AgustaWestland AW109
| Industry | Aerospace, rotorcraft manufacturing |
|---|---|
| Founded | 1923 |
| Fate | Merged into AgustaWestland, now part of Leonardo |
| Successor | AgustaWestland, Leonardo |
| Headquarters | Italy , Italy |
| Products | Helicopters (e.g., Agusta A109) |
Overview
The AgustaWestland AW109, initially known as the Agusta A109, is a versatile, lightweight helicopter featuring twin engines and seating for eight passengers. It was developed and first manufactured by the Italian rotorcraft company Agusta. Notably, it holds the distinction of being the first helicopter entirely produced in Italy to enter mass production. The manufacturing of this model has been sustained by Agusta’s successor entities, currently Leonardo, which emerged from the former AgustaWestland following its integration into the Finmeccanica group in 2016.
Development Background
Development began in the late 1960s with the goal of creating a domestically designed rotorcraft optimized for commercial use. Market demands influenced the adoption of a twin-engine configuration, while emphasis was placed on advancing the civilian variant ahead of the military-focused A109B version. The maiden flight of the first prototype occurred on 4 August 1971. Certification by the Federal Aviation Administration (FAA) was granted on 1 June 1975, paving the way for its official introduction into service in 1976. Since then, the A109 has fulfilled numerous roles such as light transport, VIP conveyance, medical evacuation, law enforcement support, search and rescue missions, and various military applications. Specialized military variants have been developed for operations on land and at sea. The helicopter series includes multiple versions equipped with different engines, enlarged cabins, and diverse equipment packages. Some models are designed with interiors that can be rapidly reconfigured to suit different mission requirements. Additionally, several aftermarket providers offer modifications and upgrades tailored to this platform.
Production and International Collaboration
Following the merger between Agusta and British manufacturer Westland Helicopters, which resulted in AgustaWestland, the helicopter was rebranded as the AW109. The program has also embraced international cooperation; final assembly facilities have been established both in Italy and the United States. Since the mid-1990s, Polish aerospace firm PZL-Świdnik has produced hundreds of AW109 fuselages. In 2004, AgustaWestland entered into a joint venture with China’s Changhe Aircraft Industries Corporation, creating a production and support partnership that includes a final assembly line within China. The AW109 series has maintained continuous production for over four decades. Its derivative, the AW119, differs primarily by featuring a single engine and fixed landing gear configuration.
Origins
The inception of what would later be known as the AW109 began in the late 1960s at the Italian helicopter manufacturer Agusta. The company aimed to create a domestically produced rotorcraft tailored for commercial use. Initially designated as the A109, the early concepts featured a single-engine configuration.[1] Nonetheless, the design team soon identified a stronger market preference for twin-engine helicopters, prompting a redesign in 1969 that incorporated two Allison 250-C14 turboshaft engines. Although preliminary plans existed for a military variant internally named the A109B, Agusta deliberately deprioritized this version to focus on other sectors. The primary attention was directed towards developing the eight-seat A109C model.[2]
The prototype phase began on 4 August 1971, when the first of three prototypes completed its initial flight.[3] The A109 underwent an extensive flight testing period, largely due to the identification of dynamic instability issues that required about a year to address through transmission modifications.[4] Nearly four years later, in April 1975, the first production model was finalized. Subsequently, on 1 June 1975, the helicopter gained certification for visual flight rules (VFR) from the Federal Aviation Administration (FAA), authorizing its operation within North America.[1]
Production deliveries to civilian customers began in 1976. Compared to the then-dominant Bell 206, the A109 offered several benefits such as higher maximum speed, twin-engine safety redundancy, and greater passenger capacity.[1] In 1975, Agusta revisited military applications and conducted flight tests between 1976 and 1977 involving five A109As equipped with Hughes Aircraft-manufactured TOW missiles. These trials led to two distinct military variants: one designed for light attack and close air support roles and another optimized for maritime operations.[5]
Further development
