page_title: Eurocopter AS350 Écureuil
section_title: Operational history
hierarchical_section_title: Eurocopter AS350 Écureuil / Operational history
caption_attribution_description: English: French Gendarmerie rescue helicopter taking off on the Massif du Sancy mountains (France). Helicopter type: Eurocopter AS 350 Écureuil (aka "Squirrel"). Camera: Canon Powershot A510, 3 Megapixels picture (cropped and edited) Français&#160;: Hélicoptère de secours de la gendarmerie française en action sur le Massif du Sancy (France)
context_page_description: The Eurocopter AS350 Écureuil, now Airbus Helicopters H125, is a single-engine light utility helicopter originally designed and manufactured in France by Aérospatiale and Eurocopter. In North America, the AS350 is marketed as the AStar. The AS355 Ecureuil 2 is a twin-engine variant, marketed in North America as the TwinStar. The Eurocopter EC130 is a derivative of the AS350 airframe and is considered by the manufacturer to be part of the Écureuil single-engine family.
context_section_description: On 14 May 2005, an AS350 B3 piloted by Eurocopter test pilot Didier Delsalle touched down on the top of Mount Everest, at 8,848 m (29,030 ft), a record that has been confirmed by the Fédération Aéronautique Internationale. On 29 April 2010, a stripped-down AS350 B3 rescued three Spanish alpinists, one at a time, from the slopes of Annapurna I, Nepal at an altitude of 6,900 m (22,640 ft); this set a new record for the highest such rescue. The record was increased to 7,800 m (25,590 ft), during the rescue of Sudarshan Gautam between Camps III & IV in Everest's Yellow Band on the morning of 20 May 2013. On 2 June 2014, an AS350 B3e broke a national record in Mexico by successfully landing on the peak of Pico de Orizaba, at 5,636 metres, the nation's tallest mountain.
  The AS350 AStar has been successful in the US market, having become the most popular helicopter platform in use with American governmental agencies, law enforcement being a typical use of the type, by 2015. By 1999, the AS350 had become the prime helicopter being used by the United States Customs Service for light enforcement operations; by 2007, the agency had become the single largest operator of the type in the world. By 2012, out of the 3,300 AS350s in operation across the world, 783 of them were in service with American-based operators.
  In the Russian market since 2006, the AS350 and other helicopters built by the manufacturer have been sold and supported by wholly owned subsidiary Eurocopter Vostok; UTair Aviation soon emerged as the largest Russian operator of the AS350 B3e with a fleet of at least 20 of the type.
  In December 2014, EASA validation was issued for Airbus Helicopters China to conduct training and support activity at their facility in Shenzhen, China; various components of the AS350 (such as the main and tail gearboxes) are now maintained locally. On 9 September 2015, China's first helicopter leasing company, CM International Financial Leasing Corp Ltd (CMIFL), placed an order for 100 Ecureuil-series helicopters, these are to be a mix of H125 and H130 helicopters.
  Brazil has been an extensive operator of the AS350; by 2011 more than 300 helicopters were operating in the country, including from the flight deck of the Brazilian aircraft carrier São Paulo. Since 1984, the Brazilian Navy has used AS350s to support the Brazilian Antarctic Program. Helibras, a wholly owned subsidiary of Eurocopter, operates in the country; of the 600 helicopters it had domestically manufactured for the Brazilian market by 2012, 70% were AS350s. In January 2011, Helibras signed a contract with the Brazilian Army to substantially upgrade and refurbish their existing fleet of 36 AS350 Ecureuils.
  In the United Kingdom, the Defence Helicopter Flying School has operated 26 AS350, designated Squirrel HT1, for the training of pilots of Britain's armed forces; the type was introduced from 1997 onwards as a replacement for the Aérospatiale Gazelle. In September 2014, the UK's Ministry of Defence issued a request for proposals to replace the Squirrel HT1; Airbus Helicopters has already announced its intention to offer a mixed fleet of Eurocopter EC130s and Eurocopter EC135s in response. Since May 1984, the Royal Australian Navy's Fleet Air Arm has operated a fleet of AS350s, these were upgraded to the AS350 BA standard in 1995; the Royal Australian Air Force had previously operated the AS350 for training purposes, and briefly for search and rescue missions, but these were later transferred to the Australian Army.
  Between June 2007 and December 2007, the Danish Air Force operated a deployment of four AS350 helicopters at Basra International Airport, Iraq, to perform liaison and reconnaissance missions in support of coalition forces during the Iraq War. In June 2015, the Argentine Defense Ministry ordered 12 H125s to replace their 1970s era Aérospatiale SA 315B Lamas for para-public support missions, such as search and rescue operations, inside Argentina.
caption: French Gendarmerie AS350, 2005
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