412

Multipurpose utility helicopter

Credit

Sardaka · CC BY-SA 4.0 · Resized · CC BY-SA 4.0 · Source ↗ · Modified

Westland Scout — licensed reference photograph

BHelicopters

Westland Scout

Helicopter

Credit

Tim Felce (Airwolfhound) · CC BY-SA 2.0 · Resized · CC BY-SA 2.0 · Source ↗ · Modified

First system

Second system

At a glance

Side by side

Length comparisonOne shared metre scale

Bell 412Bell 412EP · including rotors

17.09 m

Length source ↗

Westland ScoutScout · Length

9.25 m

Length source ↗

Lengths retain their source configuration and measurement scope.

Measured figures

Head to head

22 of 32 rows sourced on both sides

17.09mBell 412EP · including rotors

9.25mScout · Length

LengthScopes differ

All recorded figures & sources

17.09 m

Bell 412EP · including rotors

Single source

56 ft 1 in (17.09 m) including rotors^[source]

9.25 m

Scout · Length

Single source

30 ft 4 in (9.25 m)^[source]

14.02mBell 412EP · Main rotor diameter

9.83mScout · Main rotor diameter

Rotor diameterScopes differ

All recorded figures & sources

14.02 m

Bell 412EP · Main rotor diameter

Single source

46 ft 0 in (14.02 m)^[source]

9.83 m

Scout · Main rotor diameter

Single source

32 ft 3 in (9.83 m)^[source]

4.57mBell 412EP · Height

2.72mScout · Height

HeightScopes differ

All recorded figures & sources

4.57 m

Bell 412EP · Height

Single source

15 ft 0 in (4.57 m)^[source]

2.72 m

Scout · Height

Single source

8 ft 11 in (2.72 m)^[source]

5.4t

2.4t

MassScopes differ

All recorded figures & sources

3,079 kg

Empty; Bell 412EP · Empty weight

Single source

5,398 kg

Maximum take-off; Bell 412EP · Max takeoff weight

Single source

6,789 lb (3,079 kg)^[source]

11,900 lb (5,398 kg)^[source]

1,466 kg

Empty; Scout · Empty weight

Single source

2,404 kg

Maximum take-off; Scout · Max takeoff weight

Single source

3,232 lb (1,466 kg)^[source]

5,300 lb (2,404 kg)^[source]

260km/hMaximum; Bell 412EP · Maximum speed

211km/hMaximum; Scout · Maximum speed

SpeedScopes differ

All recorded figures & sources

226 km/h

Cruise; Bell 412EP · Cruise speed

Single source

260 km/h

Maximum; Bell 412EP · Maximum speed

Single source

140 kn (160 mph, 260 km/h)^[source]

122 kn (140 mph, 226 km/h)^[source]

196 km/h

Cruise; Scout · Cruise speed

Single source

211 km/h

Maximum; Scout · Maximum speed

Single source

131 mph (211 km/h, 114 kn)^[source]

122 mph (196 km/h, 106 kn)^[source]

980kmBell 412EP · Range

507kmScout · Range

RangeScopes differ

All recorded figures & sources

980 km

Bell 412EP · Range

Single source

529 nmi (609 mi, 980 km)^[source]

507 km

Scout · Range

Single source

315 mi (507 km, 274 nmi)^[source]

930kW

511kW

PowerScopes differ

All recorded figures & sources

930 kW

Bell 412EP · 1 × Pratt & Whitney Canada PT6T-3D Twin-Pac or PT6T-3DF Twin-Pac coupled turboshaft engine - each, 1,250 shp (

Single source

1 × Pratt & Whitney Canada PT6T-3D Twin-Pac or PT6T-3DF Twin-Pac coupled turboshaft engine - each, 1,250 shp (930 kW)^[source]

511 kW

Scout · 1 × Rolls-Royce Nimbus 101 or 102 turboshaft engine, 685 shp ( ) derated from 1,050 shp

Single source

1 × Rolls-Royce Nimbus 101 or 102 turboshaft engine, 685 shp (511 kW) derated from 1,050 shp^[source]

6,100mBell 412EP · Service ceiling

5,400mScout · Service ceiling

Service ceilingScopes differ

All recorded figures & sources

6,100 m

Bell 412EP · Service ceiling

Single source

20,000 ft (6,100 m)^[source]

5,400 m

Scout · Service ceiling

Single source

17,700 ft (5,400 m)^[source]

6.9m/sBell 412EP · 1,350 ft/min (

8.5m/sScout · 1,670 ft/min (

Rate of climbScopes differ

All recorded figures & sources

6.9 m/s

Bell 412EP · 1,350 ft/min (

Single source

1,350 ft/min (6.9 m/s)^[source]

8.5 m/s

Scout · 1,670 ft/min (

Single source

1,670 ft/min (8.5 m/s)^[source]

Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.

