MapClerk

FAA 7460-1 › Washington ›

Building or using a crane near Deer Park (DEW)?

Deer Park in Deer Park, Washington is a public-use airport. Under 14 CFR 77.9, anything within 20,000 feet of its runways that rises above a 100:1 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 DEW without filing?

The notice surface rises 1 foot for every 100 feet of horizontal distance from the nearest point of the nearest runway, starting at the runway's elevation. Using the lowest runway-end elevation, 2,183 ft above sea level:

Distance from nearest runwayNotice required above (height over 2,183 ft)…which is this elevation (AMSL)
250 ft2 ft2,186 ft
500 ft5 ft2,188 ft
1,000 ft10 ft2,193 ft
2,000 ft20 ft2,203 ft
3,000 ft30 ft2,213 ft
5,000 ft50 ft2,233 ft
7,500 ft75 ft2,258 ft
10,000 ft100 ft2,283 ft
15,000 ft150 ft2,333 ft
20,000 ft200 ft2,383 ft
Beyond 20,000 ftOnly the 200-ft-above-ground rule applies (77.9(a))

If your ground is lower than 2,183 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 20,000-ft area where the 100:1 notice slope applies; inner line: 5,000 ft.

RunwayLengthEnd elevations (ft AMSL)
05/233,200 ft2188.1 / 2183.1
16/346,101 ft2210.7 / 2185.6

Filing Form 7460-1 near DEW

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.