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Vaughn Associates, Inc.

Industry

Aerospace & Defense

Qualification-grade shock, vibration, sensing and data acquisition for space, missile, aviation and defense programs.

Instrumentation for Aerospace & Defense

Aerospace and defense engineers need to prove that hardware survives the environments it will see, then measure how it performs once it is there. That calls for shock and vibration test equipment for qualification, rugged recorders and data acquisition systems for field and flight data, and precision sensors for displacement, force, pressure and temperature on test articles and fielded systems.

The stakes are schedule and mission success. Qualification to MIL-STD-810H, MIL-STD-883 or RTCA DO-160G drives program cost, and a sensor that drifts or a recorder that misses an event can invalidate a test run. Hardware also has to tolerate cryogenic propellants, engine heat, moisture and years of field service.

The aerospace and defense landscape in the Southeast

The Southeast holds a dense network of aerospace and defense test activity. Huntsville, Alabama, where Vaughn Associates is headquartered, is home to Redstone Arsenal and NASA’s Marshall Space Flight Center, along with the contractors and test labs that support missile, aviation and space programs.

Around the region:

  • Tennessee: the Arnold Engineering Development Complex runs wind tunnel and propulsion ground testing.
  • Mississippi: NASA’s Stennis Space Center tests rocket engines.
  • Florida: the Space Coast around Kennedy Space Center and Cape Canaveral supports launch operations.
  • Maryland: Naval Air Station Patuxent River anchors naval aviation test and evaluation.

Prime contractors, suppliers and university labs across the territory build and test everything from avionics boxes to rocket motors.

Solutions we provide

For environmental qualification, Emerson Apparatus builds pneumatic and free-fall shock machines, mechanical shakers, and magnesium head expanders and fixtures for electrodynamic shakers. See shock and vibration test equipment. To capture real environments, Instrumented Sensor Technology offers self-contained shock and vibration data recorders for transport, flight and handling studies.

On the production side, Euro-Tech supports gear and spline inspection and Marposs Tecna leak tests fluid and pneumatic components.

How Vaughn Associates supports aerospace and defense teams

Vaughn Associates is an independent manufacturer’s representative and MANA member. Our Huntsville-based sales engineers have engineering backgrounds in space, missile, aviation and test work, and we cover programs across the Southeast and Mid-Atlantic.

  • Application review: we help translate a test specification or drawing into the right machine, recorder, sensor range or channel count.
  • Quote coordination: we work with each manufacturer’s factory engineers on configuration, documentation and lead times. Customers typically purchase directly from the manufacturer.
  • Demos and evaluations: we arrange demonstrations, evaluations or rentals where the manufacturer supports them.
  • Follow-through: we stay involved after the order so questions reach the right factory contact quickly.

Tell us about your test program on the For Engineers page, or find the sales engineer for your state on our territories page.

Challenges we help solve

What aerospace & defense teams need from their instrumentation.

01

Environmental qualification to military and avionics standards

Hardware must survive the shock, vibration and acceleration environments defined in MIL-STD-810H, MIL-STD-883 and RTCA DO-160G. Test labs need machines, shakers and fixtures that reproduce those pulses and profiles repeatably.

02

Characterizing real transport and flight environments

Test levels are only as credible as the field data behind them. Engineers need rugged, self-contained recorders that capture shock and vibration during transport, launch, flight and handling of high-value hardware.

03

High-channel-count structural and dynamic testing

Structural tests, modal surveys and flight-test programs can require hundreds of synchronized strain, acceleration, force and temperature channels, often recorded in the field on battery or vehicle power.

04

Precision sensing in extreme environments

Actuator feedback, cryogenic propellant systems, engine test cells and bleed-air ducts demand displacement, pressure and temperature sensors that hold accuracy across wide temperature, pressure and vibration ranges.

05

Rugged operator controls for crewed and unmanned systems

Military ground vehicles, ground control stations and naval consoles need joysticks, grips and pedals that stay reliable through millions of cycles, moisture, dust and shock.

Manufacturers serving aerospace & defense

Formerly Vibration & Shock Technologies (VST)

Emerson Apparatus

Shock machines, mechanical shakers and package test systems built in Maine, carrying forward VST and M/RAD engineering.

  • Shock & Vibration Test Equipment

Instrumented Sensor Technology

Self-contained shock, vibration and motion data recorders for capturing real-world transport and field environments.

