Whidbey Island Naval Air Station (Ault Field) Private

NUW · KNUW · Oak Harbor, WA · 47 ft elevation · var 18E · Towered

Overview Weather Runways Comms & NavAids Charts Services & info

Airport information

ICAO / IATA: KNUW / NUW
Coordinates: 48.3518, -122.6560
Elevation: 47 ft MSL
Magnetic variation: 18E
Sectional chart: SEATTLE
Airport use: Private
Control tower: Yes
Tower hours: 24 hours
Airspace: Class C · CLASS C SVC CONTINUOUS
Weather station: ASOS · 134.15 · ☎ 360-257-8813
ARTCC: SEATTLE (ZSE)
Flight service (FSS): SEATTLE · 1-800-WX-BRIEF
NOTAM facility: NUW
Attendance: ALL ALL
Beacon: S-white-green (SS-SR)
Segmented circle: No
Activated: 1950/01
Distance from city: 3 N

Weather

METAR observed

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TAF forecast

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Sun & FAA night 2026-06-22

Event	Local (PDT)	UTC
Morning civil twilight Loggable night ends	04:28 AM	11:28Z
Sunrise	05:10 AM	12:10Z
Sunset	09:16 PM	04:16Z
Evening civil twilight Loggable night begins	09:57 PM	04:57Z

Loggable night (§1.1)

09:57 PM → 04:28 AM

Night currency (§61.57)

10:16 PM → 04:10 AM

Plan a flight from KNUW

Destination (ICAO)

TAS (kt)Burn (gph)Reserve (hr)Wind from (°)Wind (kt)

Night operations

Airport lighting: SEE RMK
Rotating beacon: S-white-green · SS-SR

Runway lighting aids — 07: 4-light PAPI (left) · 25: 4-light PAPI (left) + ALSF1 · 14: 4-light PAPI (left) + ALSF2 · 32: 4-light PAPI (left) + ALSF2.

FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are in the live weather panel above.

Traffic pattern

Landing runway

LEFT traffic

Landing: Rwy 07 · 069°
Pattern: left (turns left)
TPA: 1,000 ft MSL (≈1,000 AGL)

Enter the left downwind for Rwy 07 at 1,000 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).

Runway 07/25

7,999 ft × 200 ft · Concrete (Good)

Edge lights: High. PCN 33.

Heading: 069° mag · 87° true
Threshold elev: 18 ft
Markings: precision
VGSI: 4-light PAPI (left) (3°)
Traffic pattern: Left
Arresting gear: E28
Threshold crossing height: 50 ft
TDZ elevation: 25 ft

Heading: 249° mag · 267° true
Threshold elev: 24 ft
Markings: precision
VGSI: 4-light PAPI (left) (3°)
Approach lights: ALSF1
Traffic pattern: Left
Arresting gear: E28
Threshold crossing height: 51 ft
TDZ elevation: 28 ft

Runway 14/32

8,001 ft × 200 ft · Concrete (Good)

Edge lights: High. PCN 59.

Heading: 137° mag · 155° true
Threshold elev: 39 ft
Markings: precision
VGSI: 4-light PAPI (left) (3°)
Approach lights: ALSF2
Instrument landing: ILS/DME · CAT I · LOC 110.1 (NUW) · GS 3.00°
Traffic pattern: Left
Arresting gear: E28
Threshold crossing height: 49 ft
TDZ elevation: 39 ft
End lights: centerline, TDZ

Heading: 317° mag · 335° true
Threshold elev: 47 ft
Markings: precision
VGSI: 4-light PAPI (left) (3°)
Approach lights: ALSF2
Traffic pattern: Left
Arresting gear: E28
Threshold crossing height: 38 ft
TDZ elevation: 47 ft
End lights: centerline

Will it fit? Your aircraft's required runway length (from the POH) — checked against every runway here

ft · ≥1.5× comfortable, under 1.25× tight · saved across airports

Runway	Length	Your margin
07/25	7,999 ft
14/32	8,001 ft

Communication frequencies

Tower & ground · “Whidbey”

ATIS	134.15
Clearance	135.1
Ground	121.75
Tower	127.9
Flight service	122.4
Emergency	121.5

Approach & departure · “Whidbey”

App/Dep	118.2	WEST · initial contact
App/Dep	120.7	EAST · initial contact

ATC assigns the exact frequency (in your clearance or on handoff) — which one depends on your SID (departing) or STAR (arriving).

By procedure & sector (11 frequencies)

Frequency	Used by
118.2	CLASS C (WEST)
120.7	CLASS C (EAST)
243.0	EMERG
270.8	APCH/P DEP/P IC (EAST) · CLASS C (EAST)
281.5	ATIS
285.65	APCH/P DEP/P (WEST) · CLASS C (WEST)
336.4	GND/P
340.2	LCL/P
343.4	PMSV METRO
350.1	PTD
379.9	CD/P

Source: FAA NASR (current 28-day cycle).

Instrument landing systems

Runway	ILS
RWY 14	ILS/DME · CAT I · LOC 110.1 (NUW) · GS 3.00°

Source: FAA NASR (current 28-day cycle).

