FAA 7460-1 › Arkansas ›
Building or using a crane near Marked Tree Muni (6M8)?
Marked Tree Muni in Marked Tree, Arkansas 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.
No address handy? Try 16700 Saticoy St, Van Nuys, CA 91406
How tall can you build near 6M8 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, 219 ft above sea level:
| Distance from nearest runway | Notice required above (height over 219 ft) | …which is this elevation (AMSL) |
|---|---|---|
| 250 ft | 5 ft | 224 ft |
| 500 ft | 10 ft | 229 ft |
| 1,000 ft | 20 ft | 239 ft |
| 2,000 ft | 40 ft | 259 ft |
| 3,000 ft | 60 ft | 279 ft |
| 5,000 ft | 100 ft | 319 ft |
| 7,500 ft | 150 ft | 369 ft |
| 10,000 ft | 200 ft | 419 ft |
| Beyond 10,000 ft | Only the 200-ft-above-ground rule applies (77.9(a)) | |
If your ground is lower than 219 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
Dashed line: the 10,000-ft area where the 50:1 notice slope applies; inner line: 5,000 ft.
| Runway | Length | End elevations (ft AMSL) |
|---|---|---|
| 18/36 | 3,200 ft | 219 / 219 |
Filing Form 7460-1 near 6M8
- File online through the FAA's OE/AAA system at least 45 days before construction or before applying for a building permit, whichever is first. Filing is free.
- You need NAD 83 coordinates, site ground elevation, structure height above ground and above sea level.
- Construction on airport property always needs notice, whatever the height.
More: Do I need to file Form 7460-1? · Cranes and Form 7460-1
Other public-use airports nearby
- 7M4 — Osceola Muni (21 nm)
- JBR — Jonesboro Muni (22 nm)
- MXA — Manila Muni (25 nm)
- AWM — West Memphis Muni (25 nm)
- 8M2 — Sally Wofford (25 nm)
- PGR — Kirk Fld (32 nm)
Source: FAA airport, runway and runway-end data (NASR cycle effective 2026/10/01). Screening only — the FAA issues determinations.