JMB Pilatus PC-21
1/4 scale
2880mm long
2400mm wingspan
Kingtech K60 turbo prop
Kingtech telemetry
Electric retracts
Power box Mercury with duel battery redundancy and telemetry
Duel Futaba RXs
Power box Smoke pump
Full navigation lighting system
4lt Fuel
2lt Smoke tank
Wood covered construction with split fus for easy transport/storage,

The Pilatus PC-21 is a turboprop-powered advanced trainer with a stepped tandem cockpit. It is manufactured by Pilatus Aircraft of Switzerland.

Top speed : 685 km/h
Range : 1,333 km
Cruise speed : 593 km/h
Engine type : Pratt & Whitney Canada PT6
Status : Active service
First flight : 1 July 2002
Manufacturer : Pilatus Aircraft

The Pilatus PC-21 is an advanced single-engine trainer aircraft; it is often referred to by Pilatus as being the "Twenty-first Century Trainer". The type can be applied for various training capacities, including basic flying training, advanced flight training, full mission management training, and embedded simulation/emulation. In order to perform these functions, the aircraft possesses a powerful, flexible, and cost-effective integrated training system; providing sufficient ease of use for inexperienced pilots while posing greater challenge to advanced pilots. According to Pilatus, upon product launch, the PC-21 possessed "superior aerodynamic performance when compared with any other turboprop trainer on the market".

The aircraft features a tandem-seating arrangement (student in front/instructor behind) in a bird strike-resistant glass canopy with allround vision. The cabin, which is pressurized, is equipped with an On-Board Oxygen Generation System (OBOGS), air conditioning, and Martin-Baker CH16C Zero-Zero ejection seats. The flight controls, which are fully balanced and harmonized, are optimized for ease of operation and overall effectiveness. An anti-g system is also present in order to minimize the effects of high g-forces experienced during tactical training and aerobatic maneuvers. Pilots are able to spend a greater amount of time concentrating on the aircraft's external situation and upon mission data inputs due to an ergonomic design approach, ease-of-use controls, and clear visual/system data displays. In addition, a full autopilot and civil flight management system are also present.

The PC-21 is powered by a single Pratt & Whitney Canada PT6A-68B turboprop engine of 1,600 shaft horse power, which drives a five-bladed graphite scimitar propeller manufactured by Hartzell; it has been claimed by Pilatus that the PC-21 possesses speed and climb rates previously normally performed only by jet-powered aircraft. It is also fitted with a high-speed profile wing, rated for maneuvers up to 8g, complete with hydraulically-assisted ailerons and spoilers which enable the execution of fighter-like rates of roll and other maneuvers. In order to make the aircraft easy to fly at low speeds, crucial to the advanced trainer role, the PC-21 is furnished with a digital power management system and the rudder control system is equipped with an automatic yaw compensator/suppression system to compensate for airspeed and engine power changes.

A key feature of the PC-21 is the embedded simulation and training suite, which provides cross-platform cockpit emulation, weapons simulation, stores management system, simulated radar and electronic warfare, a tactical situation display, and data link functionality. Key to this is the Mission Support System (MSS), which comprises the Mission Planning System (MPS) and Mission Debriefing System (MDS); data can be loaded and unloaded from these, which is compatible with ground-based stations for pre-flight configuration or post-mission analysis. The integrated mission computer is of an open architecture, allowing for third-party modifications and upgrades to take place; software can also be customized to conform to customer preferences.Critical and non-critical software are also deliberately separated.

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