Sioux Gateway Airport / Brigadier General Bud Day Field
SUX · KSUX · Sioux City, IA · Towered · Print kneeboard
FAA airport diagramView full size ↓ Nearby now
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-08-04 · night begins 09:13 PM
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:49 AM | 10:49Z |
| Sunrise | 06:21 AM | 11:21Z |
| Sunset | 08:42 PM | 01:42Z |
| Evening civil twilight Loggable night begins | 09:13 PM | 02:13Z |
Plan a flight from KSUX
Past 24 hours category · wind · ceiling · visibility trends
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Density altitude today projected curve · departure window · takeoff roll
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Advisories
NOTAMs
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Pilot reports
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Airspace hazards
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Runways
RWY 13LEFT traffic
- Heading
- 133° mag · 136° true
- Dimensions
- 9,002 × 150 ft
- TPA
- 2,100 ft MSL (≈1,000 AGL) · standard
- Surface
- Concrete
- Lights
- VASI (3°) + MALS
- ILS
- ILS · CAT I · LOC 111.3 (OIQ) · GS 3.00°
- CTAF
- 118.7
More details — RWY 13
- Threshold elev
- 1,093 ft
- Markings
- precision
- Approach obstacle
- Tree, 72 ft, 3,100 ft from threshold, 475 ft L of centerline — 40:1 slope to clear
- Threshold crossing height
- 50 ft
- TDZ elevation
- 1,095 ft
- Declared TORA/TODA/ASDA/LDA
- 9,002 / 9,002 / 9,002 / 9,002 ft
- LAHSO
- 5,400 ft (hold short of 18/36)
- Arresting gear
- BAK-12
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: schematic (headings + lengths)
| Runway | Length | Your margin |
|---|---|---|
| 13/31 | 9,002 ft | |
| 17/35 | 6,600 ft |
Prefer one flat page? Full runway details for KSUX → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the KSUX kneeboard →
Comms & NavAids
Communication frequencies
Before taxi
“Sioux City”Taxi & takeoff
“Sioux City”Departure & arrival
“Sioux City”Also
ATC assigns the exact frequency (in your clearance or on handoff) — which one depends on your SID (departing) or STAR (arriving).
By procedure & sector (7 frequencies)
| Frequency | Used by |
|---|---|
| 138.437 | ANG COMD POST |
| 235.625 | SIOUX CITY RCAG (LOW) |
| 254.3 | LCL/P |
| 270.8 | ATIS |
| 307.0 | APCH/P DEP/P |
| 348.6 | GND/P |
| 373.6 | ANG COMD POST |
Source: FAA NASR (current 28-day cycle).
Instrument landing systems
RWY 13 · RWY 31
| Runway | ILS |
|---|---|
| RWY 13 | ILS · CAT I · LOC 111.3 (OIQ) · GS 3.00° |
| RWY 31 | ILS/DME · CAT I · LOC 109.3 (SUX) · GS 3.00° |
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
SUX 116.50
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| SUX · Sioux City | TACAN | 116.50 · 112X | — | r312° / 4.1 NM |
Prefer one flat list? All KSUX frequencies →
Charts & procedures
Lowest minimums here: ILS with vertical guidance · VFR sectional →
Airport info
From the field
Do you run KSUX, or an FBO, flight school, or shop on it? Claim your listing to keep fuel, fees, hours, and services current.
Airport information
- ICAO / IATA
- KSUX / SUX
- Coordinates
- 42.3976, -96.3822
- Elevation
- 1,098 ft MSL
- Magnetic variation
- 3E
- Sectional chart
- OMAHA
- Airport use
- Public
- Control tower
- Yes
- Tower hours
- 0600-2130
- Airspace
- Class D · CLASS D SVC 0600-2130; OTHER TIMES CLASS E
- Weather station
- ASOS · 119.45 · ☎ 712-317-9924
- ARTCC
- MINNEAPOLIS (ZMP)
- Flight service (FSS)
- FORT DODGE · 122.2 · 1-800-WX-BRIEF
- FSS outlet
- RCO → Fort Dodge Radio (24)
- NOTAM facility
- SUX
- Attendance
- MON-SUN 0400-0000
- Beacon
- white-green (SS-SR)
- Segmented circle
- No
- Wind indicator
- lighted
- FAR 139 class
- I B
- Activated
- 1940/04
- Distance from city
- 6 S
Night operations
- Airport lighting
- SEE RMK
- Rotating beacon
- white-green · SS-SR
- Pilot-controlled lighting
- DUSK-DAWN. WHEN ATCT CLSD ACTVT MALS RWY 13; MALSR RWY 31; REIL RWY 18; VASI RWY 13 & 31; HIRL RWY 13/31; MIRL RWY 18/36 - CTAF. on 118.7 — Chart Supplement ↗
Runway lighting aids — 13: VASI + MALS · 31: VASI + MALSR.
