2026-05-14 9 min read Commissioned for AOPA
EM Diagrams Aren't Just for Fighter Pilots Anymore
Energy Maneuverability diagrams — the lifeline of military fighter training for half a century — finally show up in general aviation. A walk through the DA20-C1 envelope, the base-to-final danger zone, and why the airplane's behavior is geometric, not magical.
Nicholas Len · Founder · CFI/CFII/MEI · former F/A-18 + RAF Typhoon pilot/instructor · A&P
energy managementmaneuveringstall awarenesspattern workinstruction
