12/28/05 Field Definitions for 'aircraft_types' file. Field 1: Aircraft type name Field 2: S,L,H Small, Large, Heavy (ICAO L/LIGHT, M/MEDIUM, H/HEAVY) Field 3: M, - Military, Not military (civilian) Field 4: L, A, S, H Land, Amphibian, Seaplane, Helicopter Field 5: 0-9 Category - 0 - Unknown 1 - Single Piston Prop 2 - Multi Piston Prop 3 - Single Turbo Prop 4 - Multi Turbo Prop 5 - Civilian Jet 6 - Fighter Jet (military) 7 - Large Military Jet 8 - Special Turbo Jet 9 - Helicopter Field 6: 1-8 Number of engines Field 7: J, T, P Jet, Turboprop, Prop (Piston) Field 8: Climb rate Field 9: Descent rate Field 10: Model Field 11: Manufacturer Field 12: FAA comments