Question: PlaneSense is a fractional aircraft ownership program managed by PlaneSense, Inc. and based in Portsmouth, New Hampshire, as of the beginning of 2016, they manage a civilian fleet of 36 total program aircraft, made up of thirty-four Pilatus PC-12 aircraft, a a single-engine turboprop passenger and cargo aircraft, manufactured by which organization?
Context: Surf Air is a California-based commuter airline that offers unlimited flight service for a fixed monthly fee.  It charges $1,950 per month plus a $1,000 signup fee.  The company uses Pilatus PC-12 aircraft.  Sudhin Shahani is the CEO.  The airline's inaugural service in early 2013 offered West Coast flights between Silicon Valley (San Carlos Airport) and the Los Angeles area (Burbank Airport).  It added Los Angeles area service to Santa Barbara Airport in July 2013 and Hawthorne Municipal Airport in December 2013.  Truckee Airport, near Lake Tahoe, was added as a destination in May 2014 and flights to Carlsbad and Oakland, California began in late 2014.  Service to San Jose International Airport was added in April 2016.  Weekend service to Las Vegas began in June 2017. The Cessna Denali, previously known as the Textron Single Engine TurboProp (SETP), is a single engine turboprop aircraft under development by Cessna, announced at EAA AirVenture Oshkosh 2015.  The aircraft is a completely new design, not derived from any existing aircraft.  It should compete with the Pilatus PC-12 and Daher-Socata TBM, as well as other new projects such as the One Aviation Kestrel K-350 and the CAIGA Primus 150. AirSprint is a Canadian company that offers fractional ownership and management of private business turboprop and jet aircraft.  AirSprint was founded in 2000 as the first Fractional Aircraft Ownership company in Canada by current Chairman and CEO Judson Macor. The Pilatus PC-9 is a single-engine, low-wing tandem-seat turboprop training aircraft manufactured by Pilatus Aircraft of Switzerland.  Designed as a more powerful evolution of the Pilatus PC-7, the PC-9's first flight was made in May 1984 after which certification was achieved in September 1985.  After this, the first production orders for the type were received from the Royal Saudi Air Force, with deliveries commencing in 1985.  Since then, more than 250 airframes have been produced across five different variants and the type is employed by a number of military and civilian operators around the world, including the Swiss Air Force, the Royal Australian Air Force, and the Royal Thai Air Force. PlaneSense is a fractional aircraft ownership program managed by PlaneSense, Inc. and based in Portsmouth, New Hampshire, United States.  As of the beginning of 2016, they manage a civilian fleet of 36 total program aircraft, made up of thirty-four Pilatus PC-12 aircraft and 2 Nextant 400 XTi twin-engine jet aircraft.  More Nextant 400XTi jets are also on order, and six Pilatus PC-24 twin-engine jets are scheduled to be delivered between the years 2017 and 2020.  The PlaneSense fractional program provides private air transportation, primarily within the United States, Canada, Mexico, The Bahamas, and the islands of the Caribbean.  PlaneSense guarantees departure times as soon as 8 hours after a flight request, depending on the size of the aircraft share owned for domestic flights on non-peak days.  PlaneSense, inc. is not, itself, an air charter provider or commercial air carrier, but charter flights can be arranged through its sister company, Cobalt Air. The Pilatus PC-12 is a single-engine turboprop passenger and cargo aircraft manufactured by Pilatus Aircraft of Switzerland.  The main market for the aircraft is corporate transport and regional airliner operators.  The United States Air Force's designation is the U-28A.  It is the best-selling pressurized, single-engine, turbine-powered aircraft in the world. The Aero Ae270 Spirit is a single-engine turboprop general utility aircraft that was developed by the Czech aircraft company Aero Vodochody.  Aero Vodochody envisioned the Ae270 Spirit as a solid market competitor.  The Ae270 was designed for rugged passenger and small cargo services.  The aircraft's maiden flight took place in 2000.  It received European Aviation Safety Agency (EASA) Type Certification in 2005 and Federal Aviation Administration (FAA) type certification in 2006, Serial production was cancelled due to a change in strategy for the company and its manufacturing partner. Fractional Aircraft is a common term for fractional ownership of aircraft where multiple owners share the costs of purchasing, leasing and operating the aircraft.  Commercial programs for large aircraft include NetJets, Flexjet, Flight Options, PlaneSense, Executive AirShare, AirSprint and Autumn Air. The Beechcraft T-6 Texan II is a single-engine turboprop aircraft built by the Raytheon Aircraft Company (which became Hawker Beechcraft and later Beechcraft Defense Company, and was bought by Textron Aviation in 2014).  A trainer aircraft based on the Pilatus PC-9, the T-6 has replaced the Air Force's Cessna T-37B Tweet and the Navy's T-34C Turbo Mentor.  The T-6A is used by the United States Air Force for basic pilot training and Combat Systems Officer (CSO) training and by the United States Navy and United States Marine Corps for primary Naval Aviator training as well as primary and intermediate Naval Flight Officer (NFO) training.  The T-6A is also used as a basic trainer by the Royal Canadian Air Force (CT-156 Harvard II), the Greek Air Force, the Israeli Air Force ("Efroni"), and the Iraqi Air Force.  The T-6B is the primary trainer for U.S. student naval aviators.  The T-6C is used for training by the Mexican Air Force, Royal Air Force, Royal Moroccan Air Force, and the Royal New Zealand Air Force. Avantair was an aircraft fractional ownership company, headquartered at Clearwater, Florida, U.S.A..  Avantair provided fractional ownership, leasing and time card options within a fleet of twin-turboprop-engined P.180 aircraft.  Avantair operated the largest fleet of Piaggio P180 aircraft in the world with a total fleet size of 56 aircraft as of June 2012.
Answer: Pilatus Aircraft of Switzerland