Vertipedia - Enstrom 480B

Latest certification in Feb 2001 as an upgrade of the Model 480. There is a police version known as the Guardian, which may be eqipped with police radio, searchlight, siren, Forward Looking Infrared (FLIR) and PA systems.

Another version is the 480B-G, equipped with a Garmin G1000H glass cockpit.

Overview

Data on design, manufacture and status

Design authority: Enstrom Helicopter Corp.

Primary manufacturer: Enstrom Helicopter Corp.

Parent type: No type defined

Aircraft status: Operational

Configuration

Primary flight and mechanical characteristics

VTOL type: Helicopter

Lift devices: 1 Single main rotor

Dedicated control device: 1 Tail rotor

Crew required: 1 in Side-by-side arrangement

Landing gear: Skids

Key Characteristics

Data on key physical features

Aircraft Details

Data on aircraft configuration, weights, flight performance and equipment

Layout and Dimensions

Weights and Performance

Engine Details

Primary Lift Device

Primary Control Device

Overall Dimensions
Overall Height:	3.00 m	9.8 ft
Overall Length:
Overall Width:	9.75 m	32.0 ft

Airframe Dimensions
Airframe Length:	9.10 m	29.9 ft
Airframe Width:	1.80 m	5.9 ft
Airframe Height:	2.10 m	6.9 ft

Landing Gear Dimensions
Landing Gear Base:
Landing Gear Track:	2.50 m	8.2 ft

Cabin Dimensions
Cabin Internal Height:
Cabin Internal Length:
Cabin Internal Width:	1.80 m	5.9 ft

Performance at 2500 lb (1134 kg) mission weight.

Weights
Max Gross Weight (ground):	1,361 kg	3,000 lb
Max Gross Weight (airborne):
Max Take-off Weight:	1,361 kg	3,000 lb
Empty Weight:	826 kg	1,821 lb

Climb Performance
Max Rate of Climb:	8 m/s	1,600 fpm

Hover Performance
Hover Ceiling IGE:	4,755 m	15,600 ft
Hover Ceiling OGE:	4,267 m	14,000 ft

Limitations
Max Level Flight Speed:	213 km/h	115 kts
Never Exceed Speed:	232 km/h	125 kts
Service Ceiling:	3,962 m	13,000 ft

Range and Endurance
Max Range:	685 km	370 nm
Max Endurance:	5 hrs

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

Powerplant
Number of engines:	1
Designation:	RR M250-C20W (as used on Enstrom 480B) turbine
Manufacturer:	Rolls-Royce Corporation

Normal Ratings
Max continuous:	206 kW	276 hp
Take-off / rated:	227 kW	304 hp
Intermediate:
Maximum:	227 kW	304 hp

OEI Ratings
OEI contingency:
OEI continuous:
OEI 30-second:
OEI intermediate:

Main Rotor Characteristics
Diameter:	9.75 m	31.99 ft
RPM:
Direction of Rotation:	Counterclockwise
Hub Type:

Main Rotor Blade Characteristics
Blade Construction:
Blade Chord:
Blade Tip Geometry:	Flat
Blade Twist:
Number of Blades:	3

Main Rotor Derived Characteristics
Disc Area:	74.66 m²	803.7 ft²
Disc Loading:	18.23 kg/m²	3.734 lb/ft²
Solidity:

Main Rotor Blade Derived Characteristics
Blade area per blade:
Tip Speed:

Tail Rotor Characteristics
Diameter:	1.50 m	4.92 ft
Configuration:	Unblocked
Direction of Rotation:	Top blade aft
RPM:

Tail Rotor Blade Characteristics
Number of Blades:	2
Blade Construction:
Blade Chord:
Blade Twist:

Tail Rotor Derived Characteristics
Disc Area:	1.77 m²	19.0 ft²
Solidity:

Tail Rotor Blade Derived Characteristics
Tip Speed:
Blade Area (per blade):

References

References and sources used

Enstrom 480/TH-28

Forecast International
Rotorcraft Forecast 2014, 2014 (page 2)
Report or Technical Manual

Enstrom Helicopter | 480B Specifications and Performance Data

Enstrom Helicopter Corporation
2 August 2017
Website

The New Enstrom (Enstrom Directory)

AHS International, Robert Moorman
July/August 2014 (page 24)
Periodical

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Images

Overview

Attribution

Main rotor

Attribution

Tail rotor

Attribution

Main Rotor Diameter:	9.75 m	31.99 ft
Max Gross Weight (ground):	1,361 kg	3,000 lb

Number of engines:	1 Turbine
Max Level Flight Speed:	213 km/h	115 kts
Max Range:	685 km	370 nm
Max Endurance:	5 hrs	5 hrs