MWH
Grant County International Airport

Grant County International Airport (IATA: MWH, ICAO: KMWH) is a medium airport in Moses Lake, Washington, United States. It has 5 runways; the longest is 13,503 ft (4,116 m). In 2019 it handled 122 passengers.
Runways & airfield
Schematic · N · © OpenStreetMap · 2 helipads · FAA diagram PDF14L/32R162° / 342° · LIT
LENGTH13,503 ft4,116 mWIDTH200 ft61 mSURFACEConcrete
04/22054° / 234° · LIT
LENGTH10,000 ft3,048 mWIDTH100 ft31 mSURFACEConcrete
09/27108° / 288° · LIT
LENGTH3,500 ft1,067 mWIDTH90 ft27 mSURFACEConcrete
18/36198° / 018° · LIT
LENGTH3,327 ft1,014 mWIDTH75 ft23 mSURFACEAsphalt
14R/32L162° / 342°
LENGTH2,936 ft895 mWIDTH75 ft23 mSURFACEConcrete
Passengers per year
2015–201914
10
8
711
122
1516171819
Routes
3 destinations · 1 countryMost destinationsAmeriflight 2FedEx Express 1
Straight lines are great circles; rings mark true distance from MWH. From the Wikipedia article “Grant County International Airport” (revision of 11 Sep 2026), CC BY-SA 4.0.
Records & rankings
Ranked among 48,011 open airports · world · region · countryScale: share of airports ranked below, best on the right · ties shown as = and a band · passengers are each airport’s latest year on record
Radio frequencies
7 channelsA/DAPP/DEP126.400
ATISATIS119.050
CTAFCTAF118.250
GNDGND121.900
RDOSEATTLE RDO122.400
TWRTWR118.250
UNICUNICOM122.950