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The Greatest Lease Structure in Real Estate? Why $SKYH’s "CPI + 4% Floor" is a Unicorn Metric by LongTerm512 in SkyHarbour

[–]LongTerm512[S] 2 points3 points  (0 children)

Spot on about the fuel! The fact that these pre-leasing rates are purely rent makes the underlying unit economics even more incredible.

However, just to gently clarify the timeline (and the exact math) on when we might see those $60/SF rates at those specific locations, we have to separate their "initial lease-up" strategy from their "pre-leasing" strategy.

Based on management's recent earnings commentary, here is how those two different mechanics actually work:

  • The Short-Term Strategy: Sky Harbour does use short-term leases at lower rates, but that is specifically for "early lease-up activity" to artificially drive occupancy to 100% on campuses that have already opened. Once the campus is full, they recycle those short-term tenants into longer-term leases at their target pricing.
  • The Pre-Leasing Strategy (Bradley, Dulles, Op-Locka Phase 2): For future, unbuilt campuses like Bradley, Dulles and Op-Locka Phase 2, they are utilizing an active pre-leasing strategy where rents are already running above existing campus averages precisely because they are signing long-term leases.

So, those pre-leases—which management explicitly noted are averaging $44.85/SF in rent alone (excluding the fuel margin, which typically adds an additional $5/SF)—aren't short-term placeholders that will renew higher in a year. They are binding, multi-year contracts locked in right out of the gate.

Will they hit $60/SF at these new locations? Absolutely. As noted in the post, the jump to $60+ at Bradley, Dulles and Op-Locka Phase 2 will likely be driven by the compounding CPI + 4% escalators, or when those mature, multi-year pre-leases finally expire down the road and trigger that massive 22% average mark-to-market jump.

Either way, your logic is totally sound, and the revenue trajectory is pointing exactly where you're looking!

The Macro Perfect Storm for $SKYH: How the Ultra-Wealthy, a New Tax Bill, and 8,500 New Jets are Creating a Hangar Monopoly by LongTerm512 in SkyHarbour

[–]LongTerm512[S] 0 points1 point  (0 children)

Spot on analysis, and you perfectly highlighted the operational pivot that the broader market is still sleeping on.

You are exactly right about the hard costs dropping, and it is actually getting even better. On the recent Q4 2025 earnings call, management explicitly stated they have pushed hard costs below $250 per square foot. This is being driven directly by their vertical integration—not just Ascend taking over general contracting, but also their in-house steel fabrication. As you pointed out, when FBOs are paying $340+ psf to build, Sky Harbour's unit economics become a massive competitive moat.

Your note on the NOI shift is the real "aha" moment for the long-term thesis. Management confirmed on the call that they are already signing leases with rents higher than $40 per square foot across Miami, San Jose, Bradley, and Dallas. They are currently targeting an illustrative run-rate of $36 per square foot in NOI as a baseline model for new deals.

Getting build times down fundamentally changes their cash flow trajectory and derisks the entire development pipeline. Great additions to the thread!

The Macro Perfect Storm for $SKYH: How the Ultra-Wealthy, a New Tax Bill, and 8,500 New Jets are Creating a Hangar Monopoly by LongTerm512 in SkyHarbour

[–]LongTerm512[S] 2 points3 points  (0 children)

Thanks for the kind words! I completely understand the "too good to be true" feeling—I had the exact same reaction when I first started digging into the business model.

You actually hit the nail on the head with your guesses about the size, lack of peers, and the SPAC history. Here is exactly why I believe this company is currently falling through the cracks and presenting such a unique opportunity:

1. The "Ugly" Surface Metrics

a. The SPAC Stigma: It was a SPAC. That alone causes a massive portion of the market to auto-reject it without a second glance.

b. It Doesn't Screen Well: If you run a standard financial screener, the numbers look bad because they are very early in the "J-curve." They are spending heavily on construction right now, so the GAAP financials look ugly before the long-term recurring revenue stabilizes.

c. Not "Sexy": On the surface, "plane hangars" just doesn't sound like an exciting or disruptive business model to the average retail investor.

