Roseau Municipal / Rudy Billberg Field (KROX), Minnesota
Landing essentials
Whether you can land, whether you can refuel, and how customs works here.
Overview
Roseau Municipal / Rudy Billberg Field serves the Roseau, Minnesota area with a paved 4,400-foot runway and a seasonal turf strip, positioning it as a modest but functional stop for business aviation in the region. The field is unattended and relies on self-service fueling, with both 100LL and Jet A available around the clock via credit card. Customs clearance is not offered on site; the nearest facility sits at Warroad International Memorial, roughly 14.68 nautical miles away. With 559 business aviation operations recorded in 2025 against 685 total annual operations, KROX functions as a lower-volume field best suited to operators planning around its unattended status and seasonal runway limitations.
Runways
Roseau Municipal / Rudy Billberg Field has two paved and unpaved runways. The longest, 16/34, is 4,400 ft long and 75 ft wide, with an asphalt surface.
Runway geometry from published threshold coordinates. Not for navigation.
Runways are listed longest first.
Source: FAA Form 5010.
Fuel and airfield services
Roseau Municipal / Rudy Billberg Field has Jet A and 100LL available on the field. The airport has no control tower.
Source: FAA Form 5010 / NASR.
Customs
Roseau Municipal / Rudy Billberg Field does not clear customs. The nearest port of entry is Warroad International Memorial (KRRT), 15 NM away.
Source: CBP list of ports of entry.
Business aviation traffic
Roseau Municipal / Rudy Billberg Field recorded 559 business aviation movements in 2025. Traffic peaks in July, August and September. Business aviation traffic at KROX is concentrated in the summer and early fall months, with September, July, and August posting the highest counts and February and November the lowest.
Business jet movements, FAA TFMSC count. Peak month September, 60 movements in 2025.
Source: FAA TFMSC, business jet movements, 2025.
Climate
Roseau Municipal / Rudy Billberg Field averages 0.8 days above 90°F in July and 31.0 freeze days in January. July is the warmest month, with average highs of 76.9°F, and January the coldest, at 13.2°F.
Weather station is 14.7 NM from the field. Some values are estimated by the agency. 1991–2020 climate normals.
Source: NOAA NCEI.
Operating constraints
Roseau Municipal / Rudy Billberg Field has published operating constraints in two categories: runway notes and other notes.
The MALSF lighting system on Runway 16 can be activated or set to increased intensity by pilot control. Runway 34 has a non-standard REIL. PAPI is installed on both Runway 16 and Runway 34, and MIRL serves Runway 16/34, all controlled via CTAF. The non-standard REIL on Runway 34 operates continuously from dusk until 0000. MIRL on Runway 16/34 is preset to low intensity.
This runway is closed during winter months.
Fuel is available 24 hours a day via credit card.
For customs, if unable to contact on FSS frequency, contact Minneapolis ARTCC.
Source: FAA Chart Supplement.
Nearby airfields
Roseau Municipal / Rudy Billberg Field has three airfields within 50 NM. The closest is Warroad International Memorial (KRRT), 14.68 NM east.
Source: Skystar calculation from official coordinates.
Skystar at KROX
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.
$1,200.00 catering order at KROX.
Unchanged.
What the kitchen invoices us is what your quote reads.
One line, fixed.
It does not move with the size of the order.
At cost.
Passed on at the exact amount the processor took.
Market practice figures are industry averages, not a specific competitor.
Frequently asked questions
Does KROX have on-site customs clearance?
Roseau Municipal / Rudy Billberg Field does not have customs service on site. The nearest customs facility is Warroad International Memorial, located about 14.68 nautical miles away. Crews requiring customs clearance near KROX need to route through that facility instead. Plan international arrivals accordingly since no CANPASS or onsite processing is available at Roseau.
What runways are available at Roseau Municipal / Rudy Billberg Field?
KROX offers two runways: a paved 16/34 strip measuring 4,400 feet by 75 feet with an asphalt surface, and a 06/24 turf runway of 2,097 feet by 250 feet. The 4,400-foot paved runway represents the airport's longest available surface for business aviation operations. The turf runway is not paved and is closed during winter months according to airport remarks.
Is fuel available at KROX and what type?
Roseau Municipal / Rudy Billberg Field stocks both 100LL avgas and Jet A fuel. Fuel is available around the clock via credit card, since the field itself is unattended. Dispatchers should note there is no staffed attendance schedule at KROX, so self-service credit card fueling is the standard arrangement here.
How much business aviation traffic does KROX see, and is it seasonal?
KROX recorded 559 business aviation operations in 2025 according to FAA TFMSC data, out of 685 total annual operations. Traffic is concentrated in the warmer months, with September, July, and August posting the highest monthly counts. February and November see the lowest activity. This seasonal pattern is worth factoring into scheduling decisions at Roseau.