Y87

William B Bolton Airport

William B Bolton Airport (Y87) is a general-aviation airfield serving Empire, Michigan. The field lies at 944 ft (288 m) above sea level and has two crossing runways, the longest 2,600 ft (792 m), asphalt and lit. Its nearest neighbour is Lake Ann Airway Estates Airport (4M0), 7 nm SSE.

William B Bolton 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 Y87 on the live map →

Location

Elevation
944 ft (288 m)
Coordinates
44.7914, -86.0032
Serving
Empire
Region
Michigan
Time zone
America/Detroit

Runways2 · longest 2,600 ft

Surveyed positions · north up

The diagram is drawn from published threshold coordinates, so each runway sits where it actually sits — true bearings, true separations, true lengths. Runway widths are exaggerated against length, which at true proportion would draw a hairline. It is a diagram, not a chart to navigate by.

RunwayLengthWidthSurfaceLighting
17/352,600 ft792 m50 ftAsphaltLit
09/272,235 ft681 m150 ftGrass

Nearby airfields

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