Grant County International Airport

Grant County International Airport
Name	Grant County International Airport
IATA	MWH
ICAO	KMWH
FAA	MWH
Type	Public
Owner	Grant County
City-served	Moses Lake, Washington
Elevation-ft	1,185

Grant County International Airport

Grant County International Airport is a public aviation complex serving Moses Lake, Washington, and central Washington State. The field functions as a civil, commercial, and industrial aviation hub with historical ties to aerospace testing, military operations, and global logistics. Its long runways, industrial parks, and proximity to research institutions support diverse aviation, aerospace, and freight activities.

Overview

Grant County International Airport sits near Moses Lake, Washington, in Grant County, Washington, within the Columbia Basin Project region and the broader Columbia Plateau. The airport features one of the longest runways in North America, enabling operations by heavy aircraft like the Airbus A380, Boeing 747, Antonov An-124, Lockheed C-5 Galaxy, and Boeing 747-8. Its infrastructure supports activities connected to Boeing, Lockheed Martin, Northrop Grumman, SpaceX, Blue Origin, NASA, and the United States Air Force. Nearby transportation links include Interstate 90, Washington State Route 17, and the Moses Lake Municipal Airport corridor, connecting to freight rail lines operated by BNSF Railway and Union Pacific Railroad.

History

The airport's origins trace to World War II when the site was developed as a training and maintenance field connected to Air Transport Command operations and Second Air Force activities. Postwar, the installation became a test and industrial base hosting projects tied to Convair, General Dynamics, and later Boeing Flight Test Center collaborations. During the Cold War, the facility supported Strategic Air Command-era dispersal and contractor testing for platforms like the B-52 Stratofortress and KC-135 Stratotanker. In the late 20th century, conversions created the Grant County International Airport industrial park, attracting aerospace suppliers such as Hamilton Sundstrand and Teledyne Technologies. The field hosted record-setting transcontinental speed and endurance trials, including operations involving the Lockheed SR-71 Blackbird and long-range transports used by Pan American World Airways and FedEx Express. In the 21st century, partnerships with Washington State University and Pacific Northwest National Laboratory expanded research, while cargo charters connected to UPS Airlines and global logistics firms increased freight throughput.

Facilities and operations

Grant County International Airport operates multiple runways, hangars, and an expansive ramp and apron capable of accommodating widebody and oversize aircraft. Primary infrastructure enables maintenance, repair, and overhaul (MRO) services for companies such as Delta Air Lines Engineering, Northwest Airlines subsidiaries, and independent shops used by Atlas Air and Kalitta Air. The airport includes flight training tenants linked to Embry-Riddle Aeronautical University alumni programs and connects to avionics suppliers like Garmin and Honeywell Aerospace. Air traffic control and safety coordination engage with Federal Aviation Administration regional centers, while environmental oversight interfaces with United States Environmental Protection Agency criteria and Washington State Department of Ecology permits. The airport campus houses industrial parks with tenants such as General Electric Aviation, Rolls-Royce North America, Safran, and specialty test centers for composite materials from companies like Hexcel Corporation.

Airlines and destinations

Commercial passenger service has varied; carriers including Alaska Airlines, Horizon Air, United Airlines, Delta Air Lines, and regional operators have provided scheduled flights linking to hub airports like Seattle–Tacoma International Airport, Portland International Airport, and Salt Lake City International Airport. Cargo and charter operators have included FedEx Express, UPS Airlines, Atlas Air, Kalitta Air, Southern Air, and military sealift charters supporting United States Transportation Command. Seasonal and ad hoc charters for aerospace testing have connected the field with industrial centers such as Toulouse–Blagnac Airport, Le Bourget Airport, and Hamad International Airport.

Accidents and incidents

The airport's long operational history includes incidents involving test flights, cargo operations, and general aviation. Notable events have intersected with investigations by the National Transportation Safety Board and Federal Aviation Administration protocols following mishaps involving widebody cargo aircraft, corporate jets, and vintage military types. Responses have involved coordination with Grant County Emergency Services, Washington State Patrol, and regional Federal Bureau of Investigation offices when security or hazardous materials were implicated. Aircraft involved in incidents at the field have included types such as the Boeing 737, Boeing 767, Douglas DC-3, and specialized military transports subject to formal accident reports.

Economic and community impact

Grant County International Airport anchors an aviation and industrial cluster that influences employment, investment, and workforce development across Grant County, Washington and the Columbia Basin. Economic ties extend to contractors, educational institutions, and federal research agencies including NASA Ames Research Center collaborations and Pacific Northwest National Laboratory projects. The airport supports tourism initiatives tied to regional attractions like the Grand Coulee Dam, Lake Chelan, and outdoor recreation promoted by Visit Washington. Community benefits include apprenticeship and training programs with Big Bend Community College and workforce pipelines to aerospace employers such as Boeing, Lockheed Martin, and General Dynamics. Grant County International Airport's role in cargo logistics also integrates with global supply chains connecting to ports like Port of Seattle and Port of Tacoma, and trucking networks serving the Interstate 90 and U.S. Route 2 corridors.

Category:Airports in Washington (state) Category:Grant County, Washington