Eurocopter EC120 Colibri
|Role||Light utility helicopter|
Harbin Aircraft Industry Group
|First flight||9 June 1995|
|Number built||over 550|
The Eurocopter (now Airbus Helicopters) EC120 Colibri (English: hummingbird) is a 5-seat, single-engine, single main rotor, light helicopter. Jointly designed and developed by Eurocopter, China National Aero-Technology Import & Export Corporation (CATIC), Harbin Aviation Industries (Group) Ltd (HAIG) and Singapore Technologies Aerospace Ltd (STAero) at Eurocopter France's Marignane facility, the EC120 B is assembled by Eurocopter in France and Australia.
In China, the aircraft is produced by Harbin Aircraft Manufacturing Corporation (HAMC) as the HC120. In 2004, HAMC began local manufacturing of the HC120 at their assembly line in Harbin, in northern China. In the Chinese market, both the People's Liberation Army and multiple local police forces have purchased HC120 helicopters.
The EC120 Colibri has its origins in the P120, a proposal by French helicopter manufacturer Aérospatiale that was intended to replace both their Aérospatiale Gazelle and Aérospatiale SA 315B Lama single engine helicopters. During the 1980s, Aérospatiale sought international partners with which to co-produce the P120, these included aerospace companies in China, Singapore, and Australia. In the aftermath of the Chinese Government's crackdown on the Tiananmen Square protests of 1989, the exclusion of Chinese involvement in the project was speculated.
On 20 October 1992, a contract for the joint development contract of the new helicopter was signed by the three principle partners of the project, the newly formed Eurocopter, China National Aero-Technology Import & Export Corporation (CATIC) and Singapore Aerospace Ltd (STAero). Under the joint development agreement, Eurocopter received a 61% controlling interest and technical leader in the programme, CATIC received a 24% work share and STAero received a 15% work share; CATIC designed and produced the cabin structure and fuel system, STAero produced the tail boom, access doors, and composite materials, while Eurocopter produced the dynamic assemblies, installed the avionics, electrical and hydraulic systems, and conducted the final assembly activity. Development of the rotorcraft allowed Eurocopter to extend its range to include 1.5 metric-ton rotorcraft.
On 9 June 1995, the first prototype EC120 Colibri conducted its maiden flight. By February 1996, the prototype had accumulated 60 flight hours, a second prototype joined the test program later that year. In February 1997, the EC120 Colibri was formally launched at the Helicopter Association International (HAI) show in Anaheim, California; by June 1997, more than 50 orders had been received for the type. By October 1998, more than 100 orders had been received for the type, leading Eurocopter to increase the production rate from four helicopters per month to six. In 2002, Eurocopter was in the process of establishing a second assembly line for the EC120 at Australian Aerospace's facility in Brisbane, Australia.
In September 2003, Eurocopter and China Aviation Industry Corporation II (AVIC II) expanded their partnership agreement to include a co-production arrangement with AVIC II-subsidiary Harbin Aircraft Industry Group (HAIG). On 11 June 2004, a final production agreement was signed; under the agreement, CATIA and HAIG received exclusive market rights in China, and Eurocopter agreed to stop selling French-built EC120s in mainland China. In June 2014, the People's Liberation Army of China became the launch customer for the Harbin-produced HC120, reportedly placing an order for 8 of the type with options for 50 more.
The EC120 B Colibri is a single-engine multimission helicopter, designed for safe, simple, and cost-effective operations. It incorporates several of Eurocopter's trademarked technologies, those of prominence are the Speriflex main rotor head and the 8-bladed fenestron anti-torque tail rotor; these have been partially credited with contributing to the rotorcraft's noise signature, which is 6.7 decibels below International Civil Aviation Organization (ICAO) limits. Airbus Helicopters has claimed that the EC120 B possesses the lowest operating cost in its class. As of 2014, the EC120 has the distinction of being the only single-engine rotorcraft to be certified to JAR/FAR 27 standards; measures incorporated to meet these standards include an energy-attenuating main structure, energy-absorbent seats for all on board, and a crash-resistant fuel system.
The EC120 Colibri features a wide, ergonomic cabin with high levels of external visibility, which can accomidate a single pilot along with four passengers in typical passenger configuration. The design of the cabin is suitable for a wide variety of civilian and parapublic missions, such as utility transport, offshore transport, training, law enforcement, casualty evacuation and corporate transport. In the casualty evacuation role, the rotorcraft can carry one pilot and one stretcher patient as well as one or two medical attendants. In a cargo-carrying capacity, the EC120 can carry one pilot plus 2.94 m3 (104 cu ft) of total useful load volume spread between the cabin and the 0.8 m3 (28 cu ft) hold, which is externally accessible from the right-hand side and to the rear, as well as from the cabin in some configurations. To ease cargo operations, the cabin floor is flat and unobstructed; alternatively, a cargo sling can be installed to carry cargo of up to 700 kg (1,540 lb).
