This document summarizes the qualifications and experience of Karl W. Dietrich as a mechanical engineer, including over 25 years of experience designing, analyzing, testing, and documenting military and commercial aircraft electronic products. He has extensive experience conducting stress analysis, finite element analysis, fatigue analysis, and other types of engineering analysis. His background includes positions with companies supporting military aircraft and systems.

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KARL W. DIETRICH
MECHANICAL ENGINEER
HIGHLIGHTS OF QUALIFICATIONS
 Twenty five years of successful cost effective engineering design, analysis, testing, manufacturing, system
development, and documentation of military and commercial aircraft electronic products.
 Overten years’ experience with thegeneration, review, and analysis of: engineering test procedures, test data,
test support equipment, product specifications and applicable military specifications, and qualification
reports, including qualification by similarity.
 Additional six years’ experience with the analysis of : external aerodynamic loads, internal structural loads,
fatigue, buckling, crack and fracture dynamics, fluid dynamics, corrosion root cause and prevention, material
selection (including composites, high strength steel and aluminum alloys, high strength fasteners, and
structural adhesives), heat transfer analysis, and calculation of mass, weight, and inertial properties.
EDUCATION
 Bachelor’s Degree in Mechanical Engineering, University of Arizona, June 1980
SPECIAL TRAINING
 Defense Acquisition University, completion of the following courses:
Systems 101, Feb. 2010, Systems 202, Feb. 2011, Acquisition 101, June 2010,
Acquisition 201A, Dec. 2010
WORK EXPERIENCE
Cherokee Nation Businesses, Security& Defense Division, Structural Engineer, April 2015 - Present
• Conducted Stress Analysis using hand calculations and NX NASTRAN/FEMAP for a DVR mounting tray assembly for
UH-N1 USAF helicopter, and completed an approved Stress Analysis Report for the USAF. Completed Preliminary Stress
Analysis for 8 G crash loads on HH-60G transport lugs
• Utilized Solidworks 2016 to create a mechanicaldesign solutions for modification of the HH-60G position light system.
Dynamic Aviation, direct position, Sr. Structural Engineer, Feb. 2012 – Aug. 2014
• Resolved critical interior and exterior structural King Air commercial aircraft modification and repair issues using through
generation of reports which included structural analysis, repair procedures , and drawings reviewed by FAA approved DERs
• Introduced unique solutions to damaged structures and modified structures to aircraft through In-Situ use of NASTRAN FEA
which took insufficiently robust structures to an approved FAA state. Also utilized NASTRAN FEA to determine buckling and
natural frequency modes.
• Provided structural design, review, and correction of analysis for structural validation of avionic system platforms, sensors and
antenna systems (CONUS & OCONUS)
DCS Corp., direct position, Digital Displays-Subject Matter Expert/ Sr. Mechanical Engineer
June 2007 – Dec. 2011
• Administered crucial recommendations for system design and integration, of digital displays, and communications systems, for
USCG HC-130H, and Navy C-130T aircraft through analysis of MIL-STD-810G, MIL-STD-704A, MIL-STD-1553B,
MIL-STD-464, MIL-STD-1472, MIL-L-87562, and customer ICD requirements.
• Produced both transportable and stationary rack mounted test equipment designs, drawings, and stress analysis for NAVAIR’s
Common Systems Integration Lab (CSIL) test equipment using SolidWorks, and CosmosWorks.
Astronautics Corp., temporary contract position, Sr. Mechanical Engineer, June 2007 – April 2008
• Created fixture designs for HALT and HASS Testing to determine hidden manufacturing flaws and improve product reliability
and made as required modifications to test equipment.
• Applied COSMOSWorks to determine structural integrity, natural frequency modes, and to determine flow rates and heat
transfer rates.
• Revealed potential safety load deficiencies by correcting stress analysis report for Brazilian C-130 communications platform.
