7G4

Blue Knob Valley Airport

Blue Knob Valley Airport (7G4) is a general-aviation airfield serving Duncansville, Pennsylvania. The field lies at 1,270 ft (387 m) above sea level and has a single runway of 3,415 ft (1,041 m), gravel. Its nearest neighbour is Altoona Blair County Airport (AOO), 9 nm SE.

Blue Knob Valley Airport is a smaller field, so Alārium does not attribute movements to it directly — but aircraft flying near it appear on the live map like any other, at their real altitude and on their real track.

Open 7G4 on the live map →

Location

Elevation
1,270 ft (387 m)
Coordinates
40.3965, -78.4537
Serving
Duncansville
Region
Pennsylvania
Time zone
America/New_York

Runways1 · longest 3,415 ft

Length and width to scale · north up

The diagram shows each runway’s orientation and relative length, read from its designator — runway 11 points 110° magnetic. Threshold coordinates are not published for this field, so strips are drawn about its centre rather than where they sit on the ground. It is a diagram, not a chart to navigate by.

RunwayLengthWidthSurfaceLighting
11/293,415 ft1,041 m89 ftGravel

Nearby airfields

Runway and field data from the OurAirports public-domain dataset. Positions are ADS-B, which covers most but not all aircraft.