  • Shock & Vibration Data Recorders

Mars Labs

US-built Titan data acquisition systems for vehicle durability, NVH and rugged field testing.

  • Data Acquisition Systems
  • Noise & Vibration Analysis (NVH)

Prosig

DATS noise and vibration analysis software with portable data acquisition hardware, developed in the UK since 1977.

  • Noise & Vibration Analysis (NVH)
  • Data Acquisition Systems

RDP Electrosense

LVDTs, load cells, pressure transducers and signal conditioning from an independent displacement-sensing specialist founded in 1966.

  • LVDT & Displacement Sensors
  • Load Cells, Force & Torque Sensors
  • Pressure Transducers & Transmitters

SensorData Technologies

Custom strain-gage force, torque and multi-axis sensors, including true wireless rotary torque, engineered in Michigan since 1992.

  • Load Cells, Force & Torque Sensors

Spectre Corp

Ohio-built pressure transducers and transmitters, individually calibrated for stable accuracy in industrial and defense service.

  • Pressure Transducers & Transmitters

Formerly Ultra Electronics Nuclear Sensors & Process Instrumentation (NSPI)

Curtiss-Wright Round Rock

Aerospace RTDs, nuclear-qualified temperature and pressure instrumentation, and fiber-optic products engineered in Round Rock, Texas, since 1968.

  • Temperature Sensors & RTDs
  • Pressure Transducers & Transmitters

Bokam Engineering

Solid-state joysticks, pedals, yokes and sealed operator controls built for extreme environments and very long service life.

  • Joysticks, Grips & Human-Machine Interfaces

Euro-Tech Corporation

German-engineered hydraulic workholding, spline and gear gaging, and precision transducers with North American applications support.

  • Precision Gauging, Workholding & Gear Inspection

Tecna Marposs

Italian-built air leak and flow testers from the Marposs Group for medical, automotive and EV production lines.

  • Leak & Flow Testing Equipment

Infrared Heating Technologies

Custom infrared, convection and combination industrial ovens and furnaces, engineered and built in Oak Ridge, Tennessee.

  • Industrial Infrared Ovens & Furnaces

Formerly Porter Instrument (industrial flow and pressure products)

Parker Precision Fluidics

Miniature valves, pumps, pressure controllers and flow instruments for medical, diagnostic and analytical equipment OEMs.

  • Precision Fluidics & Mass Flow Control

FAQ

Aerospace & Defense: common questions

What instrumentation do aerospace and defense test labs typically need?

Most labs combine three layers: equipment that applies the environment, such as shock machines and shakers; sensors that measure the response, such as accelerometers, LVDTs, load cells and pressure transducers; and data acquisition that records it. Field recorders add measured transport and flight data that justify test levels. Vaughn Associates helps engineers match lines such as Emerson Apparatus, IST, Mars Labs and RDP Electrosense to a program's specifications.

Which shock machine suits MIL-STD-883 high-g testing?

Pneumatic shock machines are the usual choice for very high-g, short-duration pulses. Emerson Apparatus lists its pneumatic machines at up to 30,000 g for MIL-STD-883 microelectronics testing, with half-sine, square-wave, trapezoidal and sawtooth pulses and payloads from 100 to 2,500 lb. Free-fall machines cover heavier, lower-g work. Confirm pulse shape, duration and payload with the factory before specifying.

How can field data be turned into a vibration test specification?

Mount a self-contained waveform recorder on the article during real transport or operation, then convert the recorded time histories into power spectral density profiles. IST's EDR-series recorders capture triaxial acceleration for days to months, and its DynaMax Suite software computes the PSDs that can drive a shaker controller. That grounds laboratory test levels in measured environments instead of generic envelopes.

Where can aerospace engineers in Huntsville and the Southeast get instrumentation support?

Vaughn Associates, Inc. is headquartered in Huntsville, Alabama, with a second office in Baton Rouge, Louisiana. Its sales engineers cover Alabama, Georgia, South Carolina, Tennessee, Arkansas, Mississippi, Louisiana, Florida, North Carolina, Virginia, Maryland and Washington, D.C. They review applications, coordinate quotes with manufacturers and arrange demonstrations where the factory supports them. Start at /for-engineers/ or find your rep at /territories/.

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Application Notes

Mechanical Shock Testing: Pulses, Machines & MIL-STD-810/883

Aerospace & Defense

Talk to a sales engineer who knows aerospace & defense.

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