Sioux Gateway/Brig General Bud Day Field
SUX · KSUX · Sioux City, Iowa · Woodbury County · map
Sioux Gateway/Brig General Bud Day Field is a public-use airport owned by Sioux Gateway Airport, 6 miles south of Sioux City, Iowa, 1,098 feet above sea level. It has 2 runways; the longest, 13/31, is 9,002 feet of concrete. It has a control tower and fuel (100LL avgas, Jet A).
Weather right now KSUX · observed 3:52 pm CDT (20:52 UTC), 30 minutes ago
VFR good flying weather
- Wind variable at 5 knots
- Visibility 10 miles or more
- Temperature 87°F (31°C), dew point 53°F (12°C)
- Altimeter 29.83 inHg
The forecast issued Tue 12:20 pm CDT (17:20 UTC), good until Wed 1:00 pm CDT (18:00 UTC)
- From Tue 1:00 pm CDT (18:00 UTC): wind from the west at 6 knots, visibility more than 6 miles, clear skies VFR
- From Wed 12:00 am CDT (05:00 UTC): wind light and variable, visibility more than 6 miles, a few clouds at 25,000 feet VFR
The codes as issued (METAR and TAF)
METAR KSUX 062052Z VRB05KT 10SM CLR 31/12 A2983 RMK AO2 SLP093 T03060117 56020
TAF KSUX 061720Z 0618/0718 26006KT P6SM SKC FM070500 VRB03KT P6SM FEW250
From the National Weather Service's aviation weather service, refreshed every few minutes; times are local to the airport with UTC in brackets. For a flight, get your briefing from Flight Service or an approved provider.
The airport
- Codes
- FAA SUX · ICAO KSUX
- Kind
- Airport · open to the public · publicly owned
- Owner
- Sioux Gateway Airport
- Elevation
- 1,098 feet above sea level
- Control tower
- A control tower with a TRACON · 6:00 am to 9:30 pm
- Attended
- Monday to Friday, 6:00 am to 12:00 am; weekends, 6:00 am to 12:00 am
- Lights
- runway lights see the remarks below; beacon sunset to sunrise
- Fuel
- 100LL avgas, Jet A
- Repairs
- airframe: major repairs; engine: major repairs
- Parking
- hangar, tiedown
- Notes
- certified for airline service (Part 139)
- On the chart
- Omaha sectional
- Magnetic variation
- 3E
- In the FAA's files since
- April 1940
Runways 2
For understanding the field, not for navigation.
| Runway | Length × width | Surface | Lights |
|---|---|---|---|
| 13/31 | 9,002 × 150 ft | Concrete, good | High-intensity lights |
| 18/36 | 6,401 × 100 ft | Asphalt, fair | Medium-intensity lights |
- Runway 13: ILS, VASI, four boxes on the left, medium-intensity approach lights (MALS), tree 72 ft high 3,100 ft from the end
- Runway 31: ILS with DME, VASI, four boxes on the left, medium-intensity approach lights with runway alignment lights (MALSR)
- Runway 18: PAPI, four lights on the right, trees 47 ft high 1,160 ft from the end
- Runway 36: PAPI, four lights on the left, pole 16 ft high 900 ft from the end
Radio frequencies
| Common traffic advisory (CTAF) · Tower | 118.7 | Sioux City |
| UNICOM | 122.95 | |
| ATIS (recorded airport information) · Sux and automated weather (ASOS) | 119.45 | Sioux City |
| Ground | 121.9 | Sioux City |
| Approach and departure | 124.6 | Sioux City |
| Emergency | 121.5 | Sioux City |
| Sioux City Center (remote transmitter) Low | 125.025 | Sioux City |
| Ang Comd Post | 138.437 | Sioux City |
Automated weather (ASOS), by phone 712-317-9924.
Wind map live wind over the area, from Windy.com
Colours show wind speed, the moving lines its direction; drag the time bar for the coming days. Map and forecast by Windy.com.
Aircraft registered in Sioux City from the FAA register
52 aircraft are registered to owners in Sioux City, Iowa: 41 piston singles, 4 turboprops, 3 business jets, 2 piston twins, 1 helicopter. Not every one of them is based at this airport; the based-aircraft count above is the FAA's figure for this airport alone.
Companies and organisations in town with two or more aircraft:
Individuals are counted, never named. All aircraft registered in Iowa.
Accidents and incidents at or near this airport NTSB records · 5 since 1982, 1 fatal
Cases the NTSB recorded with this as the nearest airport, newest first. Each opens the full report in plain English.
Nearby within 30 nautical miles
The FAA's remarks as written in the airport file
- Rescue and firefighting (ARFF) index D fire fighting equiptment available on request.
- Dusk to dawn. When the control tower closed activate mals runway 13; approach lights (MALSR) runway 31; runway end identifier lights runway 18; VASI runway 13 and 31; high-intensity runway lights runway 13/31; medium-intensity runway lights runway 18/36 - the common traffic frequency.
- BAK-14 BAK-12B(B) (1392').
- BAK-14 BAK-12B(B) (1492').
- Approach end runway 31 - BAK-12(B)/14 located (1492').
- Approach end runway 13 - BAK-12/14(B) located(1500').
- Ang rmrks: offl bus only/prior permission required. Command post (24 hour open) dsn 585-0211 or 585-0212 or C712-233-0211/0212. Extremely limited parking. Transient aircraft passenger ident and baggage search unavailable.base operations operates 1230-2230Z++ TUE-FRI except holidays. C712-233-0276 dsn 585-0276.
- (E60-13) BAK12/14 located 1392' from threshold.
- Paew 9:30 pm to 6:00 am during inclement weather NOV-APR.
- Ctn: occasional birdwatch condition - sev drg spring/fall due to migratory waterfowl. Civilian tower does not broadcast usaf birdwatch condition. Contact afld mgmt for bird sts.
- Runway 31 is calm wind runway.
- SERVICE-FLUID: lpox and lhnit.
Facts from the FAA's airport file effective October 1, 2026, written out in plain English; weather from the National Weather Service's aviation weather service; registered aircraft from the FAA register as of October 5, 2026; accidents from the NTSB's public database. Owners are shown only when they are an organisation; no person is named. Check the official sources before a flight: this page is for understanding an airport, not for planning one.