Eckhart International Airport
1S1 · Bonners Ferry, 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 08:57 PM
| Event | Local (MST) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 04:46 AM | 11:46Z |
| Sunrise | 05:23 AM | 12:23Z |
| Sunset | 08:21 PM | 03:21Z |
| Evening civil twilight Loggable night begins | 08:57 PM | 03:57Z |
Plan a flight from 1S1
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 15LEFT traffic
- Heading
- 151° mag · 171° true
- Dimensions
- 3,650 × 175 ft
- TPA
- 2,800 ft MSL (≈1,000 AGL) · standard
- Surface
- Turf
- CTAF
- 122.8
Enter the left downwind (heading 331°) on the 45° at 2,800 ft MSL (≈1,000 AGL).
More details — RWY 15
- Threshold elev
- 1,758 ft
- Approach obstacle
- Trees, 75 ft, 675 ft from threshold, 0 ft B of centerline — 9:1 slope to clear · penetrates the 20:1 visual approach surface
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: FAA runway-end coordinates
| Runway | Length | Your margin |
|---|---|---|
| 15/33 | 3,650 ft |
Prefer one flat page? Full runway details for 1S1 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the 1S1 kneeboard →
Comms & NavAids
Communication frequencies
Taxi & takeoff
Source: FAA NASR (current 28-day cycle).
Prefer one flat list? All 1S1 frequencies →
Charts & procedures
Airport info
Airport information
- FAA LID
- 1S1
- Coordinates
- 48.9902, -116.5021
- Elevation
- 1,758 ft MSL
- Magnetic variation
- 20E
- Sectional chart
- GREAT FALLS
- Airport use
- Public
- Control tower
- No
- ARTCC
- SEATTLE (ZSE)
- Flight service (FSS)
- BOISE · 122.6 · 1-800-WX-BRIEF
- NOTAM facility
- BOI
- Attendance
- UNATNDD
- Segmented circle
- Yes
- Wind indicator
- yes
- Activated
- 1968/09
- Distance from city
- 0 W
Night operations
- Pilot-controlled lighting
- Usually keyed on CTAF 122.8 — 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
- Parking
- tiedowns
Ownership & management 2 contacts
Remarks FAA · 9 notes
General
- NO WINTER MAINTENANCE.
- ACFT PRKG LTD TO TWO HRS IN CUST TRML AREA; LONGER TERM PRKG AVBL TO THE WEST OF RWY END 15 - BTN ASPH TWY & ANHEUSER-BUSCH PLANT.
- RWY 15 DO NOT USE ASPH TWY PTN FOR TKOF.
- +25' HOP POLES LOCATED ADJACENT TO BOTH SIDES OF RWY.
- (E84) NON STD - SEMI CIRCLE.
- FOR CD CTC SEATTLE ARTCC AT 253-351-3694.
Runways
- RCMD LAND RWY 33; TKOF RWY 15 WHEN WIND COND PERMITS.
- 15/33 EDGES AND THRS MARKED WITH WHITE ROCKS.
Obstructions
- NMRS OBSTNS IN APCH TO RWY 15: 50 FT - 75 FT + TREES AT 675 FT ON CNTRLN; 40 FT PWR LINE AT 1200 FT ON CNTRLN.
Nearby airports
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Also nearby: 65S Boundary County Airport (18 NM) · 67S Priest Lake Usfs Airport (31 NM) · 66S Cavanaugh Bay Airport (31 NM) · 09S Sullivan Lake State Airport (32 NM) · 31ID Thunder Ridge Airport (private) (36 NM) · 55ID Spear Valley Airport (private) (37 NM)
About 1S1
Eckhart International Airport (1S1) is an airport in Bonners Ferry, ID, at 1,758 ft MSL. It has 1 runway, the longest 3,650 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 1S1, refreshed from the Aviation Weather Center and FAA NASR.
Does 1S1 have a control tower?
No. Eckhart International Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at 1S1?
Eckhart International Airport has 1 runway; the longest is 3,650 ft. See the Runways section for headings, surface, and lighting.
Where is 1S1?
Eckhart International Airport is in Bonners Ferry, ID, at an elevation of 1,758 ft MSL. Coordinates: 48.9902, -116.5021.
Fly out of 1S1 often?
Save 1S1 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 1S1 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.