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Owner self-reported — never independently field-inspected
Location confidence
No coordinate anomaly detected
Terrain cross-check (USGS 3DEP)
FAA 1182 ft MSL · USGS ground 981 ft · Δ 201 ft
Differential consistent with an elevated / rooftop pad
Structure cross-check (Overture / OSM)
Rooftop pad — the coordinate falls on a building footprint
Building height ≈ 26 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
UNVERIFIEDConversion feasibility · four readings, one line each
Obstruction screen
No data
No FAA obstacle data on file for this state. Clearance unverified.
Geometry
Requires 60 feet of expansion
Recorded pad side 40 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
Unverified
No obstruction data on file. The dimensional gap applies; clearance is unverified.
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.
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.
NFPA 418 adoption status not yet assessed for this jurisdiction.
FAA facility data
FAA LID
1SC5
AIX ID
aix:hp:9SZ3A5RV
Lat / Lng
34.83987, -82.42251
Elevation
1182 ft MSL
Pad dimensions
40 × 40 ft
Surface type
MATS
Activation date
2022/03
FAA OEAAA airspace determinations3
Airspace clearance
On file as archived / procedural records — no standing clearance to track.
Filing activity
Most recent determination 2021-08-19
NRAARCH-DeterminedASN 2021-ASO-4566-NRA2022-03-29
Form 7480 · 23 ft AGL — LAP ASN # 2021-ESA-124-LAP
NRAARCH-DeterminedASN 2010-ASO-1479-NRA2011-03-15
Heliport · 0 ft AGL — This study is for a private use hospital heliport. This heliport was previously airspaced and approved as study number 2006-ASO-275-NRA however the landing area was never activated and the airspace determination has expired. No IFR procedures are anticipated. FAA Form 7480-1 map and diagram attached. Previous airspace determination letter also attached. Copies emailed to Columbia FSDO (Marlene Van-Beuren) on November 1 2010.
NRAARCH-DeterminedASN 2006-ASO-275-NRA2006-10-12
Heliport · 0 ft AGL — Proposed new private use concrete hospital helipad. FATO 100' x 100' TLOF 40' x 40'. Flush TLOF and FATO lights. IFR Procedures are not anticipated. cc: CAE-FSDO ESO-31 ASO-474
Blueprint
The record vs. what we measured
70/100
DATA INTEGRITY
Surface elevation
The FAA record places this pad at 1182 ft. USGS terrain plus the building put the actual rooftop at 1007 ft — a -175 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 elevation1182 ft1007 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.
BON SECOURS ST FRANCIS HOSPITAL, GREENVILLE, SC (FAA 1SC5). AirIndex facility record aix:hp:9SZ3A5RV. Verifiable at https://www.airindex.io/verify/aix:hp:9SZ3A5RV.