BAE Systems, temporary contract position, Mechanical Project Engineer – Liaison July ‘06 – Sept. ’06
• Re-engineered and coordinated structural improvements for sheet metal shelves, instrument panels, supports, antenna
structures, and avionic racks, using SolidWorks & AutoCAD to meet ease of manufacture and safety structural load
requirements for a Boeing 737 aircraft serving as a testbed for F-35 electronic systems
• Derived solutions to signal and power wire harness routing problems through wing and fuselage sections of aircraft.

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WORK EXPERIENCE (CONTINUED)
Crane Aerospace & Electronics – Hydro-Aire Div., temporary contract position
Sr. Mechanical Engineer /Project Engineer, Nov. 2005 – June 2006
• Wrote Qualification Test Procedures to clarify test conditions, and wrote the Qualification Test Report and a Qualification by
Similarity Report for an ERJ/190 and JSF Brake Control Valve and Wheel Speed Transducer.
Aero Union, temporary contract position, Project Engineer Nov. 2004 – June 2005
• Incorporated weight reduction enhancements through successful structural redesign of Boeing C130 roll on auxiliary flat fuel
storage tank.
• Resolved various leak problems in hydraulic system caused by high vibration loads by creating improved structural supports
and flexible hydraulic couplings, using SolidWorks, Cosmos, AutoCAD, Mechanical Desktop, and PDM.
• Identified structural deficiencies by completing hand stress calculations to determine hydraulic loads.
• Solved inadequate tank fill rates by completing hydraulic analysis and mandating test procedure changes .
Palomar Products, direct position, Staff Mechanical Engineer, Nov. 2002 – Aug 2004
• Reviewed and prepared Environment Test Procedures and determined the most cost effective
modification of existing vibration and thermal test equipment. modeled and created drawings for test fixtures and multiunit
electrical test cabinets using SolidWorks 2004 and AutoCAD Mechanical Desktop.
• Configured chassis and test chamber for thermal test per Mil-STD-810, and collected data using Lab View.
Opvista Inc., direct position, Staff Mechanical Engineer, April 2001 - Oct. 2002
• Executed the structural analysis and mechanical design of long haul Telcordia Compliant optical telecommunications
equipment, using SolidWorks 2001. Responsibilities involved the selection of high speed, low impedance connectors, thermal
and stress analysis of electrical components, design of heat sinks, optical fiber routing trays; flex circuits, and instrument
panels.
Joor Mfg. Inc., direct position, Staff Engineer, Jan. 1998 - May 1999
• Generated cost estimates for materials and labor, using Corel Quarto Pro 7, and Excel. Calculated and validated by test
stresses and deflections for single wall and double wall low pressure vessels.
KT Aerofab Inc., temporary contract position, Mechanical Engineer, Dec. 1996 - April ‘1997
• Performed stress analysis to determine possible structural failure of tooling fixtures.
Vernitron Motion Controls Corp., direct position, Project Engineer / Manager, April 1991 - Nov. 1993
• Designed vibration and vacuum test equipment, including Nitrogen cooled heat sinks, a pneumatic preload device, gear
assemblies, and a test equipment for preloading a large 17 inch pitch diameter helical gear for classified satellite.
• Solved assembly problems of gear and motor assemblies by completing tolerance stack up studies and employing GD&T
dimensioning methods. Completed critical stress and thermal analysis for EMI filters, reviewed stress analysis reports,
and calculated component and assembly weights.
General Dynamics / Convair Corp., direct position, Mechanical Engineer, May1984 - Dec. 1990
• Calculated structural deflection and stresses, and designed aerodynamic structures, using sheet metal, bonded pre-
impregnated glass cloth lay-ups, Kevlar and graphite tape.
CLEARANCE LEVEL
• Secret Clearance (with approved COMSEC training)
SKILLS
• Microsoft Office
• SolidWorks
• COSMOSWorks, COSMOSFloWorks
• AutoCad, AutoCad Inventor
• PDM
• NASTRAN FEA,FEMAP
• Excel
• LabVIEW
• Visio