page_title: Pilatus PC-6 Porter
section_title: Design
hierarchical_section_title: Pilatus PC-6 Porter / Design
caption_attribution_description: English: Cockpit of Pilatus PC-6 Turbo-Porter, Molinella, Emilia Romagna, Italia.
context_page_description: The Pilatus PC-6 Porter is a single-engined STOL utility aircraft designed by Pilatus Aircraft of Switzerland. First flown in 1959, the PC-6 continues in production at Pilatus Flugzeugwerke in Stans, Switzerland. It has been built in both piston engine- and turboprop-powered versions and was produced under licence for a time by Fairchild Hiller in the United States.
  After around 600 deliveries in six decades, Pilatus produced the last one in early 2019.
context_section_description: The Pilatus PC-6 Porter is a Short Takeoff and Landing (STOL) utility aircraft. The majority of aircraft are powered by a single Pratt & Whitney Canada PT6A turboprop engine, which drives a fully reversible, constant-speed, three-bladed HC-B3TN-3D (or an alternative four-bladed HC-D4N-3P unit) Hartzell aluminium propeller via a reduction gearbox. Pilatus claims that it possesses unique STOL capabilities, capable of landing in places only otherwise accessible by rotorcraft. It is fully capable of being operated from unprepared rough airstrips, in remote areas, hot climates and at high altitudes in all-weather conditions. In particular, the undercarriage employed provides for high wing and propeller clearances, making the PC-6 less susceptible to damage than conventional nosewheel-type undercarriages. For further landing versatility, various types of landing gear may be optionally installed allowing it to operate from different types of terrain; options include floats for water landings and skis for landing on snow.
  Early models of the PC-6 were equipped with a full instrument panel as standard, and were reportedly easy for unfamiliar pilots to intuit. Later-manufactured PC-6s are equipped with a Garmin G950 glass cockpit in place of analog instrumentation; the majority of earlier-produced PC-6s can also be retrofitted with a glass cockpit. In addition to its flight functionality, the G950 system acts as a remote maintenance unit and electronic flight bag all in one. Two large 10.4-inch liquid-crystal displays (LCDs) are present, functioning as the Primary Flight Display for all key flight information and the Multi-function Display for system/mission management respectively; fully independent secondary flight instrumentation is also provided to provide backup altitude, attitude, and airspeed information in the event of complete electrical failure. The cockpit has been designed for single pilot operations; additional flight controls for a co-pilot can be optionally fitted. Other optional features include an autopilot (capable of operating within all phases of flight), traffic collision avoidance system (TCAS), terrain awareness and warning system (TAWS), weather radar, satellite phone, LIDAR, forward-looking infrared (FLIR) and lightning detector; in addition, onboard electrical and avionics equipment are readily modifiable to conform with customer requirements.
  The airframe is of a rugged and low-maintenance construction; featuring high levels of accessibility, interchangeability, and favourable manning levels. The wings, fuselage, and empennage are manufactured using conventional semi-monocoque construction techniques, the primary structure being composed of aluminium; the central structure retains critical strength despite the cutout areas for the sliding doors of the main cabin. Corrosion resistance is achieved via a combination of plating and a polyurethane-based enamel paint. The simple nature of the structure allows for ease of repair in the field. Features such as low-pressure tyres, twin-caliper disc brakes, and a highly energy-absorbent undercarriage enable the aircraft to be capable of operating from rough or otherwise challenging terrain.
  For role flexibility, individual aircraft can be easily converted between various mission types, such as transport, paradrop, aerial photography, surveillance, air medical services and search and rescue duties. A maximum of ten passengers, or a 2,200 lb payload, may be carried within the aircraft's main cabin area within the rear section of the fuselage; the standard passenger seats are designed to allow for rapid removal and may be stowed within an optional separate externally-accessed seat stowage compartment behind the main cabin. The main cabin area is furnished with soundproofing measures, ventilation, and heating as standard. A maximum of three fuel tanks can also be carried in the main cabin, accordingly reducing payload capacity, to increase the aircraft's flight endurance. In addition to the large sliding doors at either side of the main cabin, separate hinged doors ar
caption: Analog cockpit instrumentation of a PC-6, 2007
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