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The EH Industries EH 101

Country of origin  
Italy and United Kingdom

Photos  

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Powerplants  
Three 1230kW (1649shp) max continuous rated General Electric CT76 turboshafts driving a five blade main rotor and four blade tail rotor.

Performance  
Heliliner - Typical cruising speed 278km/h (150kt), long range cruising speed 260km/h (140kt). Service ceiling 15,000ft. Range offshore IFR equipped, standard fuel and reserves 1130km (610nm), with 30 pax, IFR equipped, fifth fuel tank and reserves 1390km (750nm). Endurance 5hr.

Weights  
Heliliner - Operating empty (with IFR, offshore equipped) 8933kg (19,695lb), max takeoff 14,600kg (32,188lb).

Dimensions  
Main rotor diameter 18.59m (61ft 0in), length rotors turning 22.81m (74ft 10in), fuselage length 19.53m (64ft 1in), height rotors turning 6.65m (21ft 10in). Main rotor disc area 271.5m2 (2922.5sq ft).

Capacity  
Flightcrew of two. Main cabin seating for 30 at four abreast and 76cm (30in) pitch. Equipped with galley and toilet.

Production  
Two sold to the Tokyo police (due to be delivered in late 1998) were the first commercial orders received.

Type  
Commuter, offshore oil rig support & utility helicopter

History  

EH Industries offers commercial developments of its EH 101 aimed at offshore oil rig support, airport/city centre shuttle and utility operations.

EH Industries is a collaborative venture between Westland of the UK and Agusta of Italy (in 1998 both companies agreed to merge) which was formed to develop an anti submarine warfare helicopter for the Royal Navy and Italian navy. The partnership was formed in 1980, and both companies have a 50% holding. From the outset both companies intended to develop civil and commercial models of the EH 101. Westland has design responsibility for the Heliliner, the anti submarine warfare variant is being developed jointly, while Agusta heads development of military and utility transport versions with a rear loading ramp.

EH 101 full scale development began in March 1984. The first flight of an EH 101 (the Westland built PP1) was on October 9 1987, while the first civil configured EH 101, PP3, first flew on September 30 1988. The first production EH 101 (a Merlin for the Royal Navy) first flew in December 1995.

While the Royal Navy's EH 101 Merlin ASW helicopters and the Royal Air Force's Merlin HC.3 tactical transports will have RollsRoyce Turboméca RTM322 engines, Italian and civil EH 101s will have General Electric CT7 engines.

The 30 seat Heliliner is optimised either for offshore oil rig or airport to city centre transfers, and the rear freight door is offered as an option, while the civil utility version has the rear ramp fitted as standard. Canada's military has ordered 15 similar AW320 Cormorants for search and rescue work.

So far Tokyo's police is the only civil EH 101 customer. In late 1998, two preproduction machines - PP3 and PP9 - began a program of simulated commercial and military operations in the North Sea based from Aberdeen in Scotland, part of efforts to validate reliability and maintainability.

Copyright Airliners.net, some information Copyright Aerospace Publications

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The backbone of this section is from the The International Directory of Civil Aircraft by Gerard Frawley and used with permission. To get your own copy of the book click here.