According to Airbus Helicopters, the EC120 B integrates a high level of advanced technology to make the rotorcraft easier and safer to fly, as well as to reduce costs. A particular emphasis was placed on allowing end-customers to perform as much of the maintenance tasks themselves. The primary instrument panel is the twin-screen vehicle and engine multifunction display (VEMD) which provides control and monitoring of various aspects of the rotorcraft, such as the fenestron tail rotor and key engine parameters; the VEMD decreases overall pilot workload for greater safety. In a baseline configuration, flight controls are installed only on the right-hand side, dual controls or left-hand only flight controls can be optionally installed. Third parties have offered their own avionics suites for the EC120, adding functionality such as an autopilot.
In addition to various civil roles, the EC120 has also been used by several military operators to conduct training, observation and light utility missions. Airbus Helicopter has promoted the type in a training capacity due to features such as positive control response, performance computation systems, modern instrumentation for ease of use, overall compact size, and a high level of cabin visibility. A wide range of optional equipment can be installed upon the EC120 B, this includes a wire strike protection system, air conditioning, sand filter, skis, windshield wipers, electrical external mirrors, a cargo sling, emergency flotation gear, forward looking infrared (FLIR) cameras, and external spotlights. For corporate customers, the EC120 can be equipped with a Stylence interior, offering a luxurious interior with leather upholstery, in-flight office and telecommunications facilities, along with reduced noise and vibration levels via additional insulation.
|In-cockpit view of EC120 B startup sequence|
|Spanish EC120 display at NATO Days 2013 Ostrava|
The first EC120 B was delivered in 1998. By 2008, Eurocopter had already delivered more than 550 Colibris to various customers.
In 2004, the United States Department of Homeland Security U.S. Customs and Border Protection (CBP) selected the EC120 B to meet its Light Sign Cutter requirement, a program potentially involving 55 aircraft with a total value of US$75 million in then-year dollars. In 2006, the CBP ordered 15 EC120 B helicopters, with a further five aircraft since ordered.
The Spanish Air Force (SPAF) has procured a number of EC120s, which it refers to be the name Patrulla. In 2003, the SPAF formed an aerobatic display team, the Patrulla ASPA, which use the type; a typical display involves five EC120s performing complex manoeuvers in addition to formation flight.
In January 2008, the French Defense Ministry selected the EC120 as the French Army's new lead-in rotary-wing trainer to replace the Aérospatiale Gazelle. 36 EC120 Bs equipped with Sagem avionics shall be operated through a 22-year public-private partnership (PPP) with operator Hélidax. On 12 October 2010, the final EC120 was delivered to Hélidax.
In 2015, an EC120 B was used as a flying demonstrator for the European Clean Sky environmental research program. Built to trial aviation diesel technologies, the EC120 B demonstrator was equipped with a 4.6 liter turbocharged V8 Jet A piston engine (HIPE AE440 high-compression) and a multiplier gearbox in the place of the standard Arrius turboshaft powerplant; the new engine should noticeably reduce several emissions and direct operating costs while increasing range. The engine weighs about 200 kg without gearbox and cooling. Tests indicate about 30-50% less consumption.
- EC120 B Colibri: Standard designation (original designation during development was "P-120")
- HC120: Chinese-built variant of the EC120
The EC120 is used by both private individuals and companies, helicopter charter and training organizations as well as law enforcement and government use.
- Calgary Police Service
- Royal Canadian Mounted Police
- Edmonton Police Service
- York Regional Police
- Winnipeg Police Service
- Baltimore Police Department
- Austin Police Department
- Albuquerque Police Department
- Sacramento County Sheriff's Department
Specifications (EC120 B)
Data from Eurocopter EC120 B 2008 Tech Data book
- Crew: 1 or 2 pilots
- Capacity: 4 passengers
- Length: 9.6 m (31 ft 5 in)
- Rotor diameter: 10.0 m (32 ft 8 in)
- Height: 3.4 m (11 ft 2 in)
- Empty weight: 991 kg (2,185 lb)
- Useful load: 724 kg (1,596 lb)
- Max. takeoff weight: 1,715 kg (3,781 lb)
- Powerplant: 1 × Turbomeca Arrius 2F turboshaft, 376 kW (504 shp)
- Never exceed speed: 278 km/h (150 knots, 172 mph)
- Cruise speed: 223 km/h (120 knots, 138 mph)
- Range: 710 km (383 nm, 440 mi)
- Service ceiling: 5,182 m (17,000 ft)
- Rate of climb: 5.84 m/s (1,150 ft/min)
Vehicle and Engine Multifunction Display (VEMD) with First Limit Indicator (FLI) fitted as standard.
- Aircraft of comparable role, configuration and era
- Bell 206
- Bell 407
- Bell 505 Jet Ranger X
- MD Helicopters MD 500
- Eurocopter AS350
- Robinson R66
- PZL SW-4
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