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.
Services fuel · repairs · oxygen · attendance
- Fuel available
- 100LL, Jet A
- Bottled oxygen
- HIGH/LOW
- Bulk oxygen
- HIGH/LOW
- Airframe service
- MAJOR
- Powerplant service
- MAJOR
- Parking
- tiedowns, hangars
- Other services
- Air freight, Air ambulance, Charter, Instruction, Rental, Aircraft sales, Survey
Ownership & management 2 contacts
Remarks FAA · 21 notes
General
- APCH END RWY 31 - BAK-12(B)/14 LCTD (1492').
- APCH END RY 13 - BAK-12/14(B) LCTD(1500').
- PPR FOR USE OF ANG RAMP V(712)-233-0210.
- ANG RMRKS: OFFL BUS ONLY/PPR. COMMAND POST (24 HR OPN) DSN 585-0211 OR 585-0212 OR C712-233-0211/0212. EXTREMELY LIMITED PARKING. TRANS ACFT PAX IDENT & BAGGAGE SEARCH UNAVBL.BASE OPS OPR 1230-2230Z++ TUE-FRI EXC HOL. C712-233-0276 DSN 585-0276.
- (E60-13) BAK12/14 LCTD 1392' FROM THR.
- PAEW 2130-0600 DURING INCLEMENT WEATHER NOV-APR.
- CTN: OCNL BIRDWATCH COND - SEV DRG SPRING/FALL DUE TO MIGRATORY WATERFOWL. CIVILIAN TWR DOES NOT BROADCAST USAF BIRDWATCH COND. CTC AFLD MGMT FOR BIRD STS.
- RY 31 IS CALM WIND RY.
- SERVICE-FLUID: LPOX & LHNIT.
- SERVICE-JASU: 6(A/M32A-86) 6(A/M32-95).
- AFLD SURFACE CONDITIONS NOT MONITORED BY ARPT MANAGEMENT BTN 0000 - 0400 LCL DAILY.
- RSTD: ALL MIL OPS OPR 1300-2200Z++ TUE-FRI EXC HOL.
- SERVICE-OIL: JOAP- AVBL ONLY DUR ANG DUTY HR.
- CAUTION: PORTIONS OF TWY A SE OF TWY B NOT VIS BY TWR.
- FUEL: A++
- ATCT HAS LIMITED VISIBILITY OF TWY A NEAR ARFF BLDG AND OF TWY G.
- FOR CD IF UNA TO CTC ON FSS FREQ, CTC MINNEAPOLIS ARTCC AT 651-463-5588.
Runways
- PCR VALUE: 540/R/C/W/T
- PCR VALUE: 430/F/D/X/T
Lighting
- DUSK-DAWN. WHEN ATCT CLSD ACTVT MALS RWY 13; MALSR RWY 31; REIL RWY 18; VASI RWY 13 & 31; HIRL RWY 13/31; MIRL RWY 18/36 - CTAF.
Fuel
- FOR FUEL AND SUPPORT AFT HRS BY PPR OR CALL IN.
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Nearby airports
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Also nearby: NE75 Kristijanto Airstrip (private) (2 NM) · 7K8 Martin Field (5 NM) · IA84 Lawton Airport (private) (9 NM) · 7K7 Graham Field (10 NM) · IA58 B-8 Farms Airport (private) (19 NM) · SD00 MJ Aviation II Airport (private) (22 NM)
About KSUX
Sioux Gateway Airport / Brigadier General Bud Day Field (SUX · KSUX) is an airport in Sioux City, IA, at 1,098 ft MSL. It has 2 runways, the longest 9,002 ft, with a control tower. This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for KSUX, refreshed from the Aviation Weather Center and FAA NASR.
Does KSUX have a control tower?
Yes. Sioux Gateway Airport / Brigadier General Bud Day Field has an operating FAA control tower. See the Comms & NavAids section for tower and ground frequencies.
What is the longest runway at KSUX?
Sioux Gateway Airport / Brigadier General Bud Day Field has 2 runways; the longest is 9,002 ft. See the Runways section for headings, surface, and lighting.
Where is KSUX?
Sioux Gateway Airport / Brigadier General Bud Day Field is in Sioux City, IA, at an elevation of 1,098 ft MSL. Coordinates: 42.3976, -96.3822.
Fly out of KSUX often?
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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 KSUX 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.