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Owner self-reported — never independently field-inspected
Location confidence
No coordinate anomaly detected
Terrain cross-check (USGS 3DEP)
FAA 45 ft MSL · USGS ground 51 ft · Δ -6 ft
Structure cross-check (Overture / OSM)
Ground-level — no building footprint at the coordinate
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
CONDITIONALConversion feasibility · four readings, one line each
Obstruction screen
Clear
No obstructions within 0.5 nm on the FAA obstacle file.
Geometry
Meets the FATO footprint
Recorded pad side 1000 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
Conditional
Obstruction screen passed. Geometry and structural capacity remain open. Site validation required.
This pad already covers the eVTOL landing footprint as it stands.
recorded pad eVTOL FATO
Recorded pad (limiting side)
1000 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.
IBC references NFPA 418 for rooftop facilities. Standalone fire code reference not confirmed.
FAA facility data
FAA LID
90NR
AIX ID
aix:hp:9Q4HCBA1
Lat / Lng
36.31131, -77.48303
Elevation
45 ft MSL
Pad dimensions
1000 × 1000 ft
Surface type
TURF-DIRT
Activation date
2017/01
FAA OEAAA airspace determinations1
Airspace clearance
On file as archived / procedural records — no standing clearance to track.
Filing activity
Most recent determination 2015-06-15
NRAARCH-DeterminedASN 2015-ASO-2237-NRA2016-01-29
Heliport · 0 ft AGL — The USMC (Camp Lejeune Range and Training Management Division) intends to establish tactical landing zones (heliport) in the vicinity of the Caledonia Correctional Institution (Halifax NC) to support rotary wing operations. The aircraft will conduct landing operations in the grass fields. 7480 and associated documentation is attached.
Blueprint
The record vs. what we measured
67/100
DATA INTEGRITY
eVTOL footprint
Footprint assessment available.
SIGNALFEDERAL RECORDMEASURED
Surface elevation45 ftnot cross-checked
Structurenot on recordGround-level
Pad dimensions1000 ft side (filed)1000 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.