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LOS Analyzer

Construction equipment · 2026

John Deer 250GLC

San Francisco, CA · near San Francisco Intl (1.1 mi)

Returned to proponentDetermined - No Hazard34 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

"SFO maintains an existing shoreline protection system consisting of dikes sheet pile walls and concrete walls. This notice covers the proposed riprap repair work within Reach 11 of the shoreline near Taxiway C specifically for Corner #9 as identified in the project sketch.\nThe work involves placement of riprap using standard construction equipment including an excavator dump trucks and a backhoe. The tallest equipment anticipated on site is a John Deere excavator with a maximum operating height of 34.33 feet.\nCoordinates for the work area boundary are provided in the Form 1A certification for Corners 9 10 11 and 12. Reach 11 requires four individual 7460 filings corresponding to each corner of the staging area; this submission represents the filing for Corner #9.\nThe proposed work zone is located outside all approach and departure surfaces. If required by the FAA all construction equipment will be marked with appropriate checkered flags and/or beacons to ensure compliance with safety requirements."

Filing details

Case number (ASN)
2026-AWP-1951-NRA
Structure
John Deer 250GLC
Type
Construction / vehicle
Category
Construction equipment
Height above ground
34 ft
Height above sea level
44 ft
Site elevation
10 ft
Notice of
Existing
Duration
Temporary
Marking & lighting
—

Timeline

Filed
July 23, 2026
Determined
August 31, 2026
Determination expires
February 29, 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
Yunjie Su
Representative
Yunjie Su

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

Location

Coordinates
37.615531, -122.356558
Degrees / minutes / seconds
37°36'55.9"N 122°21'23.6"W
County
San Mateo

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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.