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, 118.25 MHz.

What fuel is available at KMWH?

Grant County International Airport offers Jet A, 100LL, Jet A-1+.

Does KMWH require landing permits?

Yes, landing permits are required for Grant County International Airport (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, Grant County International Airport is a port of entry where international flights can clear customs and immigration.

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

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

Grant County International Airport (KMWH/MWH) serves Moses Lake, United States. This is a mid-sized airport with 7 runways (04/22, 09/27). Field elevation is 1189 ft AMSL. Data on this page is maintained by the aviation community — contribute to keep it accurate.

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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

Data last updated: 2026-03-27

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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, 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

Extra Hours On Request: No
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: No
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

Fuel Type: Jet A
Price/L: N/A
Last Updated: 2026-02-18
Remarks: Japan Airlines flight training. Boeing test flights. Good fuel infrastructure.

Fuel Type: 100LL
Price/L: N/A
Last Updated: N/A
Remarks: N/A

Fuel Type: Jet A-1+
Price/L: N/A
Last Updated: N/A
Remarks: N/A

Immigration

Port of Entry: Yes
GENDEC Required: Yes
GAR Required: No
Remarks: CBP port of entry. International flight training. eAPIS required.

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

06/080 warning

ILS out of service

ILS RWY 32R OM U/S

2026-06-26 08:29:00 2026-12-09 20:00:00

04/050 warning

ILS restriction

ILS RWY 32R GP NOT MNT

2026-04-30 19:55:00 2026-07-31 20:00:00

07/022 info

RWY 32R MEDIUM INTST ALS WITH RAI LGT U/S

2026-07-15 16:00:00 2026-07-15 18:00:00

+6 more active NOTAMs

View all NOTAMs on Map

Nearby Airports

04WN Stillwater Creek Airport 20 NM 33WA Franz Ranch Airport 21 NM 2WA2 Red Rock Field 23 NM 4WA0 B & G Farms Airport 24 NM 2S5 Waterville Airport 40 NM 3WA4 Watson Airport 41 NM 37WA Baumann Farm Inc. Airport 42 NM 42WA Sheffels Ranch Airport 42 NM

Compare KMWH with 04WN side by side →

Airport History

Discover the key milestones and historical events that shaped Grant County International Airport. Our community-powered timeline traces this airport's journey from its origins to the present day.

Explore History

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, 118.25 MHz.
What fuel is available at KMWH?: Grant County International Airport offers Jet A, 100LL, Jet A-1+.
Does KMWH require landing permits?: Yes, landing permits are required for Grant County International Airport (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, Grant County International Airport is a port of entry where international flights can clear customs and immigration.

View on Map