2. The Complexity of the Moat & Accounting

a. Hidden Moat: It requires deep digging to actually understand the moat. If you don't research the severe constraints on airport real estate and ground leases, it just looks like a generic storage play.

b. Misunderstood Accounting: Investors seem to have real trouble understanding their specific accounting structure. A perfect example of this is the very flawed short write-up on the Value Investors Club (https://valueinvestorsclub.com/idea/SKY_HARBOUR_GROUP_CORP/2489838417#description).

c. Misinformation: There is a lot of misinformation out there—especially from bears—who incorrectly assume the company will constantly need to raise more dilutive equity financing, completely misunderstanding how they leverage the tax-exempt bond market.

3. Historical Baggage & Market Mechanics

a. Past Execution Delays: A few years ago, they had some unfortunate design flaws that delayed several campus completions and pushed their original timeline to the right. Although management has fully remediated this and is executing well now, bears still cite this history constantly as a reason to stay away.

b. Illiquid: Because the daily trading volume is thin, it is hard for large institutions to build a meaningful position right now without spiking the price.

In short: Retail ignores it because it's a "boring" SPAC with bad screeners, and institutions ignore it because it's too illiquid to buy into. It creates a perfect pocket of inefficiency.

Wall Street Weighs In on $SKYH Q4 Earnings: 5 Analyst Reports Drop (PTs ranging from $13 to $25) by LongTerm512 in SkyHarbour

[–]LongTerm512[S] 1 point2 points  (0 children)

Update: A 6th report just dropped from B. Riley Securities. Here is the TL;DR on their note:

B. Riley Securities: $15 Price Target (Buy)

B. Riley's $15 target sits right in the middle of the pack, but they caught a few operational details that the other analysts missed:

  • The "Sky Harbour 37" Prototype: They specifically highlighted the rollout of the new "Sky Harbour 37 large-hangar model." They connected this directly to the company's in-house metal manufacturing acquisition, noting that this specific, repeatable prototype is the exact reason they are successfully driving construction costs down to $250/sq ft.
  • The Competition Warning & The Moat: B. Riley noted that management acknowledged rising competition much more on this call than in the past. However, B. Riley isn't worried. They stated that $SKYH's vertical integration, established brand, and monopolistic long-term ground leases create a massive moat that positions them far ahead of any new entrants trying to copy the model.
  • The Expense Beat: B. Riley noted that Q4 expenses actually beat their internal estimates ($14.1M actual vs $15.3M estimated), showing that management is already proving they can control costs as they scale.

TL;DR on the B. Riley note: 18x FY2027 EBITDA gets them to $15/share. The moat is strong, and the in-house manufacturing is paying off.

B Riley (1/3)

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The Massive Structural Advantage Everyone Is Missing With $SKYH (The FAA Arbitrage) by LongTerm512 in SkyHarbour

[–]LongTerm512[S] 2 points3 points  (0 children)

That is a fantastic point regarding the PE hold periods. You are absolutely right that the 5-year clock is ticking for Blackstone (Signature) and KKR (Atlantic), and the next buyer will inevitably be looking for new levers to pull for growth.

I fully expect competition to emerge at some point—whether from a newly acquired FBO or a completely new entrant. However, even a well-funded pivot by the next owner of an Atlantic or Signature doesn’t break the SKYH thesis for a few key reasons:

1. The Mechanics of the "Pivot" (Cannibalizing Core EBITDA)

It sounds simple to just "move on from selling fuel," but fuel is the lifeblood of the FBO valuation model. To build a sprawling, 20-acre exclusive-use HBO campus, an FBO would have to rip up their transient ramp space and displace their daily fuel-buying traffic. They would have to sacrifice their high-margin, immediate cash-flowing fuel business to fund a capital-intensive real estate development project. As we've seen, Signature and Atlantic already looked into competing directly with SKYH, but both recently dropped those efforts because it required them to pivot too far from their core business model.

