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R CUBED ENGINEERING LLC

Palmetto, FL · Defense · Private

Miniaturized multi-mode IFF/ADS-B transponder for small unmanned aircraft systems

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Updated · rcubedengineering.com

Sector
Defense
Headquarters
Palmetto, FL
Total capital
$94.6M
Federal grants
$7.9M
3 awards · 2017–2019
Rank in peer group#50 of 164
Private capital raised
None on recordNo Form D filings on SEC EDGAR. Some raises are not filed.
Federal contracts
$86.8M
23 awards · Defense, NASA
Rank in Defense#93 of 1442
Granted patents
None on recordNo USPTO grants. Applications publish after 18 months.

Capital timeline

20092013201720212025FEDERAL ↑EQUITY ↓Cumulative $94.6M$17.5M$7M$6.7M$11.7M$23.1M$7M
20092013201720212025FEDERAL ↑EQUITY ↓Cumulative $94.6M$17.5M$11.7M$23.1M

Latest events

  • Federal contractDefense · SBIR Phase III Research & Development$7M
  • Federal contractDefense · SBIR Phase III Research And Development$23.1M
  • Federal contractDefense · SBIR Phase III Research And Development$11.7M
  • Federal contractDefense · SBIR Phase III Research And Development$6.2M
  • Federal contractDefense · Mode 5 Transponder And GPS Data$53K
  • Federal contractDefense · SBIR Phase III Research And Development$981K
  • Federal contractDefense · SBIR Phase III Research And Development$1.2M
Show 19 earlier federal awards
  • Federal contractDefense · SBIR Ph III$6.7M
  • Federal contractDefense · R Cubed Engineering SBIR Phase II$1.1M
  • Federal contractDefense · Research And Development$3M
  • Federal contractDefense · SBIR Phase I Final Report And Project Summary$108K
  • Federal grantDefense · Phase II · Micro Identification Friend or Foe (IFF)$7M
  • Federal grantNASA · Phase II · Independent Authentication of ADS-B And Transponder EquippedAircraft Location$749K
  • Federal contractNASA · This SBIR Demonstrates That Advanced Development Of Software Defined Radios (sdrs) Has Produced Highly Capable, Multifunctional, Miniature Avionics Suitable For All Aircraft.$1.1M
  • Federal contractDefense · Final Report$17.5M
  • Federal contractNASA · This Proposal Supports F20 A3.01 - Advanced Air Traffic Management Systems Concepts; Technology Area TA15 : Aeronautics - Specifically, Independent Verification And Validation Of Aircraft Ads-b Transmissions. Safely Achieving Full Autonomy And Higher Density In The Nas Requires That The Position Of Every Aircraft In A Given Airspace Be Known To All Participants In That Airspace With A Very High Level Of Integrity. Gnss (including GPS) And Ads-b Can Provide Sufficient Aircraft-toaircraft Accuracy$125K
  • Federal grantNASA · Phase I · High Integrity GPS Solution for Trusted Automatic Dependent Surveillance - Broadcast (ADS-B)$114K
  • Federal contractDefense · Transceiver Pr# 55-4020-17$5K
  • Federal contractDefense · Igf::ot::igf Research And Development$50K
  • Federal contractNASA · Igf::ot::igf Avionic For Low Altitude High Density Suas Dynamic Configurable Dual Ads-b With Interrogation Flight Safety In The Nas Consists Of Multiple Layers ? Flight Planning, Routing, RADAR Coverage, Transponder Coverage, And Dual Band Ads-b Are Examples. This Proposal Will Focus On Optimization Of The Existing Active RF Dual Band Ads-b And Transponder System For Use With Anticipated Large Numbers Of Suas. Suas Will Often Be Operating In Areas And At Altitudes That Will Not Be Visible To$124K
  • Federal contractDefense · Research And Development Igf::ot::igf$1.8M
  • Federal contractNASA · All Weather Sense And Avoid Systems Radios$15K
  • Federal contractDefense · SBIR Phase I Topic N 142-102 Research And Development$150K
  • Federal contractNASA · Igf::ot::igf Dual Band Automatic Dependent Serveillance-broadcast Radios$8K
  • Federal contractDefense · Research And Development In The Physical, Engineering, And Life Sciences (except Biotechnology)$506K
  • Federal contractDefense · Research And Development In The Physical, Engineering, And Life Sciences (except Biotechnology)$4.2M

Node area is scaled to amount. Form D reports securities sold, which can differ from an announced round; filings are numbered in the order they were made.

Standing among 164 peers

Line = median

Defense · Device

  • Federal grants#50 · top 30%

Cumulative measures favor older companies. Rankings describe position today, not outcome. Below the median, ranks show as a band rather than a number.

Founders and team

No founders are linked to this company yet.

Founders appear once a person is matched to the company through its own patents, grants or filings. We never infer people from social profiles.

Checked: USPTO inventors; federal award principal investigators; SEC Form D related persons · Oct 23, 2026

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What it has protected

No granted patents are on record.

USPTO usually publishes applications 18 months after filing, so recent applications may not be visible yet. Patents assigned under a different entity name won’t match.

Checked: USPTO granted patents and published applications · Oct 23, 2026

Related companies, and why

Regulatory activity · Defense

Sector-level, not company-level

Rules are matched to sector, not to company. Recent activity in a sector is context rather than a signal about this business — until rules are matched to what a company actually builds, the section is shown as context and nothing more.

Sources

Federal grants from SBIR/STTR, NIH, NSF and DoD records. Federal contracts from USAspending.gov. Private capital from SEC Form D. Patents from USPTO. Publications from OpenAlex. Regulatory activity from the Federal Register. Press matched on company name.

How to read this page

Figures show associations in public records, not causes or predictions. Nothing here is investment advice. An em-dash means no record was found under this company's name, not that none exists.

Data freshness

SEC Form D filings through . SBIR and STTR awards through .