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LOS Analyzer

Antenna tower · 2026

Seabrook

Pacific Beach, WA · near Copalis State (3.7 mi)

Determination of no hazardDetermined - No Hazard120 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

"Communication TOWER ONLY (Treepole); no antennas. Actual pole reaches 155' with an additional 5' to accommodate for faux branches. From our findings we show the nearest airport (Copalis State Airport) is approx. 4 miles away."

Filing details

Case number (ASN)
2026-ANM-1219-OE
Structure
Seabrook
Type
Pole / mono
Category
Antenna tower
Height above ground
120 ft
Height above sea level
214 ft
Site elevation
94 ft
Notice of
New Construction
Duration
Permanent
Marking & lighting
—

Timeline

Filed
February 26, 2026
Determined
August 4, 2026
Determination expires
February 4, 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
Horizon Tower Limiited Partnership-iii
Representative
Llc Horizon Tower-Iii

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

See every 2026 filing by Horizon Tower Limiited Partnership-iii →

Location

Coordinates
47.198397, -124.192911
Degrees / minutes / seconds
47°11'54.2"N 124°11'34.5"W
County
Grays Harbor

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.