AirIndex Research · FAA LID 89FA

WATSON ISLAND

MIAMI, FL — Miami metro. Operational · Private use.

OperationalPrivate usePublic
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Data integrity

79/100
CorroboratedData Integrity Index
Independent inspection
Owner self-reported — never independently field-inspected
Location confidence
No coordinate anomaly detected
Terrain cross-check (USGS 3DEP)
FAA 6 ft MSL · USGS ground 4 ft · Δ 2 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

InfeasibleConversion feasibility · obstruction screen
100 ft · eVTOL FATO50 ft
The recorded pad is 50 ft short of the 100 ft footprint an eVTOL would need — shown to scale.
recorded pad eVTOL FATO
Recorded pad (limiting side)
50 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
High obstacle within 0.5 nm — conflicts with the expanded footprint and 8:1 approach

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
OE/AAA ASN 2024-ASO-9820-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
89FA
AIX ID
aix:hp:QK1CDXTM
Lat / Lng
25.78278, -80.17633
Elevation
6 ft MSL
Pad dimensions
50 × 50 ft
Surface type
CONC
Surface condition
FAIR
Activation date
2025/07
Last owner update
2026/04/24

FAA OEAAA airspace determinations9

Airspace clearance
On file as archived / procedural records — no standing clearance to track.
Filing activity
Most recent determination 2025-06-17 · 1 in the last 24 months
  • NRAARCH-DeterminedASN 2025-ASO-8491-NRA
    2025-06-30
    Form 7480 · 0 ft AGL — City of Miami (sponsor/owner) request to deactivate / remove H1 from X44.
  • NRAARCH-DeterminedASN 2024-ASO-9820-NRA
    2024-08-12
    Form 7480 · 6 ft AGL — LAP ASN # 2024-ESA-108-LAP\r\n\r\nOn 01/15/2025 a revised letter was issued at the request of Michael Stinson to remove line item 16 from the original determination letter.
  • NRAARCH-DeterminedASN 2018-ASO-2772-NRA
    2019-06-01
    Form 7480 · 0 ft AGL — This proposal is for the alteration of landing and take-offs at a established helipad on X44 in Miami Watson Island FL. The landing area proposal (7480) associated with this case is 2018-ESA-35-LAP. (see attachment for details)
  • NRAARCH-DeterminedASN 2017-ASO-5239-NRA
    2018-03-13
    Form 7480 · 0 ft AGL — Proposal for a new privately owned private-use heliport: 1020 Port Blvd in Miami FL. The proposed heliport consists of a waterborne FATO (105ft diameter) and two parking areas (46ft diameter & 37ft diameter). No IFR procedures are anticipated.
  • NRAARCH-DeterminedASN 2015-ASO-3598-NRA
    2015-10-22
    Heliport · 0 ft AGL — **ESTABLISH** PPR heliport for tour helicopter operation on second story of existing parking garage structure. Located in Miami FL.
  • NRAARCH-DeterminedASN 2014-ASO-2275-NRA
    2015-01-05
    Heliport · 1 ft AGL — This is a Notice Of Proposed Landing Area FAA Form 7480-1 for the reestablishment of a heliport on Watson Island. Please see attached correspondence for further details.
  • NRAARCH-DeterminedASN 2010-ASO-396-NRA
    2010-10-18
    Planning · 0 ft AGL — This is an ALP Update. A hard copy will follow by US Mail. This ALP Update is being prepared concurrently to an NRA to establish a helipad at the facility. The sponsor provided corrected ARP data and the ALP has been redlined to reflect the correct data. The final ALP will depict the correct data. In addition to the new helipad the sealane has been decreased to 14 000 ft.
  • NRAARCH-DeterminedASN 2010-ASO-192-NRA
    2010-07-30
    Heliport · 5 ft AGL — Establishment of heliport at Watson Island Seaplane Base
  • NRAARCH-DeterminedASN 2006-ASO-622-NRA
    2006-11-06
    Heliport · 0 ft AGL — Relocation / reactivation of previously closed facility 1000' to the Southeast of old facility. Public Use facility (Watson Island) FATO- 70x70 TLOF 40x40 Southwest magnetic direction of ingress/egress routes asphalt/concrete surface.

Safety history (NTSB)1

Accident history

1 NTSB helicopter event within 3 nm since 2010 (1 accident); most recent 2024-02-01.

  • ACCIDENT0.2 nm
    2024-02-01
    ROBINSON HELICOPTER COMPANY R44 II · Miami, FL — NTSB CAROL

NTSB helicopter accidents & incidents geocoded within 3 nm of this pad and attributed to the nearest facility — proximity, not a determination that an event occurred at this site. Source: NTSB aviation accident database.

Blueprint
The record vs. what we measured
79/100
DATA INTEGRITY
eVTOL footprint
FATO 100 ft reqHTLOF 50 ft

The 50 ft pad is 50 ft short of the 100 ft an eVTOL FATO requires (measured).

SIGNALFEDERAL RECORDMEASURED
Surface elevation6 ftnot cross-checked
Structurenot on recordGround-level
Pad dimensions50 ft side (filed)50 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.
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:QK1CDXTM · Methodology →
Cite this facility

WATSON ISLAND, MIAMI, FL (FAA 89FA). AirIndex facility record aix:hp:QK1CDXTM. Verifiable at https://www.airindex.io/verify/aix:hp:QK1CDXTM.

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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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