UAM MARKET PULSE · ISSUE 11
Friday, May 22, 2026

When Tier IV Spends $42M: This Week’s Counter-Example in San Antonio

AirIndex’s State Regulatory Spectrum places Texas at Tier IV — the Recognition Gap, no state-level licensing pathway for private-use aviation facilities. This week, Port San Antonio announced $42M in airfield and vertiport investment, anchored by TxDOT grants, FAA Advanced Air Mobility Integration Pilot Program designation, and a Boeing/Wisk-subsidiary partnership with SkyGrid. The two facts are not contradictory; they’re the substrate’s nuance. TxDOT operates as a planning and funding body without licensure authority over private-use facilities — Texas can deploy capital and federal AAM grants even where the state has no statutory framework. The week’s tier flip on San Antonio (EARLY → MODERATE, 45 → 50, regulatory posture published 2026-05-21) marks the moment the substrate registered that nuance as a score move.

Markets to Watch This Week

Top 5 markets by predictive significance, generated from the AirIndex Forward Signals pipeline as of 2026-05-21.

#1 Miami, FL Score 95/100 ACCELERATING
POSITIVE WATCH / IMPROVING Signals 30d: 36 (#8)
Florida: strong enforcement, active DOT · Cluster: Florida Corridor
  • 10 regulatory posture change events tracked (3 high confidence). Regulatory posture shift — typically follows executive order or task force. Validation event only — miami already has full credit on regulatoryPosture. — 30-90 days
  • 31 operator market expansion events tracked (10 high confidence). Operator announcement — follow-on operational events typically follow. Validation event only — miami already has full credit on activeOperatorPresence. — 30-180 days for operational follow-up
#2 Orlando, FL Score 80/100 ACCELERATING
POSITIVE WATCH / IMPROVING Signals 30d: 24 (#10)
Florida: strong enforcement, active DOT · Cluster: Florida Corridor
30d forecast: +5 points
  • 17 operator market expansion events tracked (5 high confidence). Operator announcement — follow-on operational events typically follow. — 30-180 days for operational follow-up (+5 points if realized)
  • 8 regulatory posture change events tracked (1 high confidence). Regulatory posture shift — typically follows executive order or task force. Validation event only — orlando already has full credit on regulatoryPosture. — 30-90 days
#3 Tampa, FL Score 45/100 ACCELERATING
POSITIVE WATCH / IMPROVING Signals 30d: 35 (#9)
Florida: strong enforcement, active DOT · Cluster: Florida Corridor
30d forecast: +5 points
  • 5 infrastructure development events tracked (1 high confidence). Infrastructure development announcement — typical permit-to-operational cycle 3-12 months. — 3-12 months for build/permit cycle (+15 points if realized)
  • 7 regulatory posture change events tracked (1 high confidence). Regulatory posture shift — typically follows executive order or task force. — 30-90 days (+5 points if realized)
#4 New York, NY Score 60/100 ACCELERATING
DEVELOPING / STABLE Signals 30d: 555 (#1)
New York: moderate enforcement, emerging DOT · Cluster: Northeast Corridor
  • 21 faa certification milestone events tracked (20 high confidence). Aircraft certification milestone — typically precedes operator deployment by 2-6 months. Validation event only — new_york already has full credit on activeOperatorPresence. — 60-180 days for operational follow-up
  • 536 operator market expansion events tracked (485 high confidence). Operator announcement — follow-on operational events typically follow. Validation event only — new_york already has full credit on activeOperatorPresence. — 30-180 days for operational follow-up
#5 Charlotte, NC Score 45/100 ACCELERATING
DEVELOPING / STABLE Signals 30d: 14 (#11)
North Carolina: limited enforcement, emerging DOT · Cluster: Southeast Emerging
30d forecast: +5 points
  • 16 operator market expansion events tracked (5 high confidence). Operator announcement — follow-on operational events typically follow. — 30-180 days for operational follow-up (+5 points if realized)
  • faa certification milestone — Aircraft certification milestone — typically precedes operator deployment by 2-6 months — 60-180 days for operational follow-up (+5 points if realized)

See full ranked digest →

The Tier IV Bypass: How a State With No Licensing Path Still Builds

The Tier IV designation isn’t a verdict on a state’s aviation activity; it’s a precise statement about where private-use facility recognition sits in the regulatory hierarchy. Texas, Nevada, and Georgia (provisional) share the placement because their state-level aviation agencies operate as planning and funding bodies rather than as licensing authorities for private-use heliports and vertiports. When Texas deploys capital toward AAM infrastructure — TxDOT grants for airfield upgrades, eIPP-program participation, federal-grant partnerships — it does so without producing a state-level licensure regime for the facilities involved. The capital path and the licensure path are decoupled.

That decoupling is what San Antonio’s $42M demonstrates. Port San Antonio — the political-subdivision airport authority, not the City of San Antonio — combined port reserves with TxDOT grants and FAA Advanced Air Mobility Integration Pilot Program designation. The total project budget runs to $102.5M with $13.6M already allocated to site preparation and design for the vertiport. SkyGrid LLC, a subsidiary of Boeing’s Wisk Aero, is the airspace-integration partner. The state didn’t need a licensure framework for any of that to happen. The federal airspace clearance pathway (OE/AAA) plus state aviation funding plus federal eIPP designation produced the development without engaging a state-level private-use registration step that doesn’t exist.

The implication for the 13 Dallas + Houston cohort sites — named in the 73-site Aeroberm-precision-gap analysis published in this week’s Research drop — isn’t that Texas is closed for AAM. It’s that the capital path runs through federal and state-aviation funding mechanisms (TxDOT, FAA AAM/eIPP, port and airport authorities) rather than through state licensing offices. The Tier IV placement remains accurate as a regulatory-recognition statement; it doesn’t describe deployment velocity.

Florida Holds the Forward Lead

Florida’s cluster — Miami at the top of this week’s forward signals, followed by Orlando and Tampa — continues to reflect three converging dynamics already in the substrate. Miami’s 95/100 forward score tracks the multi-operator footprint (Joby via Blade, Archer’s MIA-FLL corridor partnership with United Airlines, Vertical Aerospace’s announced South Florida network). Orlando’s movement is anchored to operator commitment and regulatory posture. Florida sits at Tier III — Severe Friction — in the State Regulatory Spectrum, which is a different story than Texas: the licensing pathway exists but is operationally painful. The forward signals don’t resolve that friction; they reflect operator behavior despite it.

The full 12-claim cross-reference of NEXA / UAM Geomatics’s $16.6 billion infrastructure forecast — including the Tier IV / TxDOT analysis above — published this week at airindex.io/research. Free with a name + organization.

UAM Market Pulse is a weekly intelligence digest from AirIndex. Forward signals are derived from the AirIndex Forward Signals pipeline aggregating classifier outputs, MarketWatch trajectory, and pre-development facility milestones.

AirIndex · UAM Market Readiness Intelligence · airindex.io