Spectrum Aeromed added three engineers. Jerick Hedges will be responsible for design, drafting and structural analysis of manufactured products, and will write the STC approval reports. Hedges was an intern at the company before his recent graduation from North Dakota State University (NDSU). Engineer Craig Hedstrom, also a 2014 NDSU grad with a B.S. in mechanical engineering, will be a mechanical engineering intern. Ryan Rensink has joined the company in the newly created position of quality engineer.