Shortly after launching the initial production version, Agusta expanded its lineup with additional models primarily targeting civilian operators. In 1981, the A109A Mk2 was introduced featuring an enlarged cabin space.[6] Later, in 1993, the A109 K2 entered service powered by Turbomeca Arriel 1K1 engines. By 1996, Agusta unveiled the A109 Power, which closely resembled the K2 but was equipped with Pratt & Whitney Canada PW206 engines instead.[1] According to AgustaWestland data from 2008, the A109 Power was in use across 46 nations. An extended version named A109S Grand was launched in 2006.[1]
Following the merger of Finmeccanica and GKN's helicopter divisions Agusta and Westland Helicopters into AgustaWestland in July 2000, the model was rebranded as the AW109. Since the mid-1990s, fuselage production for this helicopter has been handled by PZL-Świdnik, which became part of AgustaWestland in 2010. By June 2006, PZL-Świdnik had delivered its 500th fuselage, marking a decade of collaboration on this program.[7] In addition, a joint venture formed in 2004 between AgustaWestland and China's Changhe Aircraft Industries Corporation facilitated local support and production of the AW109; by 2009, this partnership was capable of final assembly and independent manufacturing of major components like fuselages.[8]
In February 2014, AgustaWestland revealed plans for the AW109 Trekker variant featuring skid-type landing gear—the first twin-engine helicopter from the company to adopt such gear—and powered by twin FADEC-equipped Pratt & Whitney Canada PW207C engines. Its avionics suite is provided by Genesys Aerospace and designed to support single-pilot operation.[9] The Trekker enhances utility capabilities beyond those of earlier AW109 models.[10] As with previous variants, final assembly of the AW109 Trekker occurs at facilities located in both Italy and the United States.[1][11]
Design
The AW109 is a compact twin-engine helicopter distinguished by its swift performance, sleek design, and user-friendly handling.[1][12][13] Since its commercial debut, the model has undergone multiple updates and variants, often incorporating the latest in avionics and engine advancements. AgustaWestland has marketed the aircraft for its versatility across various roles and ease of maintenance. It enjoys considerable popularity among VIP and corporate clientele; AgustaWestland reports that half of all AW109 Power models have been purchased for these purposes. Additional applications include emergency medical services, law enforcement, homeland security operations, harbor pilot transport, search and rescue, maritime activities, and military deployment.[1] In 2008, AgustaWestland described the AW109 as "one of the industry’s best-selling helicopters".[1]
Various turboshaft engines have powered the different AW109 versions, ranging from the initial Allison 250-C14 units to more contemporary powerplants such as the Turbomeca Arriel 1K1 and Pratt & Whitney Canada PW206.[1] Engine replacements or upgrades can be executed during airframe overhauls, which often enhance lift capacity and other performance metrics. The aircraft is engineered to maintain a substantial power margin even when operating on a single engine in case of failure.[6] The engines operate a fully articulated four-blade rotor system.[14] Over time, advanced rotor blade technologies have been integrated into both main and tail rotors, including the substitution of bonded metal with composite materials,[15] aiming to lower operational expenses and reduce noise emissions. According to Rotor&Wing, this helicopter is recognized for its robust performance under demanding conditions such as high altitude, hot temperatures, and heavy loads.[1]
AgustaWestland states that the AW109 Power incorporates sophisticated avionics including a three-axis autopilot, an auto-coupled Instrument Landing System (ILS), integrated GPS, Moving Map Display, weather radar, and Traffic Alerting System.[16] These features are intended to lessen pilot workload (the AW109 supports both single- and dual-pilot operations under instrument flight rules (IFR)) and facilitate usage of night vision goggles (NVG) for missions conducted at any time.[17] The helicopter includes a forced trim mechanism that pilots can selectively activate via triggers on the cyclic and collective, maintaining control inputs at their last set positions when engaged.[1][14] Critical systems are designed with deliberate redundancy to ensure fail-safe operation; this encompasses dual-redundant hydraulic systems and actuators as well as electrical systems with triple-redundant power inverters.[6] Emphasis on component reliability also contributes to reduced maintenance demands throughout the AW109 lineup.[17]
