Randolph AFB Aux Airport (KSEQ), Texas
Landing essentials
Whether you can land, whether you can refuel, and how customs works here.
Overview
KSEQ, Randolph AFB Aux near Seguin, Texas, is a private-use military auxiliary field. Access is restricted to 12 FTW aircraft on official business, with all other operations requiring airfield management approval.
Runways
Randolph AFB Aux Airport has one paved runway, 13/31, 8,350 ft long and 150 ft wide, with an asphalt surface.
Runway geometry from published threshold coordinates. Not for navigation.
Source: FAA Form 5010.
Fuel and airfield services
The airport has no control tower.
Source: FAA Form 5010 / NASR.
Customs
Randolph AFB Aux Airport does not clear customs. The nearest port of entry is San Antonio International (KSAT), 29 NM away.
Source: CBP list of ports of entry.
Business aviation traffic
Randolph AFB Aux Airport recorded 0 business aviation movements in 2025. FAA TFMSC cross-border traffic data shows all recorded business aviation operations at KSEQ concentrated in a single period rather than spread across the year.
Business jet movements, FAA TFMSC count. Peak month January, 0 movements in 2025.
Source: FAA TFMSC, business jet movements, 2025.
Climate
Weather station is 3.3 NM from the field. Some values are estimated by the agency. 1991–2020 climate normals.
Source: NOAA NCEI.
Operating constraints
Randolph AFB Aux Airport has published operating constraints in four categories: access, runway notes, emergency arresting systems and other notes.
Only 12 FTW aircraft on official business may use this field. Airfield management must approve any other operations. Ground service is unavailable, and there is no transient alert or maintenance service. Firefighting capability is limited.
For clearance delivery, contact San Antonio Approach.
Caution: Runway 13-31 shoulders are unpaved, with medium-to-high potential for standing water and dynamic hydroplaning. Use caution during or following a rain event. Taxiway A shoulders are also unpaved.
Service-A-Gear: An MA1A arresting system is located 150 feet into each departure end overrun.
Miscellaneous: No aircraft recovery is available. The airfield is not equipped to support aircraft carrying hydrazine or hazardous cargo, live ordnance, or any aircraft requiring customs, agriculture, or immigration processing.
Miscellaneous: No fuel, fluid, or oil services are available.
Aircraft transiting through A-638 below 3000 feet MSL must contact the RY supervisory unit, call sign Charlie Brown, with position and altitude, on frequency 122.975 or 271.2.
Source: FAA Chart Supplement.
Nearby airfields
Randolph AFB Aux Airport has five airfields within 21 NM. The closest is Huber Airpark Civic Club Llc, 4.82 NM northwest.
Part of the San Antonio area.
Source: Skystar calculation from official coordinates.
Skystar at KSEQ
We arrange catering, fuel and trip support here. Supplier prices reach you unchanged; our coordination fee sits on its own line.
The same order, priced two ways.
$600.00 catering order at KSEQ.
Unchanged.
What the kitchen invoices us is what your quote reads.
One line, fixed.
The $75 minimum applies below $862.50.
At cost.
Passed on at the exact amount the processor took.
Market practice figures are industry averages, not a specific competitor.
Frequently asked questions
Can civilian or transient aircraft operate at KSEQ?
No. KSEQ, Randolph AFB Aux, is limited to 12 FTW aircraft on official business only. Any other operation requires prior approval from airfield management, and the field offers no ground service, transient alert, or maintenance support.
Is fuel available at Randolph AFB Aux (KSEQ)?
No fuel, fluid, or oil services are available at KSEQ. Aircraft planning to use this field must arrange fuel elsewhere before or after the stop.
Where does an aircraft needing customs clear near KSEQ?
KSEQ has no onsite customs, and the airfield is not equipped to support aircraft requiring customs, agriculture, or immigration processing. The nearest customs point is San Antonio (KSAT), about 29.35 nautical miles away.