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LOS Analyzer

Antenna tower · 2026

841128 | SETCHFIELD LAKE

Olympia, WA · near Providence St Peters Hospital (1.4 mi)

Determination of no hazardDetermined - No Hazard97 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

"Prior tower extension cancelled. Reducing height to current proposed height of 97' and filing to add frequencies and EIRPs."

Filing details

Case number (ASN)
2026-ANM-3221-OE
Structure
841128 | SETCHFIELD LAKE
Type
Tower / antenna
Category
Antenna tower
Height above ground
97 ft
Height above sea level
279 ft
Site elevation
182 ft
Notice of
Existing
Duration
Permanent
Marking & lighting
—

Timeline

Filed
April 30, 2026
Determined
July 29, 2026
Determination expires
—

Who filed it

Sponsor
Crown Castle USA (CB)
Representative
Crown Castle

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

See every 2026 filing by Crown Castle USA (CB) →

Location

Coordinates
47.065264, -122.870772
Degrees / minutes / seconds
47°03'55.0"N 122°52'14.8"W
County
Thurston

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.