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Owner self-reported — never independently field-inspected
Location confidence
No coordinate anomaly detected
Terrain cross-check (USGS 3DEP)
FAA 3564 ft MSL · USGS ground 3560 ft · Δ 4 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
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
Requires 24 feet of expansion
Recorded pad side 76 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.
The recorded pad is 24 ft short of the 100 ft footprint an eVTOL would need — shown to scale.
recorded pad eVTOL FATO
Recorded pad (limiting side)
76 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-AWP-5527-NRA: DET-to-Prop
Q3 · State enforcementSTRONG
State has adopted FAA AC as enforceable.
Q4 · NFPA 418UNKNOWN
NFPA 418 adoption status not yet assessed for this jurisdiction.
FAA facility data
FAA LID
CN96
AIX ID
aix:hp:342C3WDG
Lat / Lng
41.31861, -122.32006
Elevation
3564 ft MSL
Pad dimensions
76 × 76 ft
Surface type
CONC
Surface condition
GOOD
Activation date
2024/06
Last owner update
2025/08/13
FAA OEAAA airspace determinations3
Airspace clearance
On file as archived / procedural records — no standing clearance to track.
Filing activity
Most recent determination 2024-06-07
NRAARCH-DeterminedASN 2024-AWP-5527-NRA2025-05-08
Form 7480 · 0 ft AGL — LAP ASN # 2024-WSA-66-LAP- The heliport received a review in 2018-AWP-4209-NRA and received a DET-to-PROP on May 25 2019. The proponent is wanting to get a LOC ID since the previous NRA did not give the proponent a LOC ID - the proponent does not want an IFR approach and no changes to the existing site are anticipated
NRAARCH-DeterminedASN 2018-AWP-4209-NRA2019-05-24
Form 7480 · 1 ft AGL — LAP ASN # 2018-WSA-57-LAP
NRAARCH-DeterminedASN 2016-AWP-2842-NRA2017-03-31
Form 7480 · 0 ft AGL — Activate existing hospital heliport. Heliport in operation since 1981. FATO is 80 feet TLOF is 50 feet direction of ingress/egress is 125/350 and 305/170. Surface type concrete.
Blueprint
The record vs. what we measured
79/100
DATA INTEGRITY
eVTOL footprint
The 76 ft pad is 24 ft short of the 100 ft an eVTOL FATO requires (measured).
SIGNALFEDERAL RECORDMEASURED
Surface elevation3564 ftnot cross-checked
Structurenot on recordGround-level
Pad dimensions76 ft side (filed)76 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.
MERCY MEDICAL CENTER MT SHASTA, MOUNT SHASTA, CA (FAA CN96). AirIndex facility record aix:hp:342C3WDG. Verifiable at https://www.airindex.io/verify/aix:hp:342C3WDG.