Question: Are Hilton Head Airport and Mammoth Yosemite Airport both public airports? 

Context articles: Savannah/Hilton Head International Airport
Mammoth Yosemite Airport
Hilton Head Preparatory School
Sun City Hilton Head
Hilton Head Airport
Ben Gurion Airport
Oklahoma Aeronautics Commission
Disney's Hilton Head Island Resort
Hilton Head Island, South Carolina
Hilton Head Island High School

Savannah/Hilton Head International Airport (IATA: SAV, ICAO: KSAV, FAA LID: SAV) is a public and military use airport owned by the City of Savannah and managed by the Savannah Airport Commission.
 The airport is located seven nautical miles (8 mi, 13 km) northwest of the central business district of Savannah, a city in Chatham County, Georgia, United States.
 It had been known as Savannah International Airport, Travis Field and Chatham Field.
 The airport is just off Interstate 95, between Savannah and the city of Pooler, Georgia.
 It is the chief commercial airport for the three-county Savannah metropolitan area, although nearly 40 percent of the airport's total passenger traffic is bound for Hilton Head Island, South Carolina, located approximately 38.5 miles (approx. 42 minutes) away by car.
Mammoth Yosemite Airport (IATA: MMH, ICAO: KMMH, FAA LID: MMH) is a town-owned public airport seven miles east of Mammoth Lakes, in Mono County, California.
 Also known as Mammoth Lakes Airport or Mammoth-June Lake Airport, it is mainly used for general aviation, but has scheduled passenger flights operated by two airlines, one of which only serves the airport on a seasonal basis during the winter sports season.
Hilton Head Preparatory School (HHP) is a private school for grades Junior Kindergarten through 12th grade, located in Hilton Head Island, South Carolina.
 It belongs to the South Carolina Independent School Association.
 The school is accredited by the Southern Association of Colleges and Schools and the Southern Association of Independent Schools.
 It is the only school on Hilton Head Island to be accredited by the National Association of Independent Schools.
 Its enrollment for the 2006-2007 school year was 450 students.
 Over fifty percent of the faculty hold advanced degrees in their subject area.
Del Webb's Sun City Hilton Head (often shortened to Sun City Hilton Head or Sun City locally) is an age-restricted master planned community located in the Okatie area of Beaufort and Jasper counties in the Lowcountry region of South Carolina.
 Although not a separate incorporated community or census-designated place, there are close to 10,000 permanent residents within three major phases of the community, which is clustered around its golf courses and community centers.
 The community is also renowned for its political activism, with many local, state, and national candidates for political office stopping in Sun City while in the area.
 Sun City is included within the Hilton Head Island-Bluffton-Beaufort, SC Metropolitan Statistical Area.
Hilton Head Airport (IATA: HHH, ICAO: KHXD, FAA LID: HXD) is a public use airport located on Hilton Head Island, in Beaufort County, South Carolina, United States.
 Also known as Hilton Head Island Airport, it is owned by Beaufort County.
 Mostly used for general aviation, it is also served by a commercial airline and one public charter airline operating limited service.
 It is the only airport on Hilton Head Island.
Ben Gurion International Airport (Hebrew: נמל התעופה הבינלאומי בן גוריון‎ ‎ ; Arabic: مطار بن غوريون الدولي‎ ‎ ) (IATA: TLV, ICAO: LLBG) , often referred to as Natbag (נתב״ג ) is the main international airport of Israel and by far the busiest airport in the country, located 19 km to the southeast of Tel Aviv.
 Named after Israel's first Prime Minister David Ben-Gurion, the airport serves as a hub for El Al, Israir Airlines, Arkia, Up and Sun D'Or.
 In 2016, it handled approximately 18 million passengers, making it the 48th busiest airport in Asia.
 Ben Gurion Airport is operated by the Israel Airports Authority, a government-owned corporation that manages all public airports and border crossings in Israel.
The Oklahoma Aeronautics Commission (OAC) is an agency of state government that is responsible for promoting aviation in the State.
 Under the supervision of the Oklahoma Secretary of Transportation, the Commission fosters the growth of the aerospace industry and ensures that the needs of business and communities in the State are met by the State's airports.
 The Commission encourages the establishment and maintenance of public airports, including the preservation and improvement of the State's 110 public airports.
Disney's Hilton Head Island Resort is a Disney Vacation Club Resort and vacation rental accommodation, part of the Disney brand of timeshares, located in Hilton Head Island, South Carolina.
 Designed by Cooper, Robertson & Partners, it opened on March 1, 1996.
 This property is on a secluded 15 acre island in the Shelter Cove Harbour area of Hilton Head Island.
Hilton Head Island, sometimes referred to as simply Hilton Head, is a Lowcountry resort town and barrier island in Beaufort County, South Carolina, United States.
 It is 20 mi northeast of Savannah, Georgia, and 95 mi southwest of Charleston.
 The island is named after Captain William Hilton, who in 1663 identified a headland near the entrance to Port Royal Sound, which he named "Hilton's Head" after himself.
 The island features 12 mi of beachfront on the Atlantic Ocean and is a popular vacation destination.
 In 2004, an estimated 2.25 million visitors pumped more than $1.5 billion into the local economy.
 The year-round population was 37,099 at the 2010 census, although during the peak of summer vacation season the population can swell to 150,000.
 Over the past decade, the island's population growth rate was 32%.
 Hilton Head Island is a primary city within the Hilton Head Island-Bluffton-Beaufort metropolitan area, which had an estimated population of 207,413 in 2015.
Hilton Head Island High School (shortened to Hilton Head High, HHIHS, or HHH) is a public high school within the Beaufort County School District, located in Hilton Head Island, South Carolina, United States.
 The high school serves students on the island in addition to some students living in Bluffton.
 The school served 1,161 students in the 2011–2012 school year.
 The school has had a long-standing relationship with the International Baccalaureate Programme.