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Microcap Investing Cliff Notes · Aug 11, 2026

Summer 2026 Conference Pitch by Lee Roach

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MS Microcaps LLC · Microcap Investing Cliff Notes

Lee Roach (The Value Road) views Butler National Corporation (OTC:BUKS) as an underappreciated aerospace and defense business whose improving mix, margins, and backlog could support a higher valuation over time. He argues the company’s legacy casino operation obscures the quality and growth of aerospace, which now represents a larger share of revenue, while BUKS still trades at roughly 13x earnings despite what he views as increasingly attractive defense and aircraft-modification exposure.

Lee points to BUKS’ roughly 250 FAA (Federal Aviation Administration) supplemental type certificates as a difficult-to-replicate competitive advantage, alongside sole-source gun control unit work for Northrop’s 20mm to 40mm weapons platforms. He also highlights 33% aerospace revenue growth, a 27% backlog increase from $37 million to $47 million, expanding margins, continued insider buying, and the potential growth of higher-margin aircraft modification kit sales.

Potential catalysts include FAA approval for the King Air cargo-door modification in ambulatory applications, continued defense demand, a possible casino sale, and an eventual exchange uplisting. Lee estimates the casino generates $13 million to $14 million of EBITDA (earnings before interest, taxes, depreciation, and amortization) and believes a sale at 5x to 7x EBITDA could generate roughly $65 million to $90 million pre-tax for debt reduction, acquisitions, or shareholder returns.

  • Aerospace growth depends partly on continued defense demand, aircraft modification activity, and successful commercialization of new kits.

  • Kit sales are expected to be lumpy, while longer defense contracts may take roughly 18 months to fulfill.

  • New aircraft modifications require meaningful upfront engineering and certification spending before revenue can scale.

  • FAA approval for ambulatory use of the King Air cargo-door modification remains pending.

  • The M134 minigun is not patented, and Lee notes that other manufacturers can produce it.

  • BUKS is operating under an interim CEO and still needs to appoint permanent leadership.

  • A casino sale and exchange uplisting are thesis catalysts proposed by Lee rather than announced transactions.

  • Casino gaming activity has weakened, with Lee citing pressure from the surrounding cattle-dependent economy.

  • How sustainable are current aerospace operating margins as revenue mix shifts further toward kit sales and defense programs?

  • What percentage of aerospace revenue and backlog is tied to Northrop or other concentrated customers and programs?

  • How much incremental revenue and margin opportunity could the King Air cargo-door certification create if ambulatory approval is received?

  • How defensible are BUKS’ FAA certificates against competing modification providers over the long term?

  • What portion of future defense growth is expected from new weapon systems versus retrofitting older gun control units?

  • How significant could kit sales become within the stated 10% to 25% of aerospace revenue range, and what are the associated unit economics?

  • What is the probability, timing, and likely valuation of a casino divestiture under a new CEO?

  • How would management allocate proceeds from a casino sale among debt repayment, acquisitions, buybacks, or other shareholder returns?

  • What qualifications and operating priorities will the permanent CEO bring to the aerospace business?

  • What remaining requirements would BUKS need to satisfy before pursuing an exchange uplisting?

Read the original on mscliffnotes.substack.com

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