Question: Are Dayton International Airport and Westchester County Airport both in the same county?

Context articles: Allegheny County Airport Authority
Dayton–Wright Brothers Airport
Vandalia, Ohio
Vectren Dayton Air Show
Westchester County Airport
TWC Aviation, Inc.
New York State Route 120
Dayton International Airport
Champion Air
PSA Airlines

Allegheny County Airport Authority is a Municipal Authority in Allegheny County, Pennsylvania that oversees and maintains the Allegheny County airport system.
 These include management of Pittsburgh International Airport as well as Allegheny County Airport.
 The Authority is also a key lobbying and public interest agency often representing the local aviation industry and related industry interests in Harrisburg (the state capital) and on the federal level.
Dayton–Wright Brothers Airport (IATA: MGY, ICAO: KMGY, FAA LID: MGY) is a public airport located 10 miles (16 km) south of the central business district of Dayton, Ohio, located mainly in Miami Township, Montgomery County and partly in Clearcreek Township, Warren County, near the suburb of Springboro.
 It is owned and operated by the City of Dayton and serves as the reliever airport for Dayton International Airport.
 It mainly serves corporate and personal aircraft users.
 The airport's identifying code, MGY, is a reference to its former name of Montgomery County Airport.
Vandalia is a city in Montgomery County, Ohio, United States, and a suburb of Dayton.
 Its population was 15,246 during the 2010 census.
 In addition to being the city closest to Dayton International Airport, Vandalia lies at the crossroads of I-75 and I-70, making it a major hub for business.
The Vectren Dayton Air Show is an annual event held at the Dayton International Airport in Vandalia, Ohio, eight miles north of Dayton, Ohio.
 This Air Show takes place on a weekend in mid-July each year, but as of 2013, late June.
 The history of this flight exhibition dates back to 1910 and the Wright Company.
 Dayton is the hometown of the Wright Brothers and is where Orville and Wilbur built their first powered plane.
 The show's main sponsor is Vectren and it is considered to be one of the country’s premier aviation events.
Westchester County Airport (IATA: HPN, ICAO: KHPN, FAA LID: HPN) is a county-owned airport in Westchester County, New York, three miles (6 km) northeast of the central business district of White Plains, in the towns of Harrison, North Castle and Rye.
 The airfield is also sometimes referred to as White Plains Airport and has been identified by this name in the past by the Official Airline Guide (OAG).
TWC Aviation, Inc., now owned by Landmark Aviation, is an international business aviation company with operations centers at San Jose International Airport, in San Jose, California, Van Nuys Airport in Los Angeles, and Westchester County Airport, in White Plains, New York.
New York State Route 120 (NY 120) is a state highway in southern Westchester County, New York, in the United States.
 It begins in the city of Rye at an intersection with U.S. Route 1 (US 1) and runs for about 18 mi north to the hamlet of Millwood, where it ends at a junction with NY 100.
 The route intersects with several limited-access highways, including Interstate 684 (I-684) and the Saw Mill River Parkway, and serves the Westchester County Airport in North Castle.
 Portions of the route have been signed ceremonially in remembrance of American serviceman killed in the 2000s and 2010s during the wars in Iraq and Afghanistan.
Dayton International Airport (IATA: DAY, ICAO: KDAY, FAA LID: DAY) (officially James M. Cox Dayton International Airport), formerly Dayton Municipal Airport and James M. Cox-Dayton Municipal Airport, is ten miles north of downtown Dayton, in Montgomery County, Ohio.
 The airport is within the city limits of Dayton, in an exclave of Dayton not contiguous with the rest of the city.
 Its address is 3600 Terminal Drive, Dayton, Ohio 45377.
Champion Air was an airline based in Bloomington, Minnesota, USA.
 It operated general charter services to sports teams, vacation wholesalers and government agencies.
 It also offered limited scheduled service.
 Its main base was Minneapolis-Saint Paul International Airport, with hubs at Denver International Airport, Dallas-Fort Worth International Airport, Detroit Metropolitan Wayne County Airport, McCarran International Airport in Las Vegas, Lambert-St.
 Louis International Airport, and Will Rogers World Airport in Oklahoma City.
 The airline ceased all operations on May 31, 2008.
 Until its shutdown, the airline was a prime contractor for the Justice Prisoner and Alien Transportation System.
PSA Airlines, Inc. is an American regional airline headquartered at Dayton International Airport in Vandalia, Ohio, that flies under the American Eagle brand for American Airlines.
 PSA is a wholly owned subsidiary of American Airlines Group.
 PSA has crew bases in Washington, D.C.; Knoxville, Tennessee; Charlotte, North Carolina; Cincinnati, Ohio; and Dayton, Ohio.
 It has maintenance bases in Charlotte, North Carolina; Cincinnati, Ohio; Dayton, Ohio and at the Akron–Canton Airport in Green, Ohio.