Owner self-reported — never independently field-inspected
Location confidence
No coordinate anomaly detected
Terrain cross-check (USGS 3DEP)
FAA 667 ft MSL · USGS ground 538 ft · Δ 129 ft
Differential consistent with an elevated / rooftop pad
Structure cross-check (Overture / OSM)
Rooftop pad — the coordinate falls on a building footprint
Building height ≈ 44 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
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
OE/AAA ASN 2025-ASW-5993-NRA: DET-to-Prop
Q3 · State enforcementLIMITED
State has limited enforcement of FAA standards.
Q4 · NFPA 418PARTIAL
IBC references NFPA 418 for rooftop facilities. Standalone fire code reference not confirmed.
FAA facility data
FAA LID
37TA
AIX ID
aix:hp:GR0F3C9J
Lat / Lng
32.88039, -96.76286
Elevation
667 ft MSL
Pad dimensions
40 × 55 ft
Surface type
ROOF-TOP
Surface condition
EXCELLENT
Activation date
1990/11
Last owner update
2025/02/25
FAA OEAAA airspace determinations1
Airspace clearance
On file as archived / procedural records — no standing clearance to track.
Filing activity
Most recent determination 2025-07-01 · 1 in the last 24 months
NRAARCH-DeterminedASN 2025-ASW-5993-NRA2025-07-29
Form 7480 · 137 ft AGL — LAP ASN # 2025-CSA-316-LAP\r\nRelocation of existing private-owned/private use hospital helipad. H1 will be relocated from garage to rooftop. \r\n\r\nNo IFR procedures anticipated.
Blueprint
The record vs. what we measured
76/100
DATA INTEGRITY
Surface elevation
The FAA record places this pad at 667 ft. USGS terrain plus the building put the actual rooftop at 582 ft — a -85 ft difference the federal record doesn’t carry.
eVTOL footprint
The 40 ft pad is 60 ft short of the 100 ft an eVTOL FATO requires (measured).
SIGNALFEDERAL RECORDMEASURED
Surface elevation667 ft582 ft · USGS+structure
Structurenot on recordRooftop pad
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.