AirIndex Research · FAA LID AZ99

PHOENIX CHILDREN'S HOSPITAL

PHOENIX, AZ — Phoenix metro. Operational · Private use.

OperationalPrivate usePrivate
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Data integrity

70/100
CorroboratedData Integrity Index
Independent inspection
Owner self-reported — never independently field-inspected
Location confidence
No coordinate anomaly detected
Terrain cross-check (USGS 3DEP)
FAA 1312.5 ft MSL · USGS ground 1123 ft · Δ 190 ft
Differential consistent with an elevated / rooftop pad
Structure cross-check (Overture / OSM)
Rooftop pad — the coordinate falls on a building footprint
Building height ≈ 204 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

InfeasibleConversion feasibility · obstruction screen
100 ft · eVTOL FATO46 ft
The recorded pad is 54 ft short of the 100 ft footprint an eVTOL would need — shown to scale.
recorded pad eVTOL FATO
Recorded pad (limiting side)
46 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
High obstacle within 0.5 nm — conflicts with the expanded footprint and 8:1 approach

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.

FAA compliance

Q1 · FAA registrationPASS
Active FAA NASR 5010 record.
Q2 · Airspace determinationON_FILE
OE3A archive: ASN 2007-AWP-856-NRA determined 2009-02-18
Q3 · State enforcementMODERATE
State has partial enforcement framework.
Q4 · NFPA 418PARTIAL
IBC references NFPA 418 for rooftop facilities. Standalone fire code reference not confirmed.

FAA facility data

FAA LID
AZ99
AIX ID
aix:hp:4QKZWCG8
Lat / Lng
33.47856, -112.04150
Elevation
1312.5 ft MSL
Pad dimensions
46 × 46 ft
Surface type
ROOF-TOP
Activation date
2003/08
Last owner update
2024/01/17

FAA OEAAA airspace determinations2

Airspace clearance
On file as archived / procedural records — no standing clearance to track.
Filing activity
Most recent determination 2007-11-06
  • NRAARCH-DeterminedASN 2007-AWP-856-NRA
    2009-02-18
    Heliport · 0 ft AGL — ESTABLISH A PRIVATE USE HELIPORT. THIS AIRSPACE STUDY FOR PHOENIX CHILDREN'S HOSPITAL WAS CLOSED BACK IN JULY 2001 WITHOUT AN FAA DETERMINATION (SEE PRIOR AIRSPACE STUDY 2001-AWP-93-NRA). ANY QUESTIONS ON THIS NEW STUDY SHOULD BE REFERRED TO JASON HALE HKS/PROJECT COORDINATOR AT 214-969-3218.
  • NRAARCH-DeterminedASN 2001-AWP-93-NRA
    2001-07-13
    Other · 54 ft AGL — Proposed Heliport for Phoenix Childrens Hospital
Blueprint
The record vs. what we measured
70/100
DATA INTEGRITY
Surface elevation
GROUND 1123ftROOFTOP 1326ftbldg ~204ftFAA FILED 1312.5ft

The FAA record places this pad at 1312.5 ft. USGS terrain plus the building put the actual rooftop at 1326 ft — a +13.5 ft difference the federal record doesn’t carry.

eVTOL footprint
FATO 100 ft reqHTLOF 46 ft

The 46 ft pad is 54 ft short of the 100 ft an eVTOL FATO requires (measured).

SIGNALFEDERAL RECORDMEASURED
Surface elevation1312.5 ft1326 ft · USGS+structure
Structurenot on recordRooftop pad
Pad dimensions46 ft side (filed)46 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.
Request Ground Truth verification

Full risk assessment

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.

Request the full assessment

Building autonomous systems? See the machine-verified feed

Provenance FAA NASR 5010 · pad dims APT cycle 2026/03/19 · USGS 3DEP terrain · Overture structure · eVTOL screen conversion-feasibility-1.1 · AIX-ID aix:hp:4QKZWCG8 · Methodology →
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