Gelfius International Airport Private
27IS · Dahlgren, IL · 530 ft elevation · var 1E · Non-towered
Airport information
- FAA LID
- 27IS
- Coordinates
- 38.1489, -88.6703
- Elevation
- 530 ft MSL
- Magnetic variation
- 1E
- Sectional chart
- ST LOUIS
- Airport use
- Private
- Control tower
- No
- ARTCC
- KANSAS CITY (ZKC)
- Flight service (FSS)
- COLUMBIA
- Attendance
- UNATNDD
- Segmented circle
- No
- Activated
- 1987/02
- Distance from city
- 3 SE
Weather
METAR observed
Loading current weather…
TAF forecast
Loading forecast…
Sun & FAA night 2026-06-21
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:00 AM | 10:00Z |
| Sunrise | 05:32 AM | 10:32Z |
| Sunset | 08:21 PM | 01:21Z |
| Evening civil twilight Loggable night begins | 08:53 PM | 01:53Z |
Plan a flight from 27IS
Traffic pattern
- Landing
- Rwy 13
- Pattern
- left (turns left)
- TPA
- 1,500 ft MSL (≈1,000 AGL)
Enter the left downwind for Rwy 13 at 1,500 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 13/31
1,800 ft × 70 ft · Turf- Heading
- n/a
- Traffic pattern
- Left
- Approach obstacle
- Fence, 4 ft
- Heading
- n/a
- Traffic pattern
- Left
- Approach obstacle
- Road, 15 ft
| Runway | Length | Your margin |
|---|---|---|
| 13/31 | 1,800 ft |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| VNN · Mount Vernon | VOR-DME | 113.80 | r151° / 14.3 NM |
| ENL · Centralia | VORTAC | 115.00 | r121° / 28.2 NM |
| MWA · Marion | VOR-DME | 110.40 | r030° / 28.7 NM |
| SAM · Samsville | VOR-DME | 116.60 | r231° / 34.1 NM |
VFR sectional
No published instrument procedures or Chart Supplement for 27IS. VFR sectional link above.
Ownership & management
Remarks FAA
- FOR CD CTC KANSAS CITY ARTCC AT 913-254-8508.
Nearby airports
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 27IS 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.
About 27IS
Gelfius International Airport (27IS) is an airport in Dahlgren, IL, at 530 ft MSL. It has 1 runway, the longest 1,800 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 27IS, refreshed from the Aviation Weather Center and FAA NASR.
Does 27IS have a control tower?
No. Gelfius International Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at 27IS?
Gelfius International Airport has 1 runway; the longest is 1,800 ft. See the Runways tab for headings, surface, and lighting.
Where is 27IS?
Gelfius International Airport is in Dahlgren, IL, at an elevation of 530 ft MSL. Coordinates: 38.1489, -88.6703.
Fly out of 27IS often?
Save 27IS as your home base in the SkyReady app for a one-tap Go/No-Go readiness brief, weather alerts, and automatic FAA currency — free to log.