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Reference data only — not for flight planning or navigation. Verify with official sources (AIP, NOTAMs, ATC). Full disclaimer

Grant County International Airport (KMWH/MWH) — Moses Lake, United States

At a glance

Operating hours
Open 24h
Port of entry
Yes, with conditions
Fuel
100LL, Jet A, Jet A-1+
Tower
118.25
Runways
04/22, 09/27, 14L/32R, 14R/32L +
Elevation
1,189 ft

Times in UTC. Reference only: verify with the AIP and NOTAMs.

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88% Data Complete 46 of 52 points
Missing: Contacts
Section Breakdown
Basic Info 7/7
Runways 4/4
Frequencies 4/4
Operations 2/2
Fuel 1/1
Contacts 0/2
Additional Info 6/10
Observed Activity · Oct 26
9 aircraft observed within 6 NM · busiest hour 20:00Z
2026-10-132026-10-26
Distinct ADS-B aircraft seen within 6 NM below 10,000 ft AGL per UTC day · community-feed coverage varies · not official movement totals
Data last updated:
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Basic Airport Information

  • ICAO: KMWH
  • Name: Grant County International Airport
  • Type: medium_airport
  • Category: Domestic
  • Latitude: 47.207699
  • Longitude: -119.32
  • Elevation: 1189 ft
  • Country: United States
  • Municipality: Moses Lake
  • IATA Code: MWH
  • FAA Code: N/A
  • FIR: N/A
  • Timezone: America/Los_Angeles
  • Distance from City: N/A km
  • VFR: Yes
  • IFR: No

Runways

Runway 04/22

  • Designation: 04/22
  • Dimensions: 3048x30m
  • Surface: PEM
  • PCN: N/A
  • Lighting: Lighted
  • NAVAIDs: N/A
  • Approach Types: RNAV (GPS)
  • Remarks: N/A

Runway 09/27

  • Designation: 09/27
  • Dimensions: 1067x27m
  • Surface: CON
  • PCN: N/A
  • Lighting: Not lighted
  • NAVAIDs: N/A
  • Approach Types: N/A
  • Remarks: N/A

Runway 14L/32R

  • Designation: 14L/32R
  • Dimensions: 4116x61m
  • Surface: PEM
  • PCN: N/A
  • Lighting: Lighted
  • NAVAIDs: N/A
  • Approach Types: ILS CAT I, RNAV (GPS), VOR/DME
  • Remarks: N/A

Runway 14R/32L

  • Designation: 14R/32L
  • Dimensions: 895x23m
  • Surface: CON
  • PCN: N/A
  • Lighting: Not lighted
  • NAVAIDs: N/A
  • Approach Types: RNAV (GPS)
  • Remarks: N/A

Runway 18/36

  • Designation: 18/36
  • Dimensions: 1014x23m
  • Surface: ASP
  • PCN: N/A
  • Lighting: Lighted
  • NAVAIDs: N/A
  • Approach Types: N/A
  • Remarks: N/A

Runway H1

  • Designation: H1
  • Dimensions: 50 x 50 ft
  • Surface: ASP
  • PCN: N/A
  • Lighting: N/A
  • NAVAIDs: N/A
  • Approach Types: N/A
  • Remarks: N/A

Runway H2

  • Designation: H2
  • Dimensions: 50 x 50 ft
  • Surface: ASP
  • PCN: N/A
  • Lighting: N/A
  • NAVAIDs: N/A
  • Approach Types: N/A
  • Remarks: N/A

See all airports with ILS approaches in United States →

Frequencies

  • Tower: 118.250 MHz
  • Ground: 121.900 MHz
  • Operations: 122.400 MHz
  • Traffic/Approach: N/A
  • ATIS: 119.050 MHz

Operation Hours

Monday Open 24 hours
Tuesday Open 24 hours
Wednesday Open 24 hours
Thursday Open 24 hours
Friday Open 24 hours
Saturday Open 24 hours
Sunday Open 24 hours

Grant County International Airport operates 24 hours (H24). See all 24-hour airports worldwide →

  • Extra Hours On Request: Not recorded
  • Remarks: N/A

Contacts

  • AIS Tel: N/A
  • ARO Tel: N/A
  • MET Tel: N/A
  • Admin Tel: +1 509-762-5363
  • Health Tel: N/A
  • Police Tel: N/A
  • Authorities Tel: N/A
  • Website: N/A
  • Remarks: N/A

Slots / PPR

  • Slot Required: Not recorded
  • PPR Required: No
  • PPR Contact: N/A
  • Remarks: N/A

Fees

  • Landing Fee: USD 2.50/1000lbs MTOW
  • Parking Fee: USD 6/night
  • Handling Mandatory: No
  • Currency: USD
  • Remarks: Grant County International Airport, Moses Lake WA. Former Larson AFB. Massive facility. Flight test center.

Fuel Information

Immigration

  • Port of Entry: Yes, with conditions: User fee airport: permission to land from CBP needed (19 CFR 122.15) Source: 19 CFR 122.15 User fee airports, 2026-10-13 (last amended 2025-11-17)
  • APIS Required: Yes
  • GAR Required: No

See all airports of entry in United States →

Restrictions

  • Curfew Start: N/A
  • Curfew End: N/A
  • Noise Chapter Min: Chapter 3
  • Remarks: Former military. Multiple long runways (13500 ft). Excellent VMC most of year.

Airport Services

No services listed for this airport yet.

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United States Permit Requirements

Fast Landing: 1d
  • Overflight Permit: No
  • Landing Permit: Conditional
  • Overflight Lead Time: N/A
  • Landing Lead Time: 60 minutes minimum (eAPIS manifest before departure); recommend 24-48 hours for CBP port notification
Private / GA Operations:

No permits required for private non-revenue flights. eAPIS manifest mandatory for all international arrivals/departures.

View Full United States Permit Details

Active NOTAMs

A0473/26
warning
ILS restriction
NAV ILS RWY 32R GP NOT MNT
2026-10-14 08:42 UTC 2027-04-28 20:00 UTC
A461/26
warning
Runway closed
RWY 04/22 SW 2700FT CLSD
2026-10-13 01:52 UTC No end time given (PERM)
Received 2026-10-13 01:56 UTC
A456/26
warning
Runway closed
RWY 04/22 CLSD
2026-10-12 23:00 UTC No end time given (PERM)
Received 2026-10-12 23:06 UTC

+21 more active NOTAMs

NOTAMs received from the FAA NOTAM feed (last message 2026-10-27 16:10 UTC). This list is built from the feed as NOTAMs are issued and is not checked against the FAA's full list: confirm with FAA NOTAM Search before flight.
View all NOTAMs on Map

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Airport History

No milestones recorded for Grant County International Airport yet. Know when it opened, who built it or a notable event? Add it with a source.

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Frequently Asked Questions
What are the operating hours of KMWH?
Grant County International Airport operates from 00:00 to 23:59.
What is the tower frequency at KMWH?
The tower frequency at Grant County International Airport is 118.25 MHz.
What fuel is available at KMWH?
The FAA lists 100LL, Jet A, Jet A-1+ for public use at Grant County International Airport. Source: FAA NASR airport data, cycle 2026-10-01.
Does KMWH require landing permits?
It depends on the flight. No permits required for private non-revenue flights. eAPIS manifest mandatory for all international arrivals/departures. Permit details for United States
Where is KMWH located?
Grant County International Airport (KMWH) is located in Moses Lake, United States.
What is the IATA code for KMWH?
The IATA code for Grant County International Airport is MWH.
How long is the runway at KMWH?
The main runway at Grant County International Airport (04/22) measures 3048x30m.
Does KMWH have an ILS approach?
Yes, Grant County International Airport has ILS (Instrument Landing System) approaches on runway 14L/32R.
Is KMWH a port of entry?
Yes, with conditions. User fee airport: permission to land from CBP needed (19 CFR 122.15). Source: 19 CFR 122.15 User fee airports, 2026-10-13 (last amended 2025-11-17).