J. Lynn Helms Sevier County Airport (ICAO: KDEQ, FAA LID: DEQ, formerly F90) is a county-owned public-use airport in Sevier County, Arkansas, United States.

It is located three nautical miles (4 mi, 6 km) west of the central business district of De Queen, Arkansas.

[3] J. Lynn Helms Sevier County Airport covers an area of 85 acres (34 ha) at an elevation of 355 feet (108 m) above mean sea level.

[1] For the 12-month period ending August 31, 2010, the airport had 11,700 aircraft operations, an average of 32 per day: 98% general aviation and 2% military.

At that time there were eight aircraft based at the airport: 7 single-engine airplanes, and 1 helicopter.