Our Instructors

Welcome to HALLO (High Altitude Low Level Operating) Flight Training Center.  Our flight instructors listed below have the credentials to provide HALLO Flight Training students with the knowledge to safely negotiate the challenging environment of the rugged mountains and backcountry airstrips.


Bob Del Valle, SEL,SES,CFI,Commercial Pilot.  Bob has been a pilot with high altitude flight experience in the Rocky Mountain region for over 26 years.  He has been a member of the Civil Air Patrol as a Search and Rescue Mission Pilot since 1996. Bob’s passion for aviation and Bush flying is the reason he has introduced many pilots to the backcountry strips of Idaho and the bush strips of Alaska.  Bob makes his annual trip to his cabin on the Kenai Peninsula in Alaska. Since 2000, he’s had the privilege of spending every Summer flying to and all over Alaska for personal adventures in his own aircraft or flying Civil Air Patrol missions piloting float equipped DHC-2 De Havilland Beavers.

Don Heineman, SEL, SES,CFII,MEI,Commercial Pilot.  Don, one of our most experienced pilots has over 39 years as a flight instructor.  He spent the majority of his flying career navigating the high altitude corridors of the Rocky Mountains.  He too is a Civil Air Patrol Search and Rescue Mission pilot and Mountain Check Pilot with over 25 years in CAP.  He was a research pilot for Colorado State University, which included research flights in Alaska above the Arctic Circle and he flew medical flights in King Airs and photo missions in Lear Jets when he lived in Arizona.

Scott Middleton, SEL,CFI,Commercial Pilot.  Scott started his flying career in the Denver, Colorado area as a CFI working in an intense high volume training environment.  His instructor skills have successfully trained over 100 private pilots, where all the flight training was in the high altitude environment of Colorado.  In aviation, the term, “The Right Stuff” refers to courage, confidence, dependability.  This definition fits Scott very well.  On departure from an Idaho airstrip the aircraft he was instructing in had a partial engine failure.  He took over control and reconfigured the airplane, a C206 and just before a tree top landing, he was able to correct the problem and climbed to a safe altitude.  He then calmly reported on the radio that he was having a minor engine problem and thought it best to fly to Mc Call to have it checked out.  That’s the guy you want with you when Murphy shows up.

Jer Eberhard, SEL,SES,CFII,Commercial Pilot. Jer earned his pilot certificate in windy Cheyenne, Wyoming in 1975. Almost all of his 8000 hours (5000 hours instructing) has been in small aircraft in the mountains and the Rocky Mountain West, including Colorado, Idaho and Utah, flying his Cessna 206, Cessna 140, C182s, Cubs, Huskys, Pawnees and ASK-21 gliders. He too is a member of the Civil Air Patrol. He is a Search and Rescue Mission pilot with over 2500 hours flying low and slow in the mountains. Jer/ also teaches glider academy and mountain flying for the Civil Air Patrol. He instructs mountain flying for the Colorado Pilots Association and instructs in the Colorado, Idaho and Utah mountains and backcountry. He serves as an FAA Aviation Safety Team Member.

Tom Aex, SEL,SES,CFII,MEI,Commercial Pilot,ATP. Tom spent the majority of his flying career as a freight hauler and corporate pilot flying a variety of turboprop and turbojet aircraft.  He is presently flying a Super King Air 300 for medical flights.  His real love is flying the canyons and ridge tops in single engine aircraft.  Ask Tom about the summer he spent in Alaska flying a C206 with oversized tires landing on beaches in Hallo Bay of the Cook Inlet. He was a Part 135 pilot taking tourists on bear viewing flights.  Have you ever wondered what it is like to face a 1000 pound grizzly from 20 feet?  Tom knows!