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Airports · Idaho · airport · FAA file effective October 1, 2026

Eckhart International

1S1 · Porthill, Idaho · Boundary County · map

Eckhart International is a public-use airport owned by the State of Id, Itd Div Aero in Porthill, Idaho, 1,758 feet above sea level. Its one runway, 15/33, is 3,650 feet of grass.

The airport

Codes
FAA 1S1
Kind
Airport · open to the public · publicly owned
Owner
State of Id, Itd Div Aero
Elevation
1,758 feet above sea level
Control tower
No control tower
Attended
unattended
Repairs
airframe: none; engine: none
Parking
tiedown
On the chart
Great Falls sectional
Magnetic variation
20E
In the FAA's files since
September 1968

This airport's record at the FAA

Runway

1533N1,000 ft
Runways drawn to scale from the FAA's positions, north up.

For understanding the field, not for navigation.

RunwayLength × widthSurfaceLights
15/333,650 × 175 ftGrass, good
  • Runway 15: trees 75 ft high 675 ft from the end
  • Runway 33: road 16 ft high 300 ft from the end

Radio frequencies

Common traffic advisory (CTAF) · UNICOM122.8

Wind map live wind over the area, from Windy.com

Colours show wind speed, the moving lines its direction; drag the time bar for the coming days. Map and forecast by Windy.com.

Aircraft registered in Porthill from the FAA register

2 aircraft are registered to owners in Porthill, Idaho: 2 piston singles. Not every one of them is based at this airport; the based-aircraft count above is the FAA's figure for this airport alone.

Individuals are counted, never named. All aircraft registered in Idaho.

Accidents and incidents at or near this airport NTSB records · 1 since 1982, 0 fatal

2011-07-17WPR11CA337 · Cessna 172N N733BT · accident · no injuries

Cases the NTSB recorded with this as the nearest airport, newest first. Each opens the full report in plain English.

Nearby within 30 nautical miles

The FAA's remarks as written in the airport file

  • No winter maintenance.
  • 1/2 segmented circle.
  • Recommended land runway 33; takeoff runway 15 when wind condition permits.
  • 15/33 edges and thresholds marked with white rocks.
  • Nmrs obstructions in approach to runway 15: 50 feet - 75 feet + trees at 675 feet on centerline; 40 feet pwr line at 1200 feet on centerline.
  • Aircraft parking ltd to two hours in customs terminal area; longer term parking available to the west of runway end 15 - between asphalt taxiway and ANHEUSER-BUSCH plant.
  • Runway 15 do not use asphalt taxiway ptn for takeoff.
  • +25' hop poles located adjacent to both sides of runway.
  • (E84) non standard - semi circle.

Facts from the FAA's airport file effective October 1, 2026, written out in plain English; weather from the National Weather Service's aviation weather service; registered aircraft from the FAA register as of October 5, 2026; accidents from the NTSB's public database. Owners are shown only when they are an organisation; no person is named. Check the official sources before a flight: this page is for understanding an airport, not for planning one.