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RESEARCH IN FLIGHT LLC

Auburn, AL · Aerospace · Acquired by Altair Engineering (2024)

Acoustic characterization framework and methodology for evaluating noise signatures of eVTOL and HSVTOL aircraft

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Updated · researchinflight.com

Sector
Aerospace
Headquarters
Auburn, AL
Total capital
$7.8M
Federal grants
$4M
10 awards · 2015–2023
Rank in peer group#15 of 18
Private capital raised
None on recordNo Form D filings on SEC EDGAR. Some raises are not filed.
Federal contracts
$3.7M
6 awards · NASA, Defense
Rank in Aerospace#392 of 1335
Granted patents
None on recordNo USPTO grants. Applications publish after 18 months.

Capital timeline

20152017201920212023FEDERAL ↑EQUITY ↓Cumulative $7.8M$1M$750K$750K$1.2M$1.2M$1.2M
20152017201920212023FEDERAL ↑EQUITY ↓Cumulative $7.8M$1M$1.2M$1.2M

Latest events

  • Federal contractDefense · Performance And Acoustic Design Optimization Tools For Cyclonic Vortex Engines$1.2M
  • Federal grantDefense · Phase II · A Rapid Aerodynamic Prediction Tool for Maneuvering Hypersonic Air Vehicles$1.2M
  • Federal grantDefense · Phase I · Accelerated preconditioned RANS simulations for Hypersonic Flight Vehicles$75K
  • Federal grantDefense · Phase II · A Multi-fidelity Supersonic Flow Solver For Preliminary Design & Optimization$1.2M
  • Federal grantDefense · Phase I · Comprehensive Acoustics Characterization Framework for eVTOL/HSVTOL Aircraft$75K
  • Federal contractDefense · A Multi-fidelity Supersonic Flow Solver For Preliminary Design & Optimization$50K
  • Federal grantDefense · Phase I · Electric Extended Range Airship with Modular Payload (e2-RAMP)$150K
Show 9 earlier federal awards
  • Federal grantDefense · Phase I · Electric Scalable Aerial Transport (eSCAT)$150K
  • Federal contractNASA · Air Vehicle Gust Response Analysis For Conceptual Design$750K
  • Federal grantNASA · Phase I · Early-Design Aeroacoustics Prediction for Distributed Electric Propulsion Vehicles using FlightStream$125K
  • Federal grantNASA · Phase I · Air Vehicle Gust Response analysis for Conceptual Design$125K
  • Federal contractNASA · NASA Research Annoucement (nra) For Moodular Generalized Framework For Assessing Aircraft Aero-propulsive, Stability, And Control Characteristics NASA Continues To Investigate The Potential Of Advanced, Innovative Propulsion And Airframe Concepts To Improve Efficiency For Fuel And Noise Reduction And To Enable New Visions For Flexible, On-demand Travel For The Public. The Potential Benefits Of Advanced Vehicle Designs Such As Blended Wing Bodies And Distributed Electric Propulsion Have Long Bee$540K
  • Federal grantNASA · Phase II · Robust Prediction of High Lift Using Surface Vorticity$750K
  • Federal contractNASA · Igf::ot::igf Flightstream Has Been Developed A Fast, Accurate, Aerodynamic Prediction Code Based On Vorticity Computations On The Surface Of An Aircraft. The Code, Though Still A Surface Paneling Algorithm, Has Proven To Be Significantly More Robust And Computationally Efficient. Flightstream Uses Cad Or An Unstructured Surface Mesh And Is Adaptable To Subpanels Varying In Vertex Valence From Triangles To Surface Polygons. The Focus Of The Recently Completed Phase-i Effort Preceding This Propos$1M
  • Federal contractNASA · Igf::ot::igf Research In Flight Is Proposing To Advance The Capabilities Of Its Surface Vorticity Solver For Aerodynamic Loads On Subsonic Aircraft To Include More Robust Solutions For High Lift Configurations. A Compelling Capability To Accurately Calculate Lift For High Lift Configurations Such As The NASA Eet Geometry And The DLR-F11 Geometry. Generally, There Is An Upper Limit On Lifting Surface Incident Angle Past Which Potential Flow Solvers Such As Flightstream Can No Longer Accurately P$125K
  • Federal grantNASA · Phase I · Advanced Aerodynamic Analysis For Propulsion Airframe Integration$123K

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 18 peers

Line = median

Aerospace · Instrument

  • Federal grantsBelow median

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 · Aerospace

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 .