Nearby navigation aids

NavAid	Type	Freq	Radial / Dist magnetic
NUW · Whidbey Island	TACAN	113.80	r107° / 0.3 NM
CVV · Penn Cove	VOR-DME	117.20	r004° / 7 NM
PAE · Paine	VOR-DME	110.60	r310° / 30 NM
HUH · Whatcom	VORTAC	113.00	r165° / 35.8 NM

Airport diagram

Open PDF ↗

Preview diagram

Procedures at a glance

Lowest mins: ILS · vertical guidance Diverse Vector Area ↗ Takeoff mins / ODP ↗

Approaches13

Departures

NASWI THREE (OBSTACLE) ↗

Minimums & Hot Spots

Chart Supplement FAA A/FD

Open PDF ↗

Preview Chart Supplement

VFR sectional

Open KNUW on the VFR sectional (SkyVector) ↗

Services

Fuel available: 100LL, Jet (JP-5), Jet (JP-8)
Bottled oxygen: NONE
Bulk oxygen: HIGH/LOW

Ownership & management

Owner

U S NAVY

OCEANOGRAPHIC OFC CODE 3142, WASHINGTON, D C

Manager

COMMANDING OFFICER

NAS WHIDBEY ISLAND, OAK HARBOR, WA

360 257 2681

Remarks FAA

THIS AIRPORT HAS BEEN SURVEYED BY THE NATIONAL GEODETIC SURVEY.
RSTD: PPR REQUIRED FOR ALL ACFT EXC SAR/MEDEVAC. CTC AIR TERMINAL SUPERVISOR, 1430-0100Z++ AT DSN 820-2604/6707, C360-257-2604/6707. PRIOR COORD/FLT ADVSY RQR FOR AMC/JOSAC/NALO MSN.
TFC PAT - OVERHEAD INITIAL FOR RWYS 7, 14, 32 4NM 2500', RWY 25 6NM 3000'; OVERHEAD BREAK 1500'; PATTERN ALT 1000'.
SEE FLIP AP/1.
CSTMS/AG/IMG: 48 HR PN REQ, CTC AIR TERMINAL SUPERVISOR, 1430-0100Z++ AT DSN 820-2604/6707, C360-257-2604/6707.
SERVICE- JASU - 1 (NC-10C), 1 (GTC-85/GTE-85), 1(MSU-200NAV/ A/U47A-5 FUEL-J8 FLUID-SP PRESAIR DE-ICE (2 HR PN REQ) LHOX TRAN ALERT- TRAN CREWS MUST PROVIDE TECHNICAL DIRECT/ASSISTANCE IN SVC/MAINT TO INCLUDE DIRECT SUPERVISION OF FUELING. LTD SVC/MAINT AVBL 1500-2300Z++ MON-FRI. NO MAINT SAT, SUNAND HOL. AIR TERMINAL OPR 1400-0200Z++, AS RQR OT.
OLS LENSES AVBL TO ALL RWY.
HIRL AND SFL UNAVBL TO RWY 7. RCLL AVBL TO RWY 14-32 ONLY.
OPERATIONS DUTY OFFICER C360-257-2681, DSN 820-2681.
FOR CIVIL AIRCRAFT LANDING PERMITS (CALP) REQUESTS CTC OPS DUTY OFFICER.
CTN: LANDING SIGNAL OFFICER SHELTER 15 FT AGL, 32 FT FROM RWY EDGE, LCTD LEFT SIDE RWY, 558 FT FROM RWY 07 THLD AND 400 FT FROM THLD ON RWY 14, 25 AND 32. LARGE ACFT EXER CTN. EXTREME CTN RQRD FOR BACK TAXI IN LAST 1000 FT OF ALL RWYS.
CTN: NO WEPS LOADING OR OFFLOADING BTN HN.
DCT REFUL FAC LANES NOT AVBL TO TRAN ACFT.
SERVICE - PAPI RWY 07/25 AND RWY 14/32 H24.
AVBL ONLY DURING HRS OF OPERATION.
RWY 14/32 PORTION OF SE END BTN 3000 & 2000 FT REMAINING MKR NOT FULLY VISIBLE FM ATCT.

Nearby airports

KOKH · AJ Eisenberg Airport (6 NM)WN18 · Becker's Landing AirportPrivate (8 NM)74S · Anacortes Airport (9 NM)WN40 · Coupeville AirparkPrivate (10 NM)KNRA · Coupeville Nolf AirportPrivate (10 NM)13W · Camano Island Airfield (10 NM)

Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open KNUW in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.

About KNUW

Whidbey Island Naval Air Station (Ault Field) (NUW · KNUW) is an airport in Oak Harbor, WA, at 47 ft MSL. It has 2 runways, the longest 8,001 ft, with a control tower. This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for KNUW, refreshed from the Aviation Weather Center and FAA NASR.

Does KNUW have a control tower?

Yes. Whidbey Island Naval Air Station (Ault Field) has an operating FAA control tower. Check the Comms & NavAids tab for tower and ground frequencies.

What is the longest runway at KNUW?

Whidbey Island Naval Air Station (Ault Field) has 2 runways; the longest is 8,001 ft. See the Runways tab for headings, surface, and lighting.

Where is KNUW?

Whidbey Island Naval Air Station (Ault Field) is in Oak Harbor, WA, at an elevation of 47 ft MSL. Coordinates: 48.3518, -122.6560.

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