AirIndex Research · FAA LID PA27

BUTZ

ALLENTOWN, PA. Operational · Private use.

OperationalPrivate usePrivate
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Data integrity

50/100
Self-reportedData Integrity Index
Independent inspection
Owner self-reported — never independently field-inspected
Location confidence
⚠ Location-suspect — recorded coordinates may be mislocated
Terrain cross-check (USGS 3DEP)
FAA 454 ft MSL · USGS ground 437 ft · Δ 18 ft
Structure cross-check (Overture / OSM)
Ground-level — no building footprint at the coordinate
Cross-source consensus
Single independent source — no corroboration available

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 · obstruction screen
100 ft · eVTOL FATO35 ft
The recorded pad is 65 ft short of the 100 ft footprint an eVTOL would need — shown to scale.
recorded pad eVTOL FATO
Recorded pad (limiting side)
35 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.
Obstruction clearance
No FAA obstacle data on file — clearance unverified

Measured against FAA pad geometry and federal FATO sizing (EB-105). 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
OE3A archive: ASN 2006-AEA-322-NRA determined 2006-07-03
Q3 · State enforcementUNKNOWN
State enforcement posture not yet assessed.
Q4 · NFPA 418UNKNOWN
NFPA 418 adoption status not yet assessed for this jurisdiction.

FAA facility data

FAA LID
PA27
AIX ID
aix:hp:5KAQNWEF
Lat / Lng
40.60426, -75.56213
Elevation
454 ft MSL
Pad dimensions
35 × 35 ft
Surface type
CONC
Surface condition
FAIR
Activation date
1977/01
Last owner update
2022/03/09

Situations open at this facility1

mediumsuspect record with trafficopened 2026-08-30 · situation-rules-v1
Record flagged as possibly mislocated, with 4 observed eVTOL flights in the last 30 days at 1 endpoint within 15 nm (nearest KABE, 6 nm): aircraft may be routed to a position the record does not support.
Situations are rules-based inferences across the obstruction, observed-operations and record layers, re-evaluated nightly; each carries its evidence and closes when the condition no longer holds.

FAA OEAAA airspace determinations1

Airspace clearance
On file as archived / procedural records — no standing clearance to track.
Filing activity
Most recent determination 2006-06-22
  • NRAARCH-DeterminedASN 2006-AEA-322-NRA
    2006-07-03
    Heliport · 1 ft AGL — TIME EXTENSION FOR PRIVATE USE HELIPORT\r\nSEE 04-AEA-499-NRA
Blueprint
The record vs. what we measured
50/100
DATA INTEGRITY
eVTOL footprint
FATO 100 ft reqHTLOF 35 ft

The 35 ft pad is 65 ft short of the 100 ft an eVTOL FATO requires (measured).

SIGNALFEDERAL RECORDMEASURED
Surface elevation454 ftnot cross-checked
Structurenot on recordGround-level
Pad dimensions35 ft side (filed)35 ft side · measured
Coordinate integrityas filed⚠ location-suspect
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.
Request Ground Truth verification

Full risk assessment

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.

Request the full assessment

Building autonomous systems? See the machine-verified feed

Provenance FAA NASR 5010 · pad dims APT cycle 2026/03/19 · USGS 3DEP terrain · Overture structure · eVTOL screen conversion-feasibility-1.1 · AIX-ID aix:hp:5KAQNWEF · Methodology →
Cite this facility

BUTZ, ALLENTOWN, PA (FAA PA27). AirIndex facility record aix:hp:5KAQNWEF. Verifiable at https://www.airindex.io/verify/aix:hp:5KAQNWEF.

Verify this record →

AIX-IDs are free to cite and reference; the registry is the source of record. The verify link resolves this record against the audit chain.

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