Airport information
- FAA LID
- ID89
- Coordinates
- 45.2785, -113.9013
- Elevation
- 3,805 ft MSL
- Sectional chart
- GREAT FALLS
- Airport use
- Private
- Control tower
- No
- ARTCC
- SALT LAKE CITY (ZLC)
- Flight service (FSS)
- BOISE
- Segmented circle
- No
- Activated
- 2025/05
- Distance from city
- 3 N
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 | 05:10 AM | 11:10Z |
| Sunrise | 05:48 AM | 11:48Z |
| Sunset | 09:27 PM | 03:27Z |
| Evening civil twilight Loggable night begins | 10:05 PM | 04:05Z |
Plan a flight from ID89
Traffic pattern
- Landing
- Rwy 1
- Pattern
- left (turns left)
- TPA
- 4,800 ft MSL (≈1,000 AGL)
Enter the left downwind for Rwy 1 at 4,800 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 1/19
1,973 ft · Turf- Heading
- n/a
- Heading
- n/a
Headings shown are true (magnetic variation unavailable).
| Runway | Length | Your margin |
|---|---|---|
| 1/19 | 1,973 ft |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| LKT · Salmon | VOR-DME | 113.50 | r009° / 17.3 NM |
VFR sectional
No published instrument procedures or Chart Supplement for ID89. VFR sectional link above.
Ownership & management
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 ID89 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 ID89
Big Flat Airport (ID89) is an airport in Carmen, ID, at 3,805 ft MSL. It has 1 runway, the longest 1,973 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for ID89, refreshed from the Aviation Weather Center and FAA NASR.
Does ID89 have a control tower?
No. Big Flat Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at ID89?
Big Flat Airport has 1 runway; the longest is 1,973 ft. See the Runways tab for headings, surface, and lighting.
Where is ID89?
Big Flat Airport is in Carmen, ID, at an elevation of 3,805 ft MSL. Coordinates: 45.2785, -113.9013.
Fly out of ID89 often?
Save ID89 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.