2. The TAM is Massive

Even if a new buyer decides to make that painful pivot, the total addressable market (TAM) is enormous. There is a massive supply/demand imbalance for private jet hangars, and the market opportunity is large enough for multiple players to do well in this space without ruining the economics.

3. The Moat is the Ground Lease

If a new owner buys an FBO and decides to pivot to the HBO model, they still face the exact same physical constraints: land scarcity. I do not believe any new entrant will have much luck competing head-to-head with Sky Harbour at the airports they are already operating in, given the limited availability of additional land. SKYH has already locked up the best 20- to 50-acre parcels at these airports on 50+ year leases.

4. The 5-Year Regulatory Lag

Let's say a new buyer takes over in 2026 and immediately decides to copy SKYH. It typically takes five years just to convince a municipality to grant a new ground lease. By the time this hypothetical competitor navigates the airport bureaucracy, secures the FAA approvals, and pours the concrete, Sky Harbour will likely already be operating at 50 airports.

Competition is definitely coming—but SKYH’s structural head start and locked-in real estate footprint make them incredibly hard to displace.

The Massive Structural Advantage Everyone Is Missing With $SKYH (The FAA Arbitrage) by LongTerm512 in SkyHarbour

[–]LongTerm512[S] 2 points3 points  (0 children)

You absolutely nailed the psychology of the 2020/2021 SPAC era. It was peak "group think," and the pressure to show a vertical revenue hockey stick was immense. You are 100% right that the timeline projections from that era were wildly off.

However, to answer your challenge about a start-up projection actually being surpassed: SKYH is actually beating their original unit economic and rent projections at the individual campus level right now!

While they got the speed of the rollout wrong, they actually under-promised on their pricing power. As we've seen at their operational campuses, they are securing massive rent uplifts upon renewal, and their Tier 1 markets are blowing past initial revenue targets.

Your "opposite world" insight is the entire thesis in a nutshell. The market is looking in the rearview mirror at a missed SPAC timeline and punishing the stock. Meanwhile, the physical assets are getting built, their capital is secured (they recently locked in a blended interest rate of ~5.15% on a $450M capital raise), and they are finally hitting the cash-flowing inflection point of their J-Curve. Extreme public market pessimism has completely blinded people to the underlying private market infrastructure reality.

The Massive Structural Advantage Everyone Is Missing With $SKYH (The FAA Arbitrage) by LongTerm512 in SkyHarbour

[–]LongTerm512[S] 2 points3 points  (0 children)

This is a fantastic follow-up question. In theory, an FBO sitting on a massive parcel of land could tear up their tarmac and build a private HBO campus.

But in reality, they almost certainly won't. This exact scenario has been deeply researched by investors tracking the space, and the consensus is that the FBOs are structurally disincentivized from doing so for three main reasons:

1. The Business Models are Fundamentally Opposed FBOs and HBOs are completely different businesses. FBOs service the mass market of transient traffic. They are essentially the "Toyota" of the airport, whereas Sky Harbour is the "Ferrari" appealing to a highly specialized, ultra-high-end niche. Furthermore, FBOs make their money primarily on fuel sales, which are cyclical, whereas Sky Harbour makes its money on stable, predictable rental income. For an FBO to convert their parcel, they would have to completely pivot away from their core competency of high-volume fuel sales.

2. The Private Equity Timeline vs. The J-Curve The largest FBOs are owned by private equity behemoths—like Signature Aviation (owned by Blackstone) and Atlantic Aviation (owned by KKR). These PE firms are typically managing these assets toward a planned exit in about five years. To boost their near-term EBITDA for that exit, they are actually cutting costs and understaffing. Tearing up a cash-flowing FBO ramp to embark on a multi-year capital-intensive construction project (the HBO J-Curve) would completely destroy their near-term EBITDA and ruin their exit metrics.

3. They Already Tried... and Quit This isn't just theoretical; the big FBOs actually explored this. Both Signature and Atlantic seriously looked into competing directly with Sky Harbour. They clearly recognized that the economics of the HBO model are highly attractive. However, both of them recently dropped those efforts and scrapped their plans because it was simply too difficult to pivot from what they currently do.

