24387 Airport Road Coshocton, OH  43812        Phone 740-622-6848   Fax 740-622-8277  

Josh and Kristi Adelsberger

Josh was born in Ohio but, because his father was in the military, he grew up traveling the world. He has always been interested in mechanical things and in high school learned God needed mechanically skilled people in missionary work. Josh says, “I went to college for missions, met a mission minded nursing student, married and 10 years later through many ups and downs we arrived at MMS in May of 2005 with 3 kids in tow.”

At MMS, Josh is an Aircraft Maintenance Supervisor. He oversees a variety of maintenance events, but much of the time Josh manages the engine shop. He obtained an FAA A&P mechanic certificate in 1996, and holds an Inspection Authorization.

Dale and Deborah Coates

Dale and Deborah are from Zimbabwe. Shortly after his schooling, Dale obtained his commercial pilot’s license. His experience and that of others showed him the value of being a mechanic as well as a pilot. Mike Dunkley, then a mechanic with Mission Aviation Fellowship (MAF) introduced Dale to missionary aviation. An MAF pilot/mechanic in Zimbabwe told Dale about maintenance training at MMS Aviation. The Coates came to MMS for training and, when that was completed, joined the MMS Staff.

At MMS, Dale is the Chief Inspector. He obtained an FAA A&P mechanic certificate in 1996, and holds an Inspection Authorization.

Keith and Karen Dodson

Keith was born and raised in California. Karen was born and raised in Pennsylvania. The Lord brought them together in ministry and marriage through mutual acquaintance with an apprentice family at MMS Aviation. Keith & Karen have a passion for sending "workers into his fields" and do so through providing administrative support and partnership services to those preparing for, and continuing in, faith-supported ministry. They train mission personnel to develop, maintain, and nurture the personal and financial relationships necessary to not only start field service, but to also stay in field service. With more than 20 years experience in candidate development and partnership services, Keith and Karen are, in many respects the first contact for those inquiring about service with MMS Aviation. Keith enjoys reading, writing, photography, and shooting. Karen enjoys crafting, sewing, baking, and shooting (though not necessarily in that order). Keith and Karen have previously served with MMS Aviation and have four years of mission service with MissionGO. They remember when the MMS parking lot was dirt. 

Mike and Isobel Dunkley

Mike was born in England and grew up in Zimbabwe. Isobel was born and raised in Zimbabwe. Mike did a five year aviation maintenance apprenticeship with the national air carrier and worked for the airline before he and Isobel joined Mission Aviation Fellowship (MAF) in 1985. After 10 years of service in four different MAF programs in Africa, Mike became a maintenance instructor at Moody Aviation in Tennessee. Mike and Isobel joined the MMS Aviation Staff in 2005.

At MMS, Mike is an Aircraft Maintenance Supervisor. His work with Air Zimbabwe and MAF provides a wealth of turbine aircraft engine experience. Mike is highly experienced in avionics installation. He obtained an FAA A&P mechanic certificate in 1986, and holds an Inspection Authorization.

Chuck and Cathy Egbert

Chuck is from north-west Pennsylvania and had an interest in flying from an early age. He enrolled in the flight program at Kent State University. At Kent State he met Cathy and their interest in missionary service grew. Chuck began his apprenticeship at MMS March of 1996. After completion the Egberts served with a ministry in Alaska for a year. In 2001 they moved to South Africa to serve with Mercy Air. Non-renewal of their Visas by South Africa forced them to leave that work. Chuck and Cathy then joined the MMS Staff.

At MMS, Chuck is an Aircraft Maintenance Supervisor. Chuck is highly experienced in airframe restoration. He obtained an FAA A&P mechanic certificate in 1998, and holds an Inspection Authorization.

Glen and Kris Evert

Glen is from Wisconsin and Kris is an Ohio girl. For a number of years the Everts had a plumbing business in northeastern Ohio; however, both felt a tug toward missionary service. In pursuit of missionary aviation, Glen was accepted at a prestigious aircraft maintenance school near Pittsburgh. Circumstances kept him from attending, but soon afterwards Glen and Kris learned of MMS Aviation. Glen completed MMS’ maintenance apprenticeship in December 2016, after which he and Kris became MMS Staff members. Kris works in the bookkeeping department.

At MMS, Glen is an Aircraft Maintenance Supervisor. He obtained an FAA A&P mechanic certificate in 2016.

Jenny Haver

Jenny grew up in a Christian family in northeast Ohio, and was homeschooled along with two younger brothers. After graduating from the University of Akron in 2011, she worked as a mechanical engineer for three years before coming to MMS. Since her teen years, Jenny had a growing interest in missions. In college she looked into what role she might have and discovered the great need for mechanics in missionary aviation. Jenny says, “I became excited at the possibility of serving in this technical, hands-on, background sort of way!”

At MMS, Jenny is a aircraft maintenance supervisor. Her engineering background is an asset that adds value to her service.

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Dwight and Rena Jarboe

Dwight grew up on a family farm in central Kentucky. He joined Wycliffe Bible Translators in 1972 to be an aircraft mechanic with JAARS, Wycliffe’s technical support arm. Rena was born to missionary parents in India. They met while Dwight served with JAARS in North Carolina and together they were with the JAARS’ DC-3 program in Bolivia. The Jarboes joined MMS Aviation’s staff in 1982. Dwight was CEO from December 1983 through October 2016.