Configuration

Details

Bell 412 and Westland Scout configuration
Specification	Bell 412	Westland Scout
Crew	one-two pilots^[source]	1 or 2^[source]
Type	Multipurpose utility helicopter^[source]	Helicopter^[source]
National origin	United States / Canada^[source]	United Kingdom^[source]
Manufacturer	Bell Helicopter^[source]	Westland Helicopters^[source]
Primary users	Japan Ground Self Defence Force See Operators for others^[source]	British Army Royal Australian Navy Royal Jordanian Air Force South African Air Force^[source]
Number built	1,300+^[source]	About 150^[source]
Manufactured	1979–present^[source]	1960–1968^[source]
Introduction date	1981 ( 1981 )^[source]	—
First flight	August 1979 ( 1979-08 )^[source]	29 August 1960^[source]
Developed from	Bell 212^[source]	Saro P.531^[source]
Variant	Bell CH-146 Griffon^[source]	Westland Wasp^[source]
Capacity	up to 13 passengers, maximum external load of almost 6,614 lb (3,000 kg)^[source]	4 or 5 passengers / 1,500 lb (680 kg) slung load^[source]
Fuselage length	43 ft (13 m)^[source]	—
Blade sections	root: Boeing VR-7; tip: Wortmann FX 71-H-080^[source]	—
Main rotor area	1,662 sq ft (154.4 m 2 )^[source]	816.9 sq ft (75.89 m 2 )^[source]
Power/mass	0.2663 hp/lb (0.4378 kW/kg)^[source]	0.13 hp/lb (0.21 kW/kg)^[source]
Status	—	Retired from active service 1994^[source]
Guns	—	1 or 2 x L7 GPMG machine guns^[source]
Airfoil	—	NACA 0012^[source]
Never exceed speed	—	132 mph (212 km/h, 115 kn)^[source]
Hover ceiling IGE	—	12,500 ft (3,810 m)^[source]
Disk loading	—	6.48 lb/sq ft (31.6 kg/m 2 )^[source]
Missiles	—	4 x SS.11 anti-tank guided missiles^[source]

FORCETALLY

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Bell 412

Westland Scout

Crew

one-two pilots^[source]

1 or 2^[source]

Type

Multipurpose utility helicopter^[source]

Helicopter^[source]

National origin

United States / Canada^[source]

United Kingdom^[source]

Manufacturer

Bell Helicopter^[source]

Westland Helicopters^[source]

Primary users

Japan Ground Self Defence Force See Operators for others^[source]

British Army Royal Australian Navy Royal Jordanian Air Force South African Air Force^[source]

Number built

1,300+^[source]

About 150^[source]

Manufactured

1979–present^[source]

1960–1968^[source]

Introduction date

1981 ( 1981 )^[source]

—

First flight

August 1979 ( 1979-08 )^[source]

29 August 1960^[source]

Developed from

Bell 212^[source]

Saro P.531^[source]

Variant

Bell CH-146 Griffon^[source]

Westland Wasp^[source]

Capacity

up to 13 passengers, maximum external load of almost 6,614 lb (3,000 kg)^[source]

4 or 5 passengers / 1,500 lb (680 kg) slung load^[source]

Fuselage length

43 ft (13 m)^[source]

—

Blade sections

root: Boeing VR-7; tip: Wortmann FX 71-H-080^[source]

—

Main rotor area

1,662 sq ft (154.4 m 2 )^[source]

816.9 sq ft (75.89 m 2 )^[source]

Power/mass

0.2663 hp/lb (0.4378 kW/kg)^[source]

0.13 hp/lb (0.21 kW/kg)^[source]

Status

—

Retired from active service 1994^[source]

Guns

—

1 or 2 x L7 GPMG machine guns^[source]

Airfoil

—

NACA 0012^[source]

Never exceed speed

—

132 mph (212 km/h, 115 kn)^[source]

Hover ceiling IGE

—

12,500 ft (3,810 m)^[source]

Disk loading

—

6.48 lb/sq ft (31.6 kg/m 2 )^[source]

Missiles

—

4 x SS.11 anti-tank guided missiles^[source]