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FAA 7460-1 › Maine ›

Building or using a crane near Lubec Muni (65B)?

Lubec Muni in Lubec, Maine is a public-use airport. Under 14 CFR 77.9, anything within 10,000 feet of its runways that rises above a 50:1 slope needs FAA Form 7460-1 at least 45 days before construction. Check your exact site free.

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How tall can you build near 65B without filing?

The notice surface rises 1 foot for every 50 feet of horizontal distance from the nearest point of the nearest runway, starting at the runway's elevation. Using the lowest runway-end elevation, 81 ft above sea level:

Distance from nearest runwayNotice required above (height over 81 ft)…which is this elevation (AMSL)
250 ft5 ft86 ft
500 ft10 ft91 ft
1,000 ft20 ft101 ft
2,000 ft40 ft121 ft
3,000 ft60 ft141 ft
5,000 ft100 ft181 ft
7,500 ft150 ft231 ft
10,000 ft200 ft281 ft
Beyond 10,000 ftOnly the 200-ft-above-ground rule applies (77.9(a))

If your ground is lower than 81 ft you can build taller by the difference; if it's higher, less. Cranes count at their maximum height. The free check above uses USGS ground elevation for your exact spot.

Runways and notice boundary

5,000 ftN

Dashed line: the 10,000-ft area where the 50:1 notice slope applies; inner line: 5,000 ft.

RunwayLengthEnd elevations (ft AMSL)
08/262,024 ft81.8 / 80.8

Filing Form 7460-1 near 65B

More: Do I need to file Form 7460-1? · Cranes and Form 7460-1

Other public-use airports nearby

Source: FAA airport, runway and runway-end data (NASR cycle effective 2026/10/01). Screening only — the FAA issues determinations.