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LOS Analyzer

Crane · 2026

JBLM GAAF Microgrid Project

Joint Base Lewis-McChord, WA · near Gray Aaf (Joint Base Lewis-Mcchord) (0.2 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

"City Light and Power CLP will construct a microgrid to provide backup power to the Grey Army Airfield Operations to include Fire Rescue on Joint Base Lewis McChord The project consists of two 15MW LNG fueled generators 2 large Battery Energy Storage Systems BESS one Power Distribution Center PDC and some other minor controls CLP will use a 270T mobile crane to lift the major pieces of equipment off the flatbed delivery vehicles and set them on their respective pads on the project site The heaviest pieces of equipment will be the two BESS each weighing approximately 80000 lbs No piece of equipment is taller than 10 feet in height The mobile crane will operate in a 100 diameter of the lat long provided and its height and operating diameter are provided as worst case scenario for planning and permitting purposes"

Filing details

Case number (ASN)
2026-ANM-3495-OE
Structure
JBLM GAAF Microgrid Project
Type
Crane / mobile
Category
Crane
Height above ground
120 ft
Height above sea level
437 ft
Site elevation
317 ft
Notice of
New Construction
Duration
Temporary
Marking & lighting
Red lights and flags

Timeline

Filed
May 12, 2026
Determined
June 24, 2026
Determination expires
December 24, 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
City Light & Power
Representative
Joseph Schweitzer

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

Location

Coordinates
47.077731, -122.585522
Degrees / minutes / seconds
47°04'39.8"N 122°35'07.9"W
County
Pierce

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.