wxdecoder
27IS

Gelfius International Airport

Dahlgren, IllinoisElevation 530 ftSmall airport

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RUNWAYS

Runway detail & declared distances

1 runway · longest 1,800 ft

13/31
Dimensions
1,800 x 70 ft
Surface
Turf
RWY 13
RWY 31

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

AIRPORT INFORMATION

Facility & services

Gelfius International Airport is in Dahlgren, Illinois. Field elevation 530 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeSmall airport
ManagerGLENN E GELFIUS
Manager phone618-214-5337
AttendedUNATNDD
CHARTS & AIRSPACE
ICAO / IATA27IS
SectionalST LOUIS
Center (ARTCC)KANSAS CITY
Flight service (AFSS)COLUMBIA
RegionIllinois
CountryUnited States
Coordinates38.1489, -88.6703
Distance from city3 NM SE
SERVICES & LIGHTING
Control towerNon-towered
AIRPORT REMARKS

Operational remarks

›FOR CD CTC KANSAS CITY ARTCC AT 913-254-8508.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗27IS on OurAirports
FREQUENTLY ASKED
Does 27IS have a METAR?
No on-field METAR is issued for 27IS. This page uses the nearest reporting station as a reference.
Does 27IS have a TAF?
No TAF is issued directly for 27IS. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 27IS?
27IS sits at 530 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 27IS?
No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.
This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.