Big Flat Airport Private
ID89 · Carmen, ID · Non-towered · Print kneeboard
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-08-04 · night begins 09:33 PM
| Event | Local (MDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:50 AM | 11:50Z |
| Sunrise | 06:23 AM | 12:23Z |
| Sunset | 08:59 PM | 02:59Z |
| Evening civil twilight Loggable night begins | 09:33 PM | 03:33Z |
Plan a flight from ID89
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Advisories
NOTAMs
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Pilot reports
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Airspace hazards
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Runways
RWY 1LEFT traffic
- Heading
- 010° true
- Dimensions
- 1,973 ft
- TPA
- 4,800 ft MSL (≈1,000 AGL) · standard
- Surface
- Turf
Enter the left downwind (heading 190°) on the 45° at 4,800 ft MSL (≈1,000 AGL).
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: schematic (headings + lengths)
Headings shown are true (magnetic variation unavailable).
| Runway | Length | Your margin |
|---|---|---|
| 1/19 | 1,973 ft |
Prefer one flat page? Full runway details for ID89 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the ID89 kneeboard →
Comms & NavAids
Nearby navigation aids
LKT 113.50
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| LKT · Salmon | VOR/DME | 113.50 · 82X | High | r014° / 17.3 NM |
Charts & procedures
No published instrument procedures or Chart Supplement for ID89 — open it on the VFR sectional →
Airport info
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 · 122.6 · 1-800-WX-BRIEF
- Segmented circle
- No
- Activated
- 2025/05
- Distance from city
- 3 N
Ownership & management 2 contacts
Nearby airports
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Also nearby: ID50 Flying Coyote Ranch Airport (private) (3 NM) · 8ID8 Lewis and Clark Airstrip (private) (5 NM) · 18MT Fish Ranch Airport (private) (17 NM) · 35ID Bluebird Airport (private) (21 NM) · 7S4 Wisdom Airport (26 NM)
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 in the Comms & NavAids section.
What is the longest runway at ID89?
Big Flat Airport has 1 runway; the longest is 1,973 ft. See the Runways section 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.
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.