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LOS Analyzer

Wind turbine · 2026

T043

Revillo, SD · near Milbank Muni (16.9 mi)

Determination of no hazardDetermined - No Hazard650 ft AGL

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

"Filing for proposed wind project array located near Revillo South Dakota."

Filing details

Case number (ASN)
2026-WTE-642-OE
Structure
T043
Type
Windmill
Category
Wind turbine
Height above ground
650 ft
Height above sea level
2,207 ft
Site elevation
1,557 ft
Notice of
New Construction
Duration
Permanent
Marking & lighting
White Paint/Synchronized Red Lights

Timeline

Filed
February 6, 2026
Determined
July 1, 2026
Determination expires
January 1, 2028

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
Flowing Well Wind, LLC
Representative
Capitol Airspace Group

Names are shown as they appear in the FAA's public record. How we handle names

See every 2026 filing by Flowing Well Wind, LLC →

Location

Coordinates
45.000525, -96.682931
Degrees / minutes / seconds
45°00'01.9"N 96°40'58.6"W
County
Grant

Other filings within 5 miles

Organisation-sponsored 2026 filings whose coordinates sit near this one.

See every 2026 filing near Milbank Muni →

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.