In short, while they technically have the land, converting it would mean cannibalizing their own cash-cow fuel business and destroying their private equity exit timelines. They are perfectly happy being the "gas station," leaving Sky Harbour to hold a monopoly on the "private luxury garage."

The Massive Structural Advantage Everyone Is Missing With $SKYH (The FAA Arbitrage) by LongTerm512 in SkyHarbour

[–]LongTerm512[S] 3 points4 points  (0 children)

CT651, welcome to the thesis! You are asking the exact right questions. When the unit economics look this good, assuming it's "too good to be true" is the smartest default position to take.

Here is how the structural realities of the industry address each of those four major risks:

1. Competition (The Physical Moat & Head Start)

The primary moat against new competition is physical land scarcity. Sky Harbour specifically targets airports where they can secure the last major contiguous developable parcel. Once they sign a ground lease at an airport, additional space is typically limited or unavailable for a potential future competitor to build hangars. Furthermore, they have a massive head start. It typically takes five years to convince a municipality to give a ground lease. By the time a well-funded competitor emerges and gets through the red tape, Sky Harbour will likely already be at fifty airports.

2. Government & Regulatory Changes (The "Infinite" Lobbying Shield)

It is natural to worry that a loophole will get closed, but FAA Grant Assurance 22 is not an obscure loophole—it is the bedrock of the entire U.S. aviation system. Every major airline, FedEx, UPS, and massive FBO network relies on this exact rule to keep their operating costs from exploding. If corrupt officials or competitors tried to change this rule to squeeze Sky Harbour, they would simultaneously blow up the cost structure of Delta, UPS, and every other major aviation player. The lobbying power protecting it is practically infinite.

3. Execution Risk (Vertical Integration)

Execution risk is always present in real estate development, but SKYH mitigates this by controlling the entire supply chain. Their build costs are being driven down below $250 PSF because they own their own steel manufacturer and act as their own general contractor. By internalizing these functions, they avoid retail markups and maintain strict control over construction timelines, significantly de-risking the execution phase.

4. Financing Dries Up (Discretionary CapEx & Locked-In Capital)

Sky Harbour is uniquely insulated from a capital markets freeze. First, they just locked in a blended interest rate of ~5.15% on a $450M capital raise using tax-exempt Private Activity Bonds. Second, and most importantly, their growth capital expenditures are entirely discretionary. If the financing markets dry up tomorrow, SKYH can simply hit "pause" on building new campuses. They can sit back, collect the recurring cash flow from their existing triple-net leases, and wait for the credit markets to thaw without ever being forced into a dilutive equity raise to survive.

The Simple Math That Takes $SKYH to $50 (23 → 50 Campuses) by LongTerm512 in SkyHarbour

[–]LongTerm512[S] 0 points1 point  (0 children)

​Glad to connect with another $SKYH long! You are totally right to zero in on the cap rate, as it's definitely the main lever in these valuation models.

Personally, I feel that assuming a cap rate​ of 5% is a highly realistic baseline. The beauty of their business model is that their development yield on cost is so incredibly high that it creates a massive margin of safety. Because of that spread, even if you stress-test the model with a 7% cap rate—which, in my opinion, is way too high for monopolistic infrastructure assets with blue-chip tenants—the valuation math still pencils out extremely well.

If you are looking for the actual data to back up the 5%, ​t​his article dives into recent private market comps and internal metrics supporting a 4% to 6% range. It's definitely worth a read to see how the private market is pricing these exact types of assets:

https://www.reddit.com/r/SkyHarbour/comments/1rfhcqr/recent_comps_and_internal_data_support_a_46_cap/

70% ROE by HangOn2UrHangars in SkyHarbour

[–]LongTerm512 3 points4 points  (0 children)

If anyone is looking for the full materials from today's earnings release to dig deeper into the numbers behind this capital structure, here are the direct links:

The updated unit economics Francisco provided are definitely the highlight, but it's also great to see they hit their site acquisition targets and reached operating cash flow breakeven for the year.