Certain AW109 variants come equipped with a "quick convertible interior," enabling rapid reconfiguration of the cabin to suit diverse missions by installing or removing equipment like mission consoles or medical stretchers. Mission-specific gear can also be housed in an externally accessible baggage compartment that may be optionally expanded. Additional cabin options include soundproofing, air conditioning, and bleed air heating.[17] Third-party providers offer aftermarket cabin designs; notable examples include interiors styled by Pininfarina and Versace, while Aerolite Max Bucher has developed a lightweight emergency medical service setup.[1] Most AW109s feature retractable wheeled tricycle landing gear that enhances comfort compared to skids and allows taxiing capability.[12][13] For naval deployment, the wheeled undercarriage is reinforced, deck mooring points are installed along the lower fuselage, and extensive corrosion protection is typically applied.[18]
Available optional mission equipment includes dual flight controls, a rotor brake system, windshield wipers, fixed cargo hooks, snow skis, external loudspeakers, wire-strike protection devices, engine particle separators, fire extinguishers within the engine compartment, datalink capabilities, and rappelling attachments.[17] Weaponry options for the AW109 range from pintle-mounted machine guns and gun pods to 20mm cannons, rocket pods, anti-tank missiles, and air-to-air missiles.[18][19] The U.S. Coast Guard’s versions of the AW109—later designated as MH-68A—were outfitted with equipment including a rescue hoist, emergency flotation devices, forward-looking infrared (FLIR) systems, Spectrolab NightSun searchlights, a 7.62 mm M240D machine gun, and a Barrett M107 semi-automatic .50 caliber rifle equipped with a laser sight.[20]
Operational history
Several Italian military divisions have utilized different AW109 variants; notably, the Guardia di Finanza has operated a specialized AW109 model since the 1980s for customs enforcement and border surveillance. By 2010, efforts were underway to upgrade their fleet with the latest generation of AW109 helicopters.
In 1982, the Argentine Army Aviation deployed three A109A helicopters to the Falkland Islands amid the Falklands War. These aircraft supported reconnaissance and liaison tasks alongside a helicopter fleet that included nine UH-1H, two CH-47C, and two Pumas. One helicopter was destroyed on the ground during a British Harrier strike, while the remaining two were seized and transported to Europe aboard HMS Fearless. Subsequently, the British Army Air Corps incorporated these helicopters into domestic operations, operated by 8 Flight AAC to assist SAS regiment missions within the UK. Following positive operational feedback, two more A109s were procured; however, all were retired by 2009. The enhanced AW109E and SP – GrandNew models were employed by No. 32 Squadron of the Royal Air Force for transporting government officials, senior military leaders, and members of the British royal family.
In 1988, the Belgian Armed Forces acquired 46 A109 helicopters. Later investigations revealed that Agusta allegedly paid over 50 million Belgian francs to the Flemish Socialist Party as a bribe to secure this contract. This controversy culminated in the resignation and conviction of NATO Secretary General Willy Claes. Belgium also maintained an A109 display team. Early in 2013, two Belgian AW109s were deployed to Sévaré, Mali, conducting medical evacuation missions supporting the French-led Operation Serval. In June of that year, reports emerged alleging that several former Belgian military helicopters had been illicitly sold through a private firm to South Sudan, contravening a European Union embargo on arms sales.
During the 1990s, in an effort to combat drug smuggling via fast boats, the United States Coast Guard evaluated various armed aerial interdiction platforms and ultimately selected the AW109. For several years, eight armed AW109s designated MH-68A Sting Ray were leased from AgustaWestland and deployed both at land bases and aboard cutters. Positive operational experience led to plans for arming all Coast Guard helicopters; after adapting their existing fleet accordingly, the leased AW109s were returned upon lease expiration.
In September 1999, the South African Air Force ordered 30 AW109 units; of these, 25 were locally assembled by Denel Aviation beginning in 2003. Up to 16 SAAF AW109s were active during patrol, utility, and medical evacuation roles at the time of the 2010 FIFA World Cup. However, by July 2013, budget constraints had grounded 18 AW109s, with limited flight activity amounting to only 71 hours across the entire fleet that year. The aircraft's role appeared to be shifting toward VIP transport rather than frontline operational use. Discussions also considered selling some helicopters or discontinuing helicopter operations entirely.
In 2001, Sweden procured 20 AW109s for its armed forces under the designation Hkp 15. By 2010, these helicopters faced substantial operational demands partly due to delays in receiving the NHIndustries NH90. In early 2015, two Swedish AW109s embarked on their inaugural deployment aboard a foreign vessel—the Royal Netherlands Navy's ship HNLMS Johan de Witt—supporting a multinational anti-piracy operation off Somalia’s coast. Over three months, these helicopters reportedly maintained full availability.
