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Eurocopter EC135

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The Eurocopter EC135 is a twin-engine civil helicopter produced by Eurocopter GmbH. It is capable of flight under instrument flight rules (IFR) and is outfitted with digital flight controls. It entered service in 1996; over a thousand aircraft have been produced to date. It is widely used by police and ambulance services and for executive transport; by 2013, more than 500 EC135s were providing helicopter emergency medical services across the world. While the EC135 is primarily used by civil operators, a combat-capable military-orientated variant of the EC135, designated as the Eurocopter EC635, has also been produced.

Variants[]

  • EC135 P1: Powered by two 463 kW (621 shp) Pratt & Whitney Canada PW206B (ratings correspond to Take-Off Power (TOP)). Later versions have the Center Panel Display System (CPDS). Initial maximum take-off weight (MTOW) of 2,630 kg (5,798 lbs), later raised to 2,720 kg (5,997 lbs) and then 2,835 kg (6,250 lbs).
  • EC135 T1: Powered by two 435 kW (583 shp)(TOP rating) Turbomeca Arrius 2B1/2B1A/2B1A1. Later versions have the CPDS. Initial MTOW of 2,630 kg (5,798 lbs), later raised to 2,720 kg (5,997 lbs) and then 2,835 kg (6,250 lbs).
  • EC135 P2: Powered by two 463 kW (621 shp) (TOP rating) Pratt & Whitney Canada PW206B2. Increased thermodynamic and mechanic OEI ratings (128% OEI torque). Replaced EC135 P1 in production in August 2001.
    • EC135 P2+ (Marketing name EC135 P2i): Latest current production version with 498 kW (667 shp) PW206B2 (new power ratings based on a FADEC software upgrade), plus a 2,910 kg (6,415 lbs) MTOW upgrade, extended component time between overhaul (TBOs), and a change in the main transmission lubricating oil. Built in Germany and Spain.
    • EC135 P2+ (Marketing name EC135 P2e): Marketing designation of aircraft with increased MTOW of 2,950 kg (6,504 lbs) within restricted flight envelope.
  • EC135 T2: Powered by two 452 kW (606 shp) (TOP rating) Turbomeca Arrius 2B2. Increased thermodynamic and mechanic OEI ratings (128% OEI torque). Replaced EC135 T1 in production in August 2002.
    • EC135 T2+ (Marketing name EC135 T2i): Latest current production version with 473 kW (634 shp) Arrius 2B2 engines (new power ratings based on a FADEC software upgrade), plus a 2,910 kg (6,415 lbs) MTOW upgrade, extended component TBOs, and a change in the main transmission lubricating oil. Built in Germany and Spain.
    • EC135 T2+ (Marketing name EC135 T2e): Marketing designation of aircraft with increased MTOW of 2,950 kg (6,504 lbs) within restricted flight envelope.
  • EC135 P3: Powered by two 528 kW (708 shp) (TOP rating) PW206B3 engines (new power ratings based on a FADEC software upgrade), plus a 2,980 kg (6,570 lbs) MTOW upgrade, and significant increased OEI, Cat A, and hot/high performance. Market introduction in 2014.
  • EC135 T3: Powered by two 492 kW (660 shp) (TOP rating) Arrius 2B2Plus engines (new power ratings based on a FADEC software upgrade), plus a 2,980 kg (6,570 lbs) MTOW upgrade, and significant increased OEI, Cat A, and hot/high performance. Market introduction in 2014.
  • Eurocopter EC635/H135M/CH-165: Military variant development to meet a Portuguese Army requirement for a fire support and medical evacuation helicopter. In service in Afghanistan, Canada, Jordan, Portugal, and Switzerland.
  • TH-135: Military training variant developed from the EC135 T2+.
  • ACH135: Corporate variant of the H135.

Users[]

See Also[]

Related Development[]

Comparable Aircraft[]

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