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UK Military version of the Airbus Helicopters EC135 T3H, used to train helicopter crews from the Royal Navy, British Army and Royal Air Force.

The Juno HT Mk1 is used by No 1 Flying Training School. Equipped with advanced avionics, night-vision capabilities, and synthetic training tools, it prepares crews for tactical missions and real-world scenarios, including night flying and underslung load operations.

Role

The Airbus H135 (Juno HT Mk1) is used by No 1 Flying Training School to train helicopter crews for the Royal Navy, British Army, and Royal Air Force under the UK Military Flying Training System (UKMFTS). It also supports the Central Flying School (Helicopters) by providing instructor training, with courses offered at RAF Shawbury and RAF Valley since April 2018 through Ascent Flight Training.

Technical Specifications

Specifications

Capability

The Juno HT Mk1 is the UK military version of the Airbus EC135 T3H, with a fleet of 29 helicopters used to train new pilots and rear crew under the UK Military Flying Training System (UKMFTS). Trainees learn essential skills like low-level tactical flying, night flying with Night Vision Devices, and underslung load techniques for real-world missions.

The Juno’s advanced Helionix avionics system includes multi-function touch-screen displays, helping trainees transition smoothly to frontline aircraft. Training combines live flights with synthetic simulations, with about 50% of training conducted on advanced simulators. The Juno can also be fitted with specialized equipment, such as the MX10 camera for tactical observation and a load beam for carrying underslung loads.

Based at

Flying with

Roles

Pilot

History of the Juno HT Mk1

In 1988, MBB flew the BO108 technology demonstrator to eventually replace the BO105. After DASA acquired MBB and made design updates like adding a Fenestron tail, the prototype evolved into the EC135, which first flew in 1994.

Now known as the H135 (Juno HT1), this helicopter has become popular with military and civilian users for its performance and quiet operation. Selected by Ascent for UK military training in 2016, 29 Juno HT1s were delivered, with the first arriving at RAF Shawbury in April 2017. The Juno HT1 was officially cleared for training flights in May 2018.

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