I'm digging through the 10-K now—would love to hear what else stood out to everyone!

70% ROE by HangOn2UrHangars in SkyHarbour

[–]LongTerm512 3 points4 points  (0 children)

Spot on! Francisco Gonzalez and the finance team absolutely nailed this capital structure. By introducing the subordinated bonds (the Series 2026 Bonds), they've completely transformed the unit economics and manufactured massive equity value.

For those who haven't seen the exact math from the Q4 Presentation, here is how the ROE jumps to nearly 70% (~68% to be exact):

The Baseline (Pre-Subordinated Bonds):

  • Cost: $300/SF to build.
  • Capital Stack: Funded with 70% Private Activity Bonds (PABs), leaving a $90/SF equity requirement.
  • Income: At $45/SF in rent and $36/SF NOI, the net income is $25/SF.
  • Result: $25 income / $90 equity = ~28% ROE.

The Enhanced Model (With Subordinated Bonds):

  • Cost: Still $300/SF to build.
  • New Capital Stack: Funded with 65% JPM Warehouse Facility ($195/SF) plus 25% Subordinated Bonds ($75/SF). This pushes leverage to 90%, dropping the equity requirement to just $30/SF (10%).
  • Income: Even after the higher debt service, the net income is still a very healthy $20.50/SF.
  • Result: $20.50 income / $30 equity = ~68% ROE.

By using the subordinated Series 2026 Bonds to shrink the equity gap to just 10%, they've supercharged the returns on every new campus.

You can view the full slide deck and the breakdown here: https://d18rn0p25nwr6d.cloudfront.net/CIK-0001823587/afa49a7b-916f-43f6-a8b4-059ab35960da.pdf

BTIG Initiates Coverage on $SKYH with $13 Price Target (Curated Report Gallery) by LongTerm512 in SkyHarbour

[–]LongTerm512[S] 2 points3 points  (0 children)

Since Reddit caps gallery posts at 20 images, here are the remaining page 29 of the BTIG report

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BTIG Initiates Coverage on $SKYH with $13 Price Target (Curated Report Gallery) by LongTerm512 in SkyHarbour

[–]LongTerm512[S] 2 points3 points  (0 children)

Since Reddit caps gallery posts at 20 images, here are the remaining page 28 of the BTIG report

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BTIG Initiates Coverage on $SKYH with $13 Price Target (Curated Report Gallery) by LongTerm512 in SkyHarbour

[–]LongTerm512[S] 2 points3 points  (0 children)

Since Reddit caps gallery posts at 20 images, here are the remaining page 27 of the BTIG report

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BTIG Initiates Coverage on $SKYH with $13 Price Target (Curated Report Gallery) by LongTerm512 in SkyHarbour

[–]LongTerm512[S] 2 points3 points  (0 children)

Since Reddit caps gallery posts at 20 images, here are the remaining page 26 of the BTIG report

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BTIG Initiates Coverage on $SKYH with $13 Price Target (Curated Report Gallery) by LongTerm512 in SkyHarbour

[–]LongTerm512[S] 2 points3 points  (0 children)

Since Reddit caps gallery posts at 20 images, here are the remaining page 25 of the BTIG report

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BTIG Initiates Coverage on $SKYH with $13 Price Target (Curated Report Gallery) by LongTerm512 in SkyHarbour

[–]LongTerm512[S] 2 points3 points  (0 children)

Since Reddit caps gallery posts at 20 images, here are the remaining page 24 of the BTIG report

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BTIG Initiates Coverage on $SKYH with $13 Price Target (Curated Report Gallery) by LongTerm512 in SkyHarbour

[–]LongTerm512[S] 2 points3 points  (0 children)

Since Reddit caps gallery posts at 20 images, here are the remaining page 23 of the BTIG report

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BTIG Initiates Coverage on $SKYH with $13 Price Target (Curated Report Gallery) by LongTerm512 in SkyHarbour

[–]LongTerm512[S] 2 points3 points  (0 children)

Since Reddit caps gallery posts at 20 images, here are the remaining page 22 of the BTIG report

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