Question: Are both Montrose Regional Airport and Gulfport–Biloxi International Airport available to the public?

Context articles: Montrose Regional Airport
Elizabeth City Regional Airport
Cleveland Hopkins International Airport
Gulfport–Biloxi International Airport
Grand Junction Regional Airport
Raleigh Executive Jetport
Susquehanna Area Regional Airport Authority
Pensacola International Airport
John Glenn Columbus International Airport
Air Wisconsin

Montrose Regional Airport (IATA: MTJ, ICAO: KMTJ, FAA LID: MTJ) is a non-towered public airport on the northwest side of Montrose, in zip code 81401 in southwestern Colorado.
 Its two runways are at elevation 5,759 feet (1,755 m).
 MTJ covers 966 acres (391 ha) of land.
Elizabeth City Regional Airport (IATA: ECG, ICAO: KECG, FAA LID: ECG) is a joint civil-military public and military use airport located three nautical miles (6 km) southeast of the central business district of Elizabeth City, in Pasquotank County, North Carolina, United States.
 The airport, on the shore of the Pasquotank River, is also known as Elizabeth City-Pasquotank County Regional Airport or ECG Regional Airport.
 It is included in the National Plan of Integrated Airport Systems for 2011–2015, which categorized it as a "general aviation" facility.
Cleveland Hopkins International Airport (IATA: CLE, ICAO: KCLE, FAA LID: CLE) is a public airport located nine miles (14 km) southwest of the central business district of Cleveland, Cuyahoga County, Ohio, United States.
 It is the primary airport serving Northeast Ohio and is the largest and busiest airport in the state of Ohio.
 The metropolitan area is also served by Burke Lakefront Airport and by Akron-Canton Regional Airport.
 Cleveland Hopkins International Airport and Cleveland Burke Lakefront Airport together comprise the Cleveland Airport System, operated by the City of Cleveland's Department of Port Control.
Gulfport–Biloxi International Airport (IATA: GPT, ICAO: KGPT, FAA LID: GPT) is a joint civil–military public-use airport three nautical miles (6 km) northeast of the central business district of Gulfport, a city in Harrison County, Mississippi, United States.
 It is owned by the Gulfport–Biloxi Regional Airport Authority and serves the Gulf Coast area.
Grand Junction Regional Airport (IATA: KGJT, ICAO: GJT) is a public airport three miles northeast of Grand Junction, in Mesa County, Colorado.
 Owned by the Grand Junction Regional Airport Authority, it is the largest airport in western Colorado and third largest in the state, behind Denver International Airport and Colorado Springs Airport.
Raleigh Exec: The Raleigh Executive Jetport @ Sanford-Lee County or Raleigh Exec Jetport at Sanford-Lee CountyFAA Airport Master Record for TTA (Form 5010 ) (ICAO: KTTA, FAA LID: TTA) is a public use airport located seven nautical miles (8 mi, 13 km) northeast of the central business district of Sanford, a city in Lee County, North Carolina, United States.
 It is owned by the Sanford-Lee County Regional Airport Authority and was previously known as Sanford-Lee County Regional Airport.
 This airport is included in the National Plan of Integrated Airport Systems for 2011–2015, which categorized it as a "reliever airport" for Raleigh-Durham International Airport.
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.
Pensacola International Airport (IATA: PNS, ICAO: KPNS, FAA LID: PNS) , formerly Pensacola Gulf Coast Regional Airport and Pensacola Regional Airport (Hagler Field), is a public use airport three nautical miles (6 km) northeast of the central business district of Pensacola, in Escambia County, Florida, United States.
 It is owned by the City of Pensacola.
 Despite the name, this airport does not offer direct international flights.
 This airport is one of the five major airports in North Florida, others being: Northwest Florida Beaches International Airport, Destin-Fort Walton Beach Airport Tallahassee International Airport, and Jacksonville International Airport.
John Glenn Columbus International Airport (IATA: CMH, ICAO: KCMH, FAA LID: CMH) , is an international airport located 6 mi east of downtown Columbus, Ohio.
 Formerly known as Port Columbus International Airport, it is managed by the Columbus Regional Airport Authority, which also oversees operations at Rickenbacker International Airport and Bolton Field.
 The airport code 'CMH' stands for "Columbus Municipal Hangar," the original name for the airport.
Air Wisconsin Airlines is a regional airline based at Appleton International Airport in the town of Greenville, Wisconsin, United States, near Appleton.
 Air Wisconsin is the largest privately held regional airline in the United States.
 It currently operates regional jet flights as American Eagle under contract to American Airlines via a code sharing agreement, serving cities in the U.S. and Canada with hubs at Boston Logan International Airport (BOS), Charlotte Douglas International Airport (CLT), Philadelphia International Airport (PHL) and Ronald Reagan Washington National Airport (DCA) .
 Air Wisconsin previously operated United Express service on behalf of United Airlines followed by US Airways Express service on behalf of US Airways prior to becoming an American Eagle regional air carrier.
 The company has announced it will once again partner with United Airlines as a United Express code sharing air carrier with primary hubs to be located at Chicago O'Hare International Airport (ORD) and Washington Dulles International Airport (IAD) beginning in September 2017 and will be "exclusively operating" as United Express by March 2018.