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Owner self-reported — never independently field-inspected
Location confidence
No coordinate anomaly detected
Terrain cross-check (USGS 3DEP)
FAA 10 ft MSL · USGS ground 5 ft · Δ 5 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
UNVERIFIEDConversion feasibility · four readings, one line each
Obstruction screen
No data
No FAA obstacle data on file for this state. Clearance unverified.
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
Unverified
No obstruction data on file. The dimensional gap applies; clearance is unverified.
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.
NFPA 418 adoption status not yet assessed for this jurisdiction.
FAA facility data
FAA LID
0NH7
AIX ID
aix:hp:QV9RNDF1
Lat / Lng
43.15183, -70.84690
Elevation
10 ft MSL
Pad dimensions
100 × 100 ft
Surface type
TURF
Activation date
2015/02
Last owner update
2025/10/14
FAA OEAAA airspace determinations3
Airspace clearance
On file as archived / procedural records — no standing clearance to track.
Filing activity
Most recent determination 2018-06-13
NRAARCH-DeterminedASN 2018-ANE-1364-NRA2022-09-28
Heliport · 2 ft AGL — This is an application for a floating movable pontoon boat helipad (PPR only) mostly located in the water behind house of 77 Spur Rd. Dover NH 03820.
NRAARCH-DeterminedASN 2016-ANE-819-NRA2016-08-22
Runway · 1 ft AGL — Site map and Sketch are included in pdf attached to this application. 1 mile long private seaplane base on Bellamy River in Dover NH. Airport locator 5939. Runway 18 departures will be right traffic and 36 departures will be left traffic to avoid flying over homes. No runway markers. Windsock on north end. Contact KPSM at 128.4 prior to landing and departure. Leinsing heliport 2ME7 located on north and will use same frequency for approach and departure.
NRAARCH-DeterminedASN 2014-ANE-745-NRA2014-11-20
Heliport · 1 ft AGL — Residential private heliport in backyard grass area that is 150 x 150 feet (100 x 100 foot FATO) at 77 Spur Rd. Dover NH 03820 which also abuts Bellamy River. The landing area will be just outside the class D airspace of KPSM on the 360 radial. Pictures maps and plans are available.
Blueprint
The record vs. what we measured
79/100
DATA INTEGRITY
eVTOL footprint
Footprint assessment available.
SIGNALFEDERAL RECORDMEASURED
Surface elevation10 ftnot cross-checked
Structurenot on recordGround-level
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.