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Owner self-reported — never independently field-inspected
Location confidence
No coordinate anomaly detected
Terrain cross-check (USGS 3DEP)
FAA 18 ft MSL · USGS ground 18 ft · Δ 0 ft
Structure cross-check (Overture / OSM)
On a building footprint — height not tagged in the source
Building height ≈ 12 ft — measured independently of the FAA record
Cross-source consensus
⚠ Sources conflict — pad is on a building, but FAA elevation reads ground level
Stale-low FAA elevation (the 6FD8 class) — never updated for the rooftop pad. Treat the recorded elevation as unreliable.
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
INFEASIBLE WITHOUT REMEDIATIONConversion feasibility · four readings, one line each
Obstruction screen
Severe
High obstacle within 0.5 nm conflicts with the expanded footprint and the 8:1 approach surface.
Geometry
Meets the FATO footprint
Recorded pad side 100 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
Infeasible without remediation
A high obstacle conflicts with the expanded footprint. Remediation or a different site.
This pad already covers the eVTOL landing footprint as it stands.
recorded pad eVTOL FATO
Recorded pad (limiting side)
100 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.
FAA compliance
Q1 · FAA registrationPASS
Active FAA NASR 5010 record.
Q2 · Airspace determinationON_FILE
OE/AAA ASN 2024-ASO-5877-NRA: DET-to-Prop
Q3 · State enforcementSTRONG
State has adopted FAA AC as enforceable.
Q4 · NFPA 418ADOPTED
Jurisdiction has adopted NFPA 418 in fire/building code.
FAA facility data
FAA LID
1FL9
AIX ID
aix:hp:0VA7B1M8
Lat / Lng
26.74639, -81.42861
Elevation
18 ft MSL
Pad dimensions
100 × 100 ft
Surface type
CONC
Activation date
2000/04
Last owner update
2020/05/05
FAA OEAAA airspace determinations3
Airspace clearance
On file as archived / procedural records — no standing clearance to track.
Filing activity
Most recent determination 2025-03-19 · 1 in the last 24 months
NRADET-to-PropASN 2025-ASO-4102-NRA2025-04-09
CONSTR. SAFETY PLAN - Miscellaneous · 15 ft AGL — CONSTR. SAFETY PLAN Miscellaneous
NRADET-to-PropASN 2024-ASO-5877-NRA2024-05-29
CONSTR. SAFETY PLAN - Miscellaneous · 1 ft AGL — CONSTR. SAFETY PLAN Miscellaneous
NRADET-to-PropASN 2024-ASO-5835-NRA2024-04-18
CONSTR. SAFETY PLAN - Miscellaneous · 67 ft AGL — CONSTR. SAFETY PLAN Miscellaneous
Blueprint
The record vs. what we measured
53/100
DATA INTEGRITY
Surface elevation
The FAA record places this pad at 18 ft. USGS terrain plus the building put the actual rooftop at 30 ft — a +12 ft difference the federal record doesn’t carry.
eVTOL footprint
Footprint assessment available.
SIGNALFEDERAL RECORDMEASURED
Surface elevation18 ft30 ft · USGS+structure
Structurenot on recordOn a building
Pad dimensions100 ft side (filed)100 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.
HENDRY COUNTY FIRE-EMS, LA BELLE, FL (FAA 1FL9). AirIndex facility record aix:hp:0VA7B1M8. Verifiable at https://www.airindex.io/verify/aix:hp:0VA7B1M8.