text: Eurocopter designed the EC155 originally with three configurations, however, another two configurations were added in 2005. The Passenger Transport version can carry 12 passengers in comfort seats or 13 passengers in utility seats, along with 1 or 2 crew. The VIP or Corporate Transport version has a VIP lounge with working space accommodating up to 8 executives. The Casualty Transport version can carry 2 stretchered patients with up to 4 seated medical staff, or 4 patients on stretchers plus 2 seated medical staff. The configurations added in 2005 were for offshore operation and police and parapublic missions ranging from patrol, airborne surveillance, SAR and EMS, the helicopter being fitted with specific mission equipment for these duties.
  Variants
  EC155 – The first prototype, built from modifying an existing Dauphin airframe.
  EC155 B – The first production version, powered by two Turbomeca Arriel 2C1 turboshaft engines.
  EC155 B1 – An uprated model equipped with two Turbomeca Arriel 2C2 turboshaft engines and higher M.T.O.W., offering enhanced hot and high performance
  AS565 UC – Designation of early military derivative study
  LCH/LAH – Improved type development by Korea Aerospace Industries. The LCH will enter service in 2020, and the LAH in 2022.
  Operators
  The aircraft is operated by private individuals, companies and charter operators. It is also operated by government organisations and as an offshore transport for the gas and oil industry.
  Shanghai Municipal Police
  Dominican Republic Air Force
  Bundespolizei
  NRW Police
  Government Flying Service
  Royal Thai Police
  University of Michigan Survival Flight
  University of Florida ShandsCair
  Vietnam Helicopter Corporation