MapClerk

FAA 7460-1 › Alabama ›

Building or using a crane near Lucas Ahp (25AL)?

Lucas Ahp in Fort Rucker (goodman), Alabama is a public-use heliport. Under 14 CFR 77.9, anything within 5,000 feet of it that rises above a 25:1 slope needs FAA Form 7460-1 at least 45 days before construction. Check your exact site free.

No address handy? Try 16700 Saticoy St, Van Nuys, CA 91406

How tall can you build near 25AL without filing?

The notice surface rises 1 foot for every 25 feet of horizontal distance from the nearest point of the heliport, starting at the heliport's elevation. Using the lowest facility elevation, 336 ft above sea level:

Distance from heliportNotice required above (height over 336 ft)…which is this elevation (AMSL)
250 ft10 ft346 ft
500 ft20 ft356 ft
1,000 ft40 ft376 ft
2,000 ft80 ft416 ft
3,000 ft120 ft456 ft
5,000 ft200 ft536 ft
Beyond 5,000 ftOnly the 200-ft-above-ground rule applies (77.9(a))

If your ground is lower than 336 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.

Heliport location and notice boundary

1,000 ftN

Dashed line: the 5,000-ft area where the 25:1 notice slope applies.

Filing Form 7460-1 near 25AL

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.