Big Flat Private
ID89 · Carmen, ID · Non-towered · Print kneeboard · Open on the map
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Weather
METAR observed
TAF forecast
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Sun & FAA night2026-11-06 · night begins 05:48 PM
| Event | Local (MST) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:50 AM | 13:50Z |
| Sunrise | 07:21 AM | 14:21Z |
| Sunset | 05:16 PM | 00:16Z |
| Evening civil twilight Loggable night begins | 05:48 PM | 00:48Z |
Plan a flight from ID89
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Full reports: nearest reporting station
Advisories
NOTAMs · Loading NOTAMs…
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Airspace hazards · Checking SIGMETs and G-AIRMETs…
Temporary flight restrictions · Checking for TFRs…
Runways
RWY 19LEFT traffic
- Heading
- 184° true
- Dimensions
- 1,973 × 40 ft
- TPA
- 4,800 ft MSL (≈1,000 AGL) · standard
- Surface
- Turf
Enter the left downwind (heading 004°) on the 45° at 4,800 ft MSL (≈1,000 AGL).
More details — RWY 19
- Threshold elev
- 3,804 ft
- Markings
- none
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: FAA runway-end coordinates
Headings shown are true (magnetic variation unavailable).
| Runway | Length | Your margin |
|---|---|---|
| 01/19 | 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 (private) (3 NM) · 8ID8 Lewis And Clark Airstrip (private) (5 NM) · ID52 40 Acre Airstrip (private) (8 NM) · 18MT Fish Ranch (private) (17 NM) · 35ID Bluebird (private) (21 NM)
About ID89
Big Flat (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 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 has 1 runway; the longest is 1,973 ft. See the Runways section for headings, surface, and lighting.
Where is ID89?
Big Flat is in Carmen, ID, at an elevation of 3,805 ft MSL. Coordinates: 45.2785, -113.9013.
More about ID89
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.
Something here wrong or out of date? Report a data problem.