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LOS Analyzer

Power line · 2026

P44

Thompson Falls, MT · near Thompson Falls (1.2 mi)

Determination of no hazardDetermined - No Hazard39 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

"Replacing old and damaged poles with identical heights and locations"

Filing details

Case number (ASN)
2026-ANM-1317-OE
Structure
P44
Type
Pole / utility
Category
Power line
Height above ground
39 ft
Height above sea level
2,526 ft
Site elevation
2,487 ft
Notice of
Existing
Duration
Permanent
Marking & lighting
—

Timeline

Filed
March 6, 2026
Determined
March 17, 2026
Determination expires
September 17, 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
Northwestern Energy
Representative
Bennett Ryken

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

See every 2026 filing by Northwestern Energy →

Location

Coordinates
47.575839, -115.255681
Degrees / minutes / seconds
47°34'33.0"N 115°15'20.5"W
County
Sanders

Other filings within 5 miles

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

See every 2026 filing near Thompson Falls →

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.