Eckhart International Airport
1S1 · Bonners Ferry, ID · 1,756 ft elevation · var 20E · Non-towered
Airport information
- FAA LID
- 1S1
- Coordinates
- 48.9902, -116.5021
- Elevation
- 1,756 ft MSL
- Magnetic variation
- 20E
- Sectional chart
- GREAT FALLS
- Airport use
- Public
- Control tower
- No
- ARTCC
- SEATTLE (ZSE)
- Flight service (FSS)
- BOISE
- NOTAM facility
- BOI
- Attendance
- UNATNDD
- Segmented circle
- Yes
- Wind indicator
- yes
- Activated
- 1968/09
- Distance from city
- 0 W
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-21
| Event | Local (MST) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 03:59 AM | 10:59Z |
| Sunrise | 04:42 AM | 11:42Z |
| Sunset | 08:54 PM | 03:54Z |
| Evening civil twilight Loggable night begins | 09:37 PM | 04:37Z |
Plan a flight from 1S1
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 in the live weather panel above.
Traffic pattern
- Landing
- Rwy 15 · 151°
- Pattern
- left (turns left)
- TPA
- 2,800 ft MSL (≈1,000 AGL)
- CTAF
- 122.8
Enter the left downwind for Rwy 15 at 2,800 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 15/33
3,650 ft × 175 ft · Turf (Good)- Heading
- 151° mag · 171° true
- Traffic pattern
- Left
- 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
- Heading
- 331° mag · 351° true
- Traffic pattern
- Left
- Approach obstacle
- Road, 16 ft, 300 ft from threshold, 0 ft B of centerline — 18:1 slope to clear · penetrates the 20:1 visual approach surface
| Runway | Length | Your margin |
|---|---|---|
| 15/33 | 3,650 ft |
No published frequencies or nearby navaids for 1S1.
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- NONE
- Powerplant service
- NONE
- Parking
- tiedowns
Ownership & management
Remarks FAA
- 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.
- 1/2 SEGMENTED CIRCLE.
- RCMD LAND RWY 33; TKOF RWY 15 WHEN WIND COND PERMITS.
- 15/33 EDGES AND THRS MARKED WITH WHITE ROCKS.
- 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
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.
About 1S1
Eckhart International Airport (1S1) is an airport in Bonners Ferry, ID, at 1,756 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 on the Comms & NavAids tab.
What is the longest runway at 1S1?
Eckhart International Airport has 1 runway; the longest is 3,650 ft. See the Runways tab for headings, surface, and lighting.
Where is 1S1?
Eckhart International Airport is in Bonners Ferry, ID, at an elevation of 1,756 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.