Between 2007 and 2012, the Royal Australian Navy leased three AW109E Power helicopters for naval aircrew training purposes.
In May 2008, the Royal New Zealand Air Force ordered five AW109LUH rotorcraft intended to replace their aging Bell 47 Sioux trainers; these helicopters also fulfill utility roles alongside larger NH90 models and have occasionally been used for VIP transport.
In August 2008, pilots Scott Kasprowicz and Steve Sheik set a new round-the-world speed record flying a standard factory-configured AgustaWestland AW109S Grand, completing their journey in 11 days, seven hours, and two minutes. The AW109S Grand is also recognized as holding the fastest helicopter flight time between New York and Los Angeles.
Starting in 2013, both the Philippine Air Force (PAF) and Philippine Navy placed separate orders for batches of AW109 Power helicopters; further acquisitions followed in 2014. The PAF employs its AW109s primarily as armed gunships, while both armed and unarmed versions are operated by the Philippine Navy. During the Battle of Marawi, several PAF AW109s actively engaged ISIS-linked Maute Group forces. In November 2020, a PAF AW109 participated in a joint operation conducted by the Armed Forces of the Philippines Joint Task Force - Sulu targeting Abu Sayyaf kidnappers in northern Mindanao; it provided fire support alongside strafing attacks from Philippine Navy Multipurpose Assault Craft. The Philippine Naval Air Wing’s AW109 also played an integral role during Exercise KAMANDAG 2025 at Camp Cape Bojeador in Ilocos Norte by supporting Ground-Based Anti-Ship Missile (GBASM) raid training exercises.
Variants
- A109A
- The initial production variant, equipped with two Allison Model 250-C20 turboshaft engines, which first took to the air on 4 August 1971. Originally branded as "Hirundo" (Latin for swallow), this designation was discontinued after several years.
- A109A EOA
- Military adaptation designed for use by the Italian Army.
- A109A Mk.II
- Enhanced civilian model derived from the original A109A.
- A109A Mk.II MAX
- Aeromedical evacuation configuration based on the A109A Mk.II, featuring a notably wider cabin and access doors hinged both at the top and bottom rather than sideways.
- A109B
- Proposed military variant that was never constructed.
- A109BA
- Belgian Army version, developed from the A109C but modified with fixed landing gear, sliding doors, and a tail rotor guard replacing the lower tail fin.
- A109C
- Civilian model accommodating eight passengers, powered by two Allison Model 250-C20R-1 turboshaft engines.
- A109C MAX
- Aeromedical evacuation model based on the A109C, incorporating an extra-wide cabin and access doors hinged at top and bottom instead of sideways.
- A109D
- Single prototype produced only once.
- A109E Power
- Upgraded civilian variant initially powered by two Turbomeca Arrius 2K1 engines, with an option introduced later for twin Pratt & Whitney PW206C engines; both engine configurations are designated as A109E.
- A109E Power Elite
- Extended cabin version of the A109E Power featuring a glass cockpit with dual pilot instrument sets and navigation systems, including a three-axis autopilot, auto-coupled Instrument Landing System, and GPS capabilities.
- A109LUH
- The military Light Utility Helicopter (LUH) variant based on the A109E Power. Current operators include South African Air Force, Swedish Air Force, Royal New Zealand Air Force, Nigerian Air Force, Algeria, and Malaysia. In Swedish service, it is designated Hkp15A for utility roles and Hkp15B for shipborne search and rescue missions.
- MH-68A Stingray
- Eight units of the A109E Power were operated by the United States Coast Guard's Helicopter Interdiction Tactical Squadron (HITRON Jacksonville) as short-range armed interdiction helicopters between 2000 and 2008 before being replaced by MH-65C Dolphins. Initially dubbed "Mako" by Agusta, the U.S. Coast Guard officially named them MH-68A Stingray in 2003. These helicopters were outfitted with armaments including M-16 rifles, M-240 machine guns, and MC-50 rifles equipped with laser sights. Night operations were supported using ANVIS-9 Night Vision Goggles integrated with ANVIS-7 heads-up display (HUD) systems.
