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LOS Analyzer

Antenna tower · 2026

Airport Hangar - E / 5000360879

Chicago, IL · near Chicago O'Hare Intl (1.3 mi)

Returned to proponentDetermined - No Hazard71 ft AGL

What this outcome means

The FAA sent the case back to the filer rather than issuing a determination. This is the most common non-clean outcome and usually means something has to change or be supplied before the study can finish — not that the project was refused.

The proposal, in the filer's words

"Filing with the FAA on an existing building located on-airport. The current marking/lighting that exists on this structure is a pair of red lights located at four (4) corners of the building on the parapet. The CDs scope of work is to include installation of antenna/equipment to be installed atop this existing 64 foot building. The proposed antennas will increase the structure height to 71 feet."

Filing details

Case number (ASN)
2026-AGL-1263-NRA
Structure
Airport Hangar - E / 5000360879
Type
Tower / antenna
Category
Antenna tower
Height above ground
71 ft
Height above sea level
739 ft
Site elevation
668 ft
Notice of
Existing
Duration
Permanent
Marking & lighting
—

Timeline

Filed
January 29, 2026
Determined
March 25, 2026
Determination expires
September 25, 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
Chicago Dept. of Aviation c/o Boingo
Representative
EAS

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

Location

Coordinates
41.976731, -87.932714
Degrees / minutes / seconds
41°58'36.2"N 87°55'57.8"W
County
DuPage

Other filings within 5 miles

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

See every 2026 filing near Chicago O'Hare Intl →

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.