Engineering Services for Electro-Optical & Infrared System Design & Test
Far Target Location
​System Design & Test
EO/IR System Design, Analysis & Modeling
Laser System
​Integration & Testing
AccNav Systems LLC was founded by Karletta & Chuck Pruszynski after Chuck's retirement in 2018 from Raytheon Missile Systems as a Senior Engineering Fellow, following a highly successful 40-year career in the US defense-aerospace industry.

An experienced and proven technical innovator in the area of ground and airborne electro-optical and infrared system development, Chuck brings a wealth of engineering experience and technical knowledge covering the entire system life cycle from initial concept development and performance analysis/modeling, through detailed design, testing and qualification, to initial and full rate production and field support.

Using Our Team's expertise, we can help you solve a wide range of engineering problems in the area of EO/IR/Laser system design, integration, test, qualification and production.  If you have a need for short or long-term engineering services in any of the areas delineated above, please contact us for additional information regarding our rates and services.
AccNav Systems LLC is a small business providing engineering consulting services in a wide range of infrared and electro-optical systems applications.  Our services include:

  • Far Target Location (FTL) System Engineering
  • EO/IR/Laser Systems Conceptual Design & System Architecture Development
  • Global Positioning System (GPS) & Navigation Systems Integration
  • Total System Performance Modeling & Optimization
  • EO/IR/Laser System Testing & Qualification
  • Radiometric Calibration & Analysis
  • Image & Signal Processing Algorithm Development
  • Custom Modeling & Test Software Development
  • Application of Statistical Methods To Engineering Decision-Making & System Modeling
  • Proposal Support
Fire Suppport Sensor System (FS3) variant of the LRAS3 directing fires for Palidin howitzers at the Bani Rabia range near Al-Kut, Iraq.  The FS3 incorporates an automatic "see spot" laser designator boresight system conceived and  developed by Chuck Pruszynski. (Photo Credit: Spc. Samuel Soza, 367th MPAD, USD-S PAO)
GPS & Navigation
​System Integration
Image & Signal Processing Algorithm Development