Construction equipment · 2026
Temporary mobile concrete batch plant
Box Elder, SD · near Ellsworth Afb (1.4 mi)
What this outcome means
The FAA studied the proposal and concluded it would not be a hazard to air navigation. A no-hazard determination is not permanent — it carries an expiration date, and if the structure is not built by then the case has to be re-filed.
The proposal, in the filer's words
"We are looking to bring in our portable concrete batch plant for a period of time to produce concrete for a runway paving project we were awarded at Ellsworth Airforce base. We will use a crane temporarily during assembly and disassembly of the plant only."
Filing details
- Case number (ASN)
- 2026-AGL-3299-OE
- Structure
- Temporary mobile concrete batch plant
- Type
- Construction / vehicle
- Category
- Construction equipment
- Height above ground
- 120 ft
- Height above sea level
- 3,393 ft
- Site elevation
- 3,273 ft
- Notice of
- New Construction
- Duration
- Temporary
- Marking & lighting
- —
Timeline
- Filed
- February 18, 2026
- Determined
- March 25, 2026
- Determination expires
- September 25, 2027
A determination that lapses before the structure is built has to be re-filed. The FAA does not send a reminder.
Who filed it
- Sponsor
- Millstone Weber, LLC
- Representative
- Millstone Weber, LLC
Names are shown as they appear in the FAA's public record. How we handle names
Location
- Coordinates
- 44.163036, -103.090358
- Degrees / minutes / seconds
- 44°09'46.9"N 103°05'25.3"W
- County
- Meade
- Open in a map
- Google MapsOpenStreetMap
Other filings within 5 miles
Organisation-sponsored 2026 filings whose coordinates sit near this one.
About this record
This page is a readable copy of a public record published by the FAA's Obstruction Evaluation / Airport Airspace Analysis system. It is not the official record and may lag it. For the authoritative case status, search this ASN at the FAA's OE/AAA portal. If something here is wrong, email support@idea-engine.studio and we will correct it.
Source: FAA Obstruction Evaluation / Airport Airspace Analysis (OE/AAA) public archive (oeaaa.faa.gov), data as of September 12, 2026. Compiled by LOS Analyzer (Idea Engine LLC). This is not an official FAA record or an FAA determination; the FAA's portal is authoritative. LOS Analyzer is not affiliated with or endorsed by the FAA.
Screening a structure of your own?
Check Part 77 and the tower's line of sight before you file
LOS Analyzer screens a proposed structure against FAA Part 77 surfaces and the control tower's sightline to the runway, terrain-aware, in minutes. It is a preliminary screening — not an FAA determination and not a substitute for a licensed engineering review.