Thank you for your answers, unfortunately I'm not that good in changing the aircarft.cfg, I tried to change it the way you put in your post, but the aircaft started jumping like crazy These are the contact points in my cfg file, maybe you can tell me where is the mistake :[contact_points] //0 Class <0=none,1=wheel, 2=scrape, 3=float> //1 Longitudinal Position (feet) //2 Lateral Position (feet) //3 Vertical Position (feet) //4 Impact Damage Threshold (Feet Per Minute) //5 Brake Map (0=None, 1=Left, 2=Right) //6 Wheel Radius (feet) //7 Steer Angle (degrees) //8 Static Compression (feet) (0 if rigid) //9 Max/Static Compression Ratio //10 Damping Ratio (0=Undamped, 1=Critically Damped) //11 Extension Time (seconds) //12 Retraction Time (seconds) //13 Sound Type //14 Airspeed limit for retraction (KIAS) //15 Airspeed that gear gets damage at (KIAS)//// =====================================================================================================================================================// 3-point, non-actual footprint contact points//// Nose Gearpoