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

Whidbey Island Naval Air Station (Ault Field) (KNUW/NUW) — Oak Harbor, United States

Whidbey Island Naval Air Station (Ault Field) (KNUW/NUW) serves Oak Harbor, United States. This is a mid-sized airport with 2 runways (07/25, 14/32). Field elevation is 47 ft AMSL. Data on this page is maintained by the aviation community — contribute to keep it accurate.

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83% Data Complete 43 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 3/10
Observed Activity · Jul 27
64 aircraft observed within 6 NM · 4 on the ground · busiest hour 23:00Z
2026-07-182026-07-27
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: KNUW
  • Name: Whidbey Island Naval Air Station (Ault Field)
  • Type: medium_airport
  • Category: Military
  • Latitude: 48.351799
  • Longitude: -122.655998
  • Elevation: 47 ft
  • Country: United States
  • Municipality: Oak Harbor
  • IATA Code: NUW
  • FAA Code: N/A
  • FIR: N/A
  • Timezone: America/Los_Angeles
  • Distance from City: N/A km
  • VFR: Yes
  • IFR: No

Runways

Runway 07/25

  • Designation: 07/25
  • Dimensions: 2438x61m
  • Surface: CON
  • PCN: 33
  • Lighting: Lighted
  • NAVAIDs: N/A
  • Approach Types: N/A
  • Remarks: N/A

Runway 14/32

  • Designation: 14/32
  • Dimensions: 2439x61m
  • Surface: CONC
  • PCN: 59
  • Lighting: Not lighted
  • NAVAIDs: N/A
  • Approach Types: N/A
  • Remarks: N/A

Frequencies

  • Tower: 127.900 MHz
  • Ground: 121.750 MHz
  • Operations: 35.010 MHz
  • Traffic/Approach: N/A
  • ATIS: 134.150 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

Whidbey Island Naval Air Station (Ault Field) operates 24 hours (H24). See all 24-hour airports worldwide →

  • Extra Hours On Request: No
  • Remarks: N/A

Contacts

  • AIS Tel: N/A
  • ARO Tel: N/A
  • MET Tel: N/A
  • Admin Tel: +1 360 257 2681
  • 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

Fuel Information

  • Fuel Type: 100LL
  • Price/L: N/A
  • Last Updated: N/A
  • Remarks: N/A
  • Fuel Type: JP-5
  • Price/L: N/A
  • Last Updated: N/A
  • Remarks: N/A
  • Fuel Type: JP-8
  • Price/L: N/A
  • Last Updated: N/A
  • Remarks: N/A

Immigration

  • Port of Entry: No
  • GENDEC Required: No
  • GAR Required: No
  • Remarks: N/A

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

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Airport History

Discover the key milestones and historical events that shaped Whidbey Island Naval Air Station (Ault Field). Our community-powered timeline traces this airport's journey from its origins to the present day.

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Frequently Asked Questions
What are the operating hours of KNUW?
Whidbey Island Naval Air Station (Ault Field) operates from 00:00 to 23:59.
What is the tower frequency at KNUW?
The tower frequency at Whidbey Island Naval Air Station (Ault Field) is 127.9 MHz.
What fuel is available at KNUW?
Whidbey Island Naval Air Station (Ault Field) offers 100LL, JP-5, JP-8.
Does KNUW require landing permits?
Yes, landing permits are required for Whidbey Island Naval Air Station (Ault Field) (United States).
Where is KNUW located?
Whidbey Island Naval Air Station (Ault Field) (KNUW) is located in Oak Harbor, United States.
What is the IATA code for KNUW?
The IATA code for Whidbey Island Naval Air Station (Ault Field) is NUW.
How long is the runway at KNUW?
The main runway at Whidbey Island Naval Air Station (Ault Field) (07/25) measures 2438x61m.