Owner self-reported — never independently field-inspected
Location confidence
No coordinate anomaly detected
Terrain cross-check (USGS 3DEP)
FAA 275 ft MSL · USGS ground 164 ft · Δ 111 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 ≈ 111 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 →
The recorded pad is 60 ft short of the 100 ft footprint an eVTOL would need — shown to scale.
recorded pad eVTOL FATO
Recorded pad (limiting side)
40 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.
Obstruction clearance
Clear — no obstructions within 0.5 nm on the FAA obstacle file
Measured against FAA pad geometry and federal FATO sizing (EB-105). A dimensional pre-screen — site-level validation required, and independent of the underwriting risk score.
NFPA 418 adoption status not yet assessed for this jurisdiction.
FAA facility data
FAA LID
4CA5
AIX ID
aix:hp:2FZRZ2V7
Lat / Lng
33.78146, -117.86536
Elevation
275 ft MSL
Pad dimensions
40 × 40 ft
Surface type
CONC
Activation date
1991/09
Last owner update
2026/05/12
FAA OEAAA airspace determinations1
Airspace clearance
On file as archived / procedural records — no standing clearance to track.
Filing activity
Most recent determination 2010-08-04
NRAARCH-DeterminedASN 2010-AWP-1392-NRA2010-10-05
Heliport · 291 ft AGL — CONSTRUCTION OF NEW HELIPORT ON TOP OF NEW WING OF HOSPITAL EXPANSION. THE OLD HELIPAD IS TO BE DEACTIVATED (LOC ID 4CA5) FATO 90x90 TLOF 50X50. SEE UPLOADED DOCUMENTS. Site elevation (SE) is 136' AGL is 155' for AMSL of 291.
Blueprint
The record vs. what we measured
54/100
DATA INTEGRITY
eVTOL footprint
The 40 ft pad is 60 ft short of the 100 ft an eVTOL FATO requires (measured).
SIGNALFEDERAL RECORDMEASURED
Surface elevation275 ft275 ft · USGS+structure
Structurenot on recordOn a building
Pad dimensions40 ft side (filed)40 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.
CHILDRENS HOSPITAL OF ORANGE COUNTY, ORANGE, CA (FAA 4CA5). AirIndex facility record aix:hp:2FZRZ2V7. Verifiable at https://www.airindex.io/verify/aix:hp:2FZRZ2V7.