- A109K
- Military-specific model.
- A109K2
- Version optimized for high-altitude and high-temperature environments, featuring fixed landing gear instead of the retractable type found on most A109 variants. Commonly utilized by police forces, search and rescue teams, and air ambulance services.
- A109M
- Military configuration.
- A109 km
- Military model tailored for high-altitude and hot climate operations.
- A109KN
- Navalized version adapted for maritime use.
- A109CM
- Standard military configuration.
- A109GdiF
- Variant designed specifically for Italy’s Guardia di Finanza, the national finance police force.
- A109S Grand
- Marketed as AW109 Grand, this civilian model features an extended cabin and upgrades powered by two Pratt & Whitney Canada PW207 engines, along with lengthened main rotor blades that have a distinct tip design compared to the Power version.
- AW109SP
- AW109 GrandNew
- Equipped for single-pilot IFR operations with advanced systems such as Terrain Awareness and Warning System (TAWS) and Enhanced Vision System (EVS), particularly suited for EMS missions.
- AW109 Trekker
- Variant derived from the AW109S Grand but fitted with fixed landing skids instead of retractable gear.
- CA109
- Chinese-manufactured version of the AW109E intended for Mainland China’s market produced by Jiangxi Changhe Agusta Helicopter Co., Ltd., a joint venture between Leonardo Helicopter Division (formerly AgustaWestland) and Changhe Aviation Industries Corporation established in 2005.
Operators
The AW109 helicopter is utilized by a diverse set of users, including private enterprises, military branches, emergency response units, and air charter services.
Military and government operators
- Belgian Air Component – procurement was affected by a bribery scandal
- Government of Uttar Pradesh – received one AW109S Grand in 2010
- Polizia di Stato
- Carabinieri
- Guardia di Finanza
- Italian Army – retired the type on 14 October 2021
- Vigili del Fuoco
- State Forestry Corps
- Slovenian Air Force
- Slovenian Ministry of Defence – procured one A109 Power helicopter
- Slovenian Police
- South African Air Force
- Transnet National Ports Authority – operates AW109SPs for port-related tasks
- Turkmen Air Force – publicly released footage showing AW109 helicopters during live-fire exercises
Former military and government users
- The Argentine Army operated a fleet of 9 helicopters between 1979 and 2007.
- The Royal Australian Navy utilized 3 units from 2007 until their retirement in 2012.
- The Italian Air Force maintained a squadron of 3 aircraft during its service period.
- The Paraguayan Air Force included these helicopters in their inventory.
- Air ambulances in Poland employed this model for medical evacuation missions.
- The Army Air Corps operated these helicopters within their aviation units.
- The Royal Air Force also incorporated this type into their fleet.
- The United States Coast Guard deployed the MH-68A Stingray variant for various missions.
- The Venezuelan Army utilized the Agusta A109 in their aviation branch.
Accidents
- On 20 November 2009, an AW109E Power operated by Air ambulances in Poland was involved in a crash during its landing phase.
- During the Vauxhall helicopter crash on 16 January 2013, an AW109 charter flight collided with a construction crane attached to the St George Wharf Tower in Vauxhall, London. The helicopter subsequently crashed and caught fire, resulting in the deaths of both the pilot and a bystander. The aircraft was completely destroyed, and the crane sustained significant damage.
- In the 2018 Puebla helicopter crash on 24 December 2018, an AW109 departing from an airport near Puebla en route to Mexico City crashed approximately 3.5 miles north of the departure point. This tragic accident claimed the lives of Governor Martha Érika Alonso and former Governor Rafael Moreno Valle Rosas.
- On September 26, 2021, an AW109E Power with serial NH435 belonging to the Philippine Navy crashed at Cagayan North International Airport in Lal-lo, Cagayan. Fortunately, there were no casualties reported.
- On December 5, 2024, another AW109E Power from the Philippine Navy, serial NH432, experienced a crash landing on the runway of Danilo Atienza Air Base located in Cavite City. All personnel on board survived without injury.
Exhibited
- Corpo Forestale's A109A exhibited within the zoological park of Rome.
- A109A showcased at the Fleet Air Arm Museum in Yeovil, England. This helicopter, previously designated AE-331 and operated by the Argentine Army Aviation, was seized during the Falklands War.
