Question: Harrisburg International Airport and Tucson International Airport, are which classification of airports?
Context: Pennsylvania Route 230 (PA 230) is a 28.4 mi long state route in central Pennsylvania.  Its western terminus is at an intersection with U.S. Route 22 (US 22) in Harrisburg.  Its eastern terminus is at an interchange with PA 283 near Salunga.  The route passes through Dauphin and Lancaster counties and serves as a surface road parallel to the PA 283 freeway that connects the cities of Harrisburg and Lancaster.  Along the way, PA 230 passes through Middletown, Elizabethtown, and Mount Joy.  The route intersects the Airport Connector near the Harrisburg International Airport, PA 441 and PA 341 in the Middletown area, PA 241 and PA 743 in Elizabethtown, and PA 772 in Mount Joy. Vancouver International Airport (IATA: YVR, ICAO: CYVR) is located on Sea Island in Richmond, British Columbia, Canada, about 12 km from Downtown Vancouver.  It is the second busiest airport in Canada by aircraft movements (306,799) and passengers (22.3 million), behind Toronto Pearson International Airport.  It has non-stop flights daily to Asia, Europe, Oceania, the United States, Mexico and other airports within Canada.  The airport has won several notable international best airport awards; it won the Skytrax Best North American Airport award in 2007 and 2010 through 2017.  The airport also made the list of top 10 airports in the world for the first time in 2012, rated at 9th (2012), 8th (2013), and 9th (2014) overall.  It is the only North American airport included in the top 10 for 2013 and 2014.  YVR also retains the distinction of Best Canadian Airport in the regional results.  It is a hub for Air Canada and WestJet.  It is also an operating base for Air Transat.  Vancouver International Airport is one of eight Canadian airports that have US Border Preclearance facilities.  It is also one of the few major international airports to have a terminal for scheduled floatplanes. Harrisburg International Airport (IATA: MDT, ICAO: KMDT, FAA LID: MDT) is a public airport in Lower Swatara Township, Pennsylvania, nine miles (15 km) southeast of Harrisburg.  It is owned by the Susquehanna Area Regional Airport Authority. Northern California TRACON (NCT) (Terminal Radar Approach Control), or NorCal TRACON for short, is an air traffic control facility that provides safety alerts, separation, and sequencing of air traffic arriving, departing, and transiting the airspace and airports in Northern California.  Located in Rancho Cordova near Sacramento, NCT controls airspace over 19000 square miles, and serves Reno International Airport, Sacramento International Airport, San Jose International Airport, Oakland International Airport, and San Francisco International Airport, plus 19 other smaller airports with air traffic control towers.  NCT is the 3rd busiest TRACON in America.  NorCal TRACON is the step between local control (in an airport's control tower) and Air Route Traffic Control Center (ARTCC), in this case, Oakland Center (ICAO code: ZOA).  San Francisco International Airport is the 2nd largest airport in California and the largest airport serving Northern California. Tucson International Airport (IATA: TUS, ICAO: KTUS, FAA LID: TUS) is a public joint civil-military airport owned by the City of Tucson 8 mi south of downtown Tucson, in Pima County, Arizona.  It is the second busiest airport in Arizona, after Phoenix Sky Harbor International Airport. Mae Fah Luang - Chiang Rai International Airport (Thai: ท่าอากาศยานแม่ฟ้าหลวง เชียงราย ) (old name: Chiang Rai International Airport (Thai: ท่าอากาศยานเชียงราย)) (IATA: CEI, ICAO: VTCT) is located in the city of Chiang Rai in northern Thailand.  The airport is about 8 km from the city center.  Since 1998 it has been managed by the Airports of Thailand Public Company Limited (AOT).  In 2013 the airport handled over 1,000,000 passengers and 7,000 passenger flights.  The airport has international flight facilities and serves 3 international routes to Hong Kong International Airport , Kunming Changshui International Airport and Haikou Meilan International airport.  In 2014, Airports of Thailand said that they would expand Chiang Rai airport.The plans include to build an additional taxiway, more shops and maybe extend the runaway.This should be completed in 2030. Líder Aviação (Líder Aviation) is a Brazilian airline specialising in air charter, aircraft sales and aircraft maintenance.  Its main base is in Belo Horizonte, Minas Gerais, where it has a presence at both airports.  It has other bases throughout Brazil; at Congonhas Airport and Guarulhos International Airport in São Paulo, Santos Dumont Airport, Jacarepaguá Airport and Galeão International Airport in Rio de Janeiro, Brasília International Airport, Recife's Guararapes International Airport, Macaé Airport, Val de Cães International Airport in Belém, Vitória Airport, Salvador International Airport, Porto Alegre's Salgado Filho International Airport, and Eduardo Gomes International Airport in Manaus.  Bristow Group, a large U.S. based helicopter operator with worldwide operations supporting the offshore oil and gas industry, has a financial stake in Lider. The Susquehanna Area Regional Airport Authority (SARAA) is the governing authority of Harrisburg International Airport, Capital City Airport, Franklin County Regional Airport and Gettysburg Regional Airport in south-central Pennsylvania.  SARAA was incorporated on September 9, 1997, and officially took over control of HIA and CXY airports from the Commonwealth of Pennsylvania on January 1, 1998. Rocky Nelson, an Arizona entrepreneur, formed Arizona Airways in 1942, using Douglas DC-3 aircraft to fly passengers from Sky Harbor International Airport in Phoenix, to other, nearby destinations, including Prescott Municipal Airport in Prescott, Arizona, and Tucson International Airport in Tucson, Arizona. The Airport Connector is a 1.9 mi freeway in the Harrisburg, Pennsylvania, area in the United States.  It begins at Pennsylvania Route 283 (PA 283) and ends at Harrisburg International Airport.  There is one intermediate exit with PA 230.  The highway is internally designated as State Route 3032 by the Pennsylvania Department of Transportation.
Answer: public