Question: Which aircraft maker is based in Stans, Switzerland and manufactures the PC-6 Porter?

Context paragraphs:
AEKKEA-RAAB: The history of AEKKEA ("Anonymos Etaireia Kataskevis Kai Ekmetallefseos Aeroplanon" - "Societe Anonyme Pour la Fabrication et l'Exploitation des Avions Raab"), an aircraft maker based in Greece, is connected with the history of a talented German aircraft designer, Antonius Raab (his first name alternatively known as Antonios, in Greek, and Antonio, in Spanish after his involvement in Spain).

Mimika Air Flight 514: Mimika Air Flight 514 was an 18 minutes chartered passenger flight using a Pilatus PC-6 Porter operating a Mimika Air flight from Mulia to Ilaga (Papua).  On the morning of 17 April 2009, while en route to Ilaga, the aircraft impacted Mount Gergaji, killing all eleven passengers and crews on board.

Pilatus Aircraft: Pilatus Aircraft Ltd. is an aircraft manufacturer located in Stans, Switzerland.  In June 2016, the company employed 1,905 people.

Fairchild AU-23 Peacemaker: The Fairchild AU-23 Peacemaker was an American armed gunship, counter-insurgency, utility transport version of the Pilatus PC-6 Porter for the United States Air Force.  A total of 15 were built under license in the United States by Fairchild Industries, for use during the Vietnam War in the early 1970s.  All aircraft were later sold to the Royal Thai Air Force.

Nidwalden: The Canton of Nidwalden (] ) is a canton of Switzerland.  It is located in the centre of Switzerland.  The population is 40,287 (in 2007) of which 4,046 (or 10%) are foreigners.  The capital is Stans.

Advanced Aerodynamics and Structures Inc.: AASI or Advanced Aerodynamics and Structures Inc (originally ASI, Aerodynamics and Structures Inc.) was an aircraft maker, headquartered in Long Beach, California.  The company was financed by US based Business Tycoon Late Hameed Hamza and co-owned by Darius Sharifzade and Huzefa H. to develop and manufacture a line of business aircraft of unconventional configuration, the Jetcruzer.

RPG Maker VX: RPG Maker VX (RPGツクールVX , RPG Tsukūru VX ) is a version of PC program RPG Maker series.  It has been superseded by "RPG Maker VX Ace", which is an improved and enhanced version of RPG Maker VX.  Both "RPG Maker VX" and "RPG Maker VX Ace" are developed by Enterbrain, following its predecessor, RPG Maker XP.  RPG Maker VX follows the naming pattern present in previous RPG Maker releases by having a suffix based on the Windows versions the software was designed for (in this case, Windows Vista and Windows XP).

K-9 (missile): The Raduga K-9 (NATO reporting name AA-4 'Awl') was a short-range air-to-air missile developed by the Soviet Union in the late 1950s.  It was designed by MKB Raduga, a division of aircraft maker Mikoyan-Gurevich.  The K-9 was also known as the K-155, and would apparently have had the service designation R-38.  It was intended to arm the Mikoyan-Gurevich Ye-152A (NATO reporting name 'Flipper'), an experimental high speed twin-engine aircraft, predecessor to the Mikoyan-Gurevich MiG-25 'Foxbat'.  When the Ye-152A was shown at Tushino in 1961, a prototype of the K-9 missile was displayed with it.

Light Wing AC4: The Light Wing AC4 is a Swiss ultralight and light-sport aircraft, designed by Hans Gygax and produced by Light Wing AG of Stans.  The aircraft was publicly introduced at the AERO Friedrichshafen show in 2013.  It is supplied complete and ready-to-fly.

Pilatus PC-6 Porter: 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.

Supporting paragraphs: Pilatus PC-6 Porter Pilatus Aircraft
Answer: Pilatus Aircraft