- A109A displayed at the South Yorkshire Aircraft Museum in Doncaster. The aircraft (ZE413) was operated by 8Flt AAC, serving as a dedicated transport unit for 22 SAS.
Technical Details (AW109 Power equipped with PW206C) – 2850 Kilogram Model
Noteworthy Media Features
Related topics
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Footnotes
- ↑ 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 1.11 1.12 Ernie Stephens and James T. McKenna. "Operators’ Report: Fast, Beautiful Flier." Archived 4 April 2016 at the Wayback Machine Rotor & Wing, 1 May 2008.
- ↑ Air International October 1978, pp. 160–161.
- ↑ Air International October 1978, p. 161.
- ↑ Moll 1992, p. 68.
- ↑ "AgustaWestland makes its mark with technology and innovation." Archived 23 February 2015 at the Wayback Machine Professional Pilot, July 2012.
- ↑ 6.0 6.1 6.2 McClellan 1989, p. 38.
- ↑ Lua error in Module:Citation/CS1/Configuration at line 2123: attempt to index field '?' (a nil value).
- ↑ Cliff, Ohlandt and Yang 2011, p. 59.
- ↑ Huber, Mark. "AgustaWestland sees Latin America in “positive climb.”" Archived 8 August 2015 at the Wayback Machine AIN Online, 7 August 2015.
- ↑ Thurber, Mark. "AgustaWestland Enjoys Steady Growth in European Market." Archived 26 July 2015 at the Wayback Machine AIN Online, 20 May 2014.
- ↑ Bergqvist, Pia. "AgustaWestland Unveils Skid-Equipped AW109 Trekker." Archived 6 August 2014 at the Wayback Machine Flying Magazine, 27 February 2015.
- ↑ 12.0 12.1 McClellan 1989, p. 34.
- ↑ 13.0 13.1 Cite error: Invalid
<ref>tag; no text was provided for refs namedmoll 70 - ↑ 14.0 14.1 McClellan 1989, p. 37.
- ↑ Moll 1992, p. 64.
- ↑ Lua error in Module:Citation/CS1/Configuration at line 2123: attempt to index field '?' (a nil value).
- ↑ 17.0 17.1 17.2 17.3 "AW109 Power: Law Enforcement."Template:Fix/category[permanent dead link] AgustaWestland, Retrieved: 18 October 2015.
- ↑ 18.0 18.1 "PN inspects 2 attack choppers." Archived 4 March 2016 at the Wayback Machine Manila Standard, 23 May 2015.
- ↑ "AW109 LUH: The cost-effective force multiplier." Archived 16 May 2017 at the Wayback Machine AgustaWestland, Retrieved: 22 October 2015.
- ↑ Lua error in Module:Citation/CS1/Configuration at line 2123: attempt to index field '?' (a nil value).
Reference works
- "The A-109A – Agusta's Pace-Setter". Air International, October 1978, Vol. 15 No. 4. pp. 159–166, 198.
- Cliff, Roger. Chad J. R. Ohlandt and David Yang. Ready for Takeoff: China's Advancing Aerospace Industry. "Rand Corporation", 2011. ISBN 0-8330-5208-X.
- Barrie, Douglas. "Air Forces of the World". Flight International, 10–16 September 1997, Vol. 152 No. 4591. pp. 35–71.
- Hoyle, Craig. "World Air Forces Directory". Flight International, 13–19 December 2011, Vol. 180 No. 5321. pp. 26–52.
- McClellan, J. Mac. "Agusta A109 Mk II Plus". Flying, February 1989. Vol. 116. No. 2. ISSN 0015-4806. pp. 34–38.
- Moll, Nigel. "Agusta A109A: City Slicker". Flying, April 1992. Vol. 119. No. 4. ISSN 0015-4806. pp. 62–70.
Additional literature
- El Agusta A109 del CAECOPAZ – Aviones en Argentina, published 13 June 2021, accessed 17 July 2022 (Spanish)
- Golondrinas del Ejército – Roll Out, dated 18 November 2021, accessed 17 July 2022 (Spanish)
External resources
- Official AW109 Power page at Leonardo
- Leonardo’s GrandNew product page
- Overview of A109S on BlueSkyRotor
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