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Owner self-reported — never independently field-inspected
Location confidence
No coordinate anomaly detected
Terrain cross-check (USGS 3DEP)
FAA 538 ft MSL · USGS ground 341 ft · Δ 197 ft
Differential consistent with an elevated / rooftop pad
Structure cross-check (Overture / OSM)
On a building footprint — height not tagged in the source
Building height ≈ 197 ft — measured independently of the FAA record
Cross-source consensus
Corroborated — terrain and structure agree (2/2 sources)
Cross-checked against independent public data — USGS 3DEP terrain, Overture/OSM building footprints, the federal hospital registry, and measured dimensions. The State of the U.S. Heliport Record →
eVTOL readiness
INFEASIBLE WITHOUT REMEDIATIONConversion feasibility · four readings, one line each
Obstruction screen
Severe
High obstacle within 0.5 nm conflicts with the expanded footprint and the 8:1 approach surface.
Geometry
Requires 52 feet of expansion
Recorded pad side 48 ft against a 100 ft eVTOL FATO.
Structural FATO
Unverified
The full 100 × 100 ft FATO must be load-bearing. The FAA does not record structural capacity, so no record can confirm it.
Overall
Infeasible without remediation
A high obstacle conflicts with the expanded footprint. Remediation or a different site.
The recorded pad is 52 ft short of the 100 ft footprint an eVTOL would need — shown to scale.
recorded pad eVTOL FATO
Recorded pad (limiting side)
48 ft
eVTOL FATO required
100 ft
FAA EB-105 vertiport pattern — 2× a ~50 ft eVTOL controlling dimension, plus a 125 ft safety-area side.
Load-bearing FATO
100 × 100 ft must be structural
No heliport precedent — typically the binding gate for rooftop and hospital pads.
Measured against FAA pad geometry and federal FATO sizing (EB-105). The obstruction screen is the only reading the engine verdict rests on; geometry and structural capacity are stated separately and never folded into it. A dimensional pre-screen — site-level validation required, and independent of the underwriting risk score.
Observed eVTOL activity is arriving around a pad that cannot take it: 9 observed flights in the last 30 days at 1 endpoint within 15 nm (nearest KNKX, 4 nm), while this hospital pad holds an airspace determination and records a 48 ft pad, under the 50 ft eVTOL FATO floor.
Situations are rules-based inferences across the obstruction, observed-operations and record layers, re-evaluated nightly; each carries its evidence and closes when the condition no longer holds.
CRANE · 371 ft AGL — Chula Vista Electric - VA La Jolla
NRAARCH-DeterminedASN 2012-AWP-2275-NRA2013-02-21
Heliport · 194 ft AGL — CONSTRUCTION OF PERMANENT HELIPORT ON TOP OF MEDICAL CENTER. TEMPORARY SITE WAS APPROVED UNDER CASE 2011-AWP-1208-NRA. THIS LOCATION WILL BE DEACTIVATED UPON COMPLETION OF THIS PERMANENT FACILITY. SEE UPLOADED DOCUMENTS.
NRAARCH-DeterminedASN 2011-AWP-1208-NRA2011-10-27
Heliport · 0 ft AGL — CONSTRUCTION OF NEW INTERIM CONCRETE HELIPORT FOR UCSD MEDICAL CENTER EAST CAMPUS. PERMANENT HELISTOP TO BE COMPLETED ON TOP OF NEW MEDICAL TOWER. SEE UPLOADED DOCUMENTS. CONSULTANT SUBMITTED LAYOUT PLAN (24X36) DRAWING SHOULD YOU LIKE A COPY PLEASE LET ME KNOW.
Blueprint
The record vs. what we measured
64/100
DATA INTEGRITY
eVTOL footprint
The 48 ft pad is 52 ft short of the 100 ft an eVTOL FATO requires (measured).
SIGNALFEDERAL RECORDMEASURED
Surface elevation538 ft538 ft · USGS+structure
Structurenot on recordOn a building
Pad dimensions48 ft side (filed)48 ft side · measured
Coordinate integrityas filedterrain cross-checked
Independent inspectionowner self-reportednone on record
✓Federal record
→
✓Cross-checkedUSGS · Overture · dimensions
→
3Physically verifiedGround Truth capture
Obstructions, exact FATO geometry, surface condition, and downwash exposure require a physical Ground Truth capture — not shown above as measured. A field verification completes the record and writes the measured truth to this facility’s authority.
This page is the public data-integrity record. The full RiskIndex assessment — Q1–Q5 compliance, dimensional / FATO analysis, an underwriting-grade risk score, peer benchmark, and a sealed Site Intelligence Report — is available on request.
UCSD JACOBS MEDICAL CENTER ROOFTOP, LA JOLLA, CA (FAA 93CN). AirIndex facility record aix:hp:EC6N4ARJ. Verifiable at https://www.airindex.io/verify/aix:hp:EC6N4ARJ.