At MMS, Dwight is President Emeritus and aircraft mechanic. He obtained an FAA A&P mechanic certificate in July 1968, has held an Inspection Authorization since 1982, and in 1991 became an FAA Designated Mechanic Examiner.

Chris and Angie Jutte

Chris grew up on a farm in western Ohio and enjoyed the mechanical work that went along with farming.  After high school, he went to technical school and began working as an auto mechanic.  When Chris and Angie accepted Christ as their Savior in 1987, the Lord began to direct heir hearts to missionary service.  On a short-term mission trip, Chris discovered the use of airplanes in missionary work.  The Jutte family served in southeast Asia for 18 years and in 2018 returned to service with MMS.

At MMS,Chris is an Aircraft Maintenance Supervisor.  He obtained his A&P license as an apprentice at MMS in 1998.

Phil and Elizabeth Maddux

Phil is from Kansas. After graduating from Ozark Christian College, he began ministry as a Youth Minister. When exploring options of how to be involved in missions, he found there was a great need for pilots and mechanics in missionary aviation. He, Elizabeth and their children moved to Ohio in 2005 and Phil began his apprenticeship. After finishing the MMS program, Phil and his family served in Africa for 3 ½ years. As that assignment ended, MMS invited Phil back to join its staff in 2011. The MMS Board of Directors chose Phil to be MMS’ third President & CEO. He took office October 28, 2016. He obtained an FAA A&P mechanic certificate in 2007, and holds an MBA from Mount Vernon Nazarene University.

Terry and Laurie McClary

Terry is from southwestern Ohio. He retired at the end of 2009 from GE Aircraft Engine, Cincinnati, Ohio. During his time with GE, Terry and his wife Laurie, who is a Registered Nurse, participated in short term medical missions to Mexico, Guatemala, and Honduras. These trips brought them to sense a call to full time Christian service. Terry’s aviation background made missionary aviation a logical focus and the McClarys joined the MMS staff in March of 2010. Laurie, along with Mary Newman, ministers to apprentice wives, helping them adjust to missionary life.

At MMS, Terry is an Aircraft Maintenance Supervisor. He obtained an FAA A&P mechanic certificate in 2004 , and holds an Inspection Authorization.

Jim and Mary Newman

Jim is from northeastern Texas. Jim graduated from LeTourneau University with a degree in Mechanical Engineering Technology/Aviation Maintenance Technology. In 2000 he and his wife, Mary, joined World Gospel Mission to work with their aviation ministry in Bolivia. They were in Bolivia until 2009, at which time they were loaned to MMS Aviation. Jim says, “What attracted me to MMS was the quality of aircraft and mechanics they were preparing for the mission field.” Mary, along with Laurie McClary, ministers to apprentice wives.

At MMS, Jim is the Production Manager. He controls the flow of aircraft maintenance through MMS. He obtained an FAA A&P mechanic certificate in 1994.

Tim and Michele Obarow

The Obarows were active in their local church while living and working in the Reading, Pennsylvania area. In 1999 they responded to the Lord’s call to serve in missionary aviation. After acceptance into the apprenticeship at MMS and enlisting their support team, they began serving at MMS in August of 2001. Tim was no stranger to aviation maintenance as he’d been an aircraft mechanic in the US Air Force during his military service.

At MMS, Tim is the Director of Maintenance and Accountable Manager of MMS’ FAA Certified Repair Station. He obtained an FAA A&P mechanic certificate in 2003, and holds an Inspection Authorization.

Dennis and Mary Satterthwaite

Mary grew up in southeastern Ohio. Through a missionary speaker at her church, God began giving Mary, at age 13, a heart for missions. In college she pursued a degree in Business Administration and Accounting. Between semesters, Mary ministered on Native American reservations the south-western US, seeing a need for business majors in missions. Later, she married Dennis and they faithfully assisted with various ministries of their local church. In 1986 they talked about being involved in full time ministry. Later that year, through hearing an MMS staff couple at their church, God’s leading became clear. In 1987 Dennis and Mary began service at MMS.

At MMS, Mary is the Chief Financial Officer. She has also served as an office administrator.

Bob and Lisa Schwartz

Bob is from Minnesota and Lisa is from Texas. After college, Bob served in Alaska with SEND International (now SEND North). Lisa, a Medical Technologist, also went to Alaska to work in the medical clinic started by SEND. That’s where they met and continued to serve together after their marriage. One of Bob’s roles was as a pilot. When health concerns necessitated them leaving Alaska, they transitioned to MMS Aviation. After Bob’s completion of the maintenance apprenticeship, the Schwartzes joined the MMS staff.

At MMS, Bob is the Director of Training. Bob and Lisa’s passion is to prepare people to not just survive, but thrive in their missionary service. Bob obtained an FAA mechanic certificate in 2006.

Dave and Sherry Shelly

David was born in Venezuela to missionary parents. During his childhood the family moved to southeastern Pennsylvania where his father pastored a church. David says, “My story is a story of a mediocre Christian life with a heavy bent on the ‘American Dream.’” However, God changed that. After 20 years of industrial work that included product production, facility maintenance, and safety services, David and Sherry were ready to accept staff positions at MMS Aviation.

At MMS, David is the Facility Maintenance Manager and Safety Officer. Sherry works in the finance department. They have been on MMS staff since 2005.