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LOS Analyzer

Antenna tower · 2026

MT-06166 Custer

Miles City, MT · near Frank Wiley Fld (11.3 mi)

Determination of no hazardDetermined - No Hazard356 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

"Proposed 350' Guyed tower with a 6' rod for an overall height of 356'"

Filing details

Case number (ASN)
2026-ANM-483-OE
Structure
MT-06166 Custer
Type
Tower / antenna
Category
Antenna tower
Height above ground
356 ft
Height above sea level
3,511 ft
Site elevation
3,155 ft
Notice of
Alteration
Duration
Permanent
Marking & lighting
Dual-red and medium intensity

Timeline

Filed
January 28, 2026
Determined
February 9, 2026
Determination expires
—

Who filed it

Sponsor
Skyway Towers, LLC
Representative
Skyway Towers, LLC

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

See every 2026 filing by Skyway Towers, LLC →

Location

Coordinates
46.402703, -105.653328
Degrees / minutes / seconds
46°24'09.7"N 105°39'12.0"W
County
Custer

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.