Williamson County Regional Airport
|Williamson County Regional Airport|
|IATA: MWA – ICAO: KMWA – FAA LID: MWA|
|Owner||Williamson County Airport Authority|
|Elevation AMSL||472 ft / 144 m|
|Source: Federal Aviation Administration|
Williamson County Regional Airport (IATA: MWA, ICAO: KMWA, FAA LID: MWA) is a public use airport located four nautical miles (5 mi, 7 km) west of the central business district of Marion, in Williamson County, Illinois, United States. The airport is owned by the Williamson County Airport Authority. It is mostly used for general aviation, but is served by one commercial airline, subsidized by the Essential Air Service program.
As per Federal Aviation Administration records, the airport had 3,631 passenger boardings (enplanements) in calendar year 2008, 3,399 enplanements in 2009, and 8,047 in 2010. It is included in the National Plan of Integrated Airport Systems for 2011–2015, which categorized it as a non-primary commercial service airport (between 2,500 and 10,000 enplanements per year).
Facilities and aircraft 
Williamson County Regional Airport covers an area of 1,300 acres (526 ha) at an elevation of 472 feet (144 m) above mean sea level. It has two runways: 2/20 is 8,002 by 150 feet (2,439 x 46 m) with an asphalt surface; 11/29 is 4,997 by 100 feet (1,523 x 30 m) with an asphalt/concrete surface.
Williamson County Regional Airport has one FBO, Aeroflite, located at the base of the control tower on the general aviation ramp. Aeroflite offers flight training, 100LL and Jet A fuel, charter service, a pilot courtesy car, and rental cars. Currently Aeroflite has three rental aircraft, a Cessna 150 (N50475), a Cessna 172 (N7573G), and a Piper Warrior II (N2875X). Aeroflite charter operations are conducted in a Piper Navajo Chieftain.
Airline and destination 
The following airline offers scheduled passenger service:
|Cape Air||St. Louis|
On November 6, 2006, Mesa Airlines announced that new service to Chicago Midway International Airport would begin in February 2007 operated by their wholly owned subsidiary, Air Midwest, with service to Decatur Airport in Decatur, Illinois, and continuing service on to Chicago Midway International Airport as a direct flight. However, just nine months after starting the service, Mesa announced they would end all service from Marion on November 9, 2007.
On October 23, 2007, Allegiant Air announced new service to McCarran International Airport in Las Vegas, Nevada. Service was to start on February 1, 2008, and be 2x weekly, however Allegiant dropped the route on November 9, 2007, citing high fuel prices.
- July 23, 1973: Ozark Air Lines Flight 809 between Nashville International Airport and Lambert-St. Louis International Airport had intermediate stops in Clarksville, Tennessee, Paducah, Kentucky, Cape Girardeau, Missouri and Marion-Williamson County Airport before arriving in St. Louis in the midst of a tornado warning. The plane crashed on the campus of the University of Missouri - St. Louis killing 38 of the 44 aboard.
- December 21, 1978: TWA Flight 541 from Louisville International Airport to Kansas City International Airport was hijacked by 17-year-old Robin Oswald to Williamson in attempt to secure the release of Garrett Brock Trapnell who was serving time at United States Penitentiary, Marion for the January 28, 1972 hijacking of TWA Flight 2 from Los Angeles to New York. Oswald's mother Barbara Oswald was killed May 24, 1978, after hijacking a helicopter in an attempt to rescue him (and Martin J. McNally who was serving time for the June 23, 1972 hijacking of a St. Louis-Tulsa American Airlines flight). Robin surrendered after 10 hours at the Williamson airport.
- FAA Airport Master Record for MWA ( PDF). Federal Aviation Administration. Effective April 5, 2012.
- "Enplanements for CY 2008" (PDF, 1.0 MB). CY 2008 Passenger Boarding and All-Cargo Data. Federal Aviation Administration. December 18, 2009.
- "Enplanements for CY 2010" (PDF, 189 KB). CY 2010 Passenger Boarding and All-Cargo Data. Federal Aviation Administration. October 4, 2011.
- "2011–2015 NPIAS Report, Appendix A" (PDF, 2.03 MB). National Plan of Integrated Airport Systems. Federal Aviation Administration. October 4, 2010.
- Allegiant to begin flights to LAS
Other sources 
- Essential Air Service documents (Docket OST-2000-7881) from the U.S. Department of Transportation:
- Order 2005-6-14: reselecting RegionsAir, Inc. d/b/a American Connection, formerly known as Corporate Airlines, to provide subsidized essential air service (EAS) at each of the above communities (Burlington, IA; Cape Girardeau, MO; Ft. Leonard Wood, MO; Jackson, TN; Marion/Herrin, IL; Owensboro, KY; Kirksville, MO) for a new two-year period from June 1, 2005, through May 31, 2007, for a combined annual subsidy of $7,306,249. Also by this order, the Department is terminating the show-cause proceeding tentatively terminating subsidy at Kirksville, Missouri, as RegionsAir's selected proposal is below the $200-per-passenger cap.
- Order 2007-3-5: selecting Big Sky Transportation Co., d/b/a Big Sky Airlines, and Great Lakes Aviation, Ltd. to provide subsidized essential air service (EAS) at the above communities (Burlington, IA; Cape Girardeau, MO; Fort Leonard Wood, MO; Jackson, TN; Marion/Herrin, IL, Owensboro, KY) for the two-year period from June 1, 2007, through May 31, 2009, using 19-seat Beech 1900D turboprop aircraft as follows: Big Sky at Cape Girardeau, Jackson, and Owensboro for a combined annual subsidy of $3,247,440; and Great Lakes at Burlington, Fort Leonard Wood, and Marion/Herrin for a combined annual subsidy of $2,590,461.
- Order 2009-10-13: selecting Hyannis Air Service, Inc. d/b/a Cape Air, to provide subsidized essential air service (EAS) at Marion/Herrin, Quincy, and Cape Girardeau, for a two-year period beginning when Cape Air inaugurates full EAS at each of the three communities and ending at the close of the 24th month thereafter, at a combined annual subsidy rate of $5,469,768 ($2,053,783 for Marion/Herrin, $1,946,270 for Quincy, and $1,469,715 for Cape Girardeau). The Department is selecting Multi-Aero, Inc. d/b/a Air Choice One to provide subsidized EAS at Decatur, Illinois, and Burlington, Iowa, for a two-year period beginning when it inaugurates full EAS and ending at the close of the 24th month thereafter, at a combined annual subsidy of $5,253,644 ($3,082,403 for Decatur and $2,171,241 for Burlington). The Department is selecting Great Lakes Aviation, Ltd. (Great Lakes) to provide subsidized EAS at Fort Leonard Wood, Missouri, for the two-year period from November 1, 2009, through October 31, 2011, at an annual subsidy of $1,292,906.
- Order 2011-4-12: re-selecting Hyannis Air Service, Inc. d/b/a Cape Air, to provide essential air service (EAS) at Marion/Herrin, Illinois (Marion) and Quincy, Illinois/Hannibal, Missouri (Quincy), and Cape Girardeau/Sikeston, Missouri (Cape Girardeau), for the four-year period from December 1, 2011, through November 30, 2015, for a combined annual subsidy rate of $5,689,438 ($2,104,616 for Marion, $1,956,856 for Quincy, and $1,627,966 for Cape Girardeau). Marion and Quincy will receive 36 weekly round trips and Cape Girardeau will receive 24 weekly round trips. All service will operate nonstop to/from Lambert-St. Louis International Airport (St. Louis) using eight- or nine-passenger Cessna 402 aircraft.
- Williamson County Regional Airport, official website
- Aeroflite, the fixed base operator (FBO)
- (PDF), effective May 2, 2013
- FAA Terminal Procedures for MWA, effective May 2, 2013
- Resources for this airport: