Idaho City US Forest Service Airport
U98 · Idaho City, 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 09:36 PM
| Event | Local (MDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:03 AM | 12:03Z |
| Sunrise | 06:35 AM | 12:35Z |
| Sunset | 09:03 PM | 03:03Z |
| Evening civil twilight Loggable night begins | 09:36 PM | 03:36Z |
Plan a flight from U98
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 21LEFT traffic
- Heading
- 193° mag · 210° true
- Dimensions
- 3,400 × 50 ft
- TPA
- 4,900 ft MSL (≈1,000 AGL) · standard
- Surface
- GRVL-TURF-G
- CTAF
- 122.9
Enter the left downwind (heading 013°) on the 45° at 4,900 ft MSL (≈1,000 AGL).
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: schematic (headings + lengths)
| Runway | Length | Your margin |
|---|---|---|
| 03/21 | 3,400 ft |
Prefer one flat page? Full runway details for U98 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the U98 kneeboard →
Comms & NavAids
Communication frequencies
Taxi & takeoff
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
BOI 113.30
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| BOI · Boise | VORTAC | 113.30 · 80X | High | r026° / 22.2 NM |
Prefer one flat list? All U98 frequencies →
Charts & procedures
Airport info
Airport information
- FAA LID
- U98
- Coordinates
- 43.8237, -115.8446
- Elevation
- 3,920 ft MSL
- Magnetic variation
- 17E
- Sectional chart
- SALT LAKE CITY
- Airport use
- Public
- Control tower
- No
- ARTCC
- SALT LAKE CITY (ZLC)
- Flight service (FSS)
- BOISE · 122.6 · 1-800-WX-BRIEF
- NOTAM facility
- BOI
- Attendance
- UNATNDD
- Segmented circle
- Yes
- Wind indicator
- yes
- Activated
- 1948/11
- Distance from city
- 1 SW
Night operations
- Pilot-controlled lighting
- Usually keyed on CTAF 122.9 — confirm the click sequence in the Chart Supplement ↗
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.
Services fuel · repairs · oxygen · attendance
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- NONE
- Powerplant service
- NONE
Ownership & management 2 contacts
Remarks FAA · 11 notes
General
- NO WINTER MAINTENANCE.
- USFS HELICOPTER OPNS DURING FIRE SEASON.
- NO TELEPHONE AVBL AT ARPT.
- WEST 700 FT OF RY IS TURF; REMAINDER IS GRVL.
- (A52) NMRS ADDNL TREES/OBSTNS ON APCHS TO RWY 04 & 22.
- FOR CD CTC BIG SKY APCH AT 208-364-5860/5861.
Runways
- RECOMMEND LAND RY 04; TKOFF RY 22; WHEN WIND CONDITIONS PERMIT.
- 04/22 EDGES & THRS MARKED WITH WHITE ROCK.
- FIRST 900 FT OF RWY END 4 IS TURF; RMNG IS DIRT/GRVL MIX.
Obstructions
- CTLG OBSTN EXCEEDS 45 DEG SLP.
- 70 FT TREES LCTD ON L SIDE OF RWY - ADJ TO RWY END BOUNDARY MKR.
Nearby airports
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Also nearby: 22ID Treasure Gulch Airport (private) (8 NM) · 20ID Harrington Airport (private) (9 NM) · 42ID Black Bear Ranch Airport (private) (15 NM) · U88 Garden Valley Airport (15 NM) · ID95 Summit Ridge Ranch Airstrip (private) (17 NM) · 14ID Peaceful Cove Airport (private) (18 NM)
About U98
Idaho City US Forest Service Airport (U98) is an airport in Idaho City, ID, at 3,920 ft MSL. It has 1 runway, the longest 3,400 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for U98, refreshed from the Aviation Weather Center and FAA NASR.
Does U98 have a control tower?
No. Idaho City US Forest Service Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at U98?
Idaho City US Forest Service Airport has 1 runway; the longest is 3,400 ft. See the Runways section for headings, surface, and lighting.
Where is U98?
Idaho City US Forest Service Airport is in Idaho City, ID, at an elevation of 3,920 ft MSL. Coordinates: 43.8237, -115.8446.
Fly out of U98 often?
Save U98 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 U98 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.