Airport information
- FAA LID
- 5U8
- Coordinates
- 47.5965, -110.2662
- Elevation
- 3,173 ft MSL
- Magnetic variation
- 16E
- Sectional chart
- GREAT FALLS
- Airport use
- Public
- Control tower
- No
- ARTCC
- SALT LAKE CITY (ZLC)
- Flight service (FSS)
- GREAT FALLS
- NOTAM facility
- GTF
- Attendance
- UNATNDD
- Beacon
- white-green (SEE RMK)
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1945/11
- Distance from city
- 0 S
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-21
| Event | Local (MDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 04:42 AM | 10:42Z |
| Sunrise | 05:23 AM | 11:23Z |
| Sunset | 09:22 PM | 03:22Z |
| Evening civil twilight Loggable night begins | 10:03 PM | 04:03Z |
Plan a flight from 5U8
Night operations
- Airport lighting
- SEE RMK
- Rotating beacon
- white-green · SEE RMK
- Pilot-controlled lighting
- ACTVT ROTG BCN - CTAF.; ACTVT MIRL RWY 08/26 - CTAF. on 122.8 — Chart Supplement ↗
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are in the live weather panel above.
Traffic pattern
- Landing
- Rwy 07
- Pattern
- left (turns left)
- TPA
- 4,200 ft MSL (≈1,000 AGL)
- CTAF
- 122.8
Enter the left downwind for Rwy 07 at 4,200 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 07/25
2,900 ft × 75 ft · ASPH-F- Heading
- n/a
- Heading
- n/a
| Runway | Length | Your margin |
|---|---|---|
| 07/25 | 2,900 ft |
Communication frequencies
| Service | Frequency | Notes |
|---|---|---|
| CTAF | 122.8 | ACTVT ROTG BCN - CTAF.; ACTVT MIRL RWY 08/26 - CTAF. |
| UNICOM | 122.8 |
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| GFA · Malmstrom | TACAN | 115.80 | r064° / 37.5 NM |
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- NONE
- Powerplant service
- NONE
- Parking
- tiedowns
- Other services
- Agricultural
Ownership & management
Remarks FAA
- ACTVT ROTG BCN - CTAF.
- MKD +31 FT PLINE 1400 FT FM RWY 26 END.
- FOR CD CTC SALT LAKE ARTCC AT 801-320-2568.
- ACTVT MIRL RWY 08/26 - CTAF.
- RISING TERRAIN AT 13:1 STARTING AT 150 FT FM RWY END TO A MAX HEIGHT OF +15 FT AT 385 FT FM END OF RWY.
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 5U8 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 5U8
Geraldine Airport (5U8) is an airport in Geraldine, MT, at 3,173 ft MSL. It has 1 runway, the longest 2,900 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 5U8, refreshed from the Aviation Weather Center and FAA NASR.
Does 5U8 have a control tower?
No. Geraldine Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at 5U8?
Geraldine Airport has 1 runway; the longest is 2,900 ft. See the Runways tab for headings, surface, and lighting.
Where is 5U8?
Geraldine Airport is in Geraldine, MT, at an elevation of 3,173 ft MSL. Coordinates: 47.5965, -110.2662.
Fly out of 5U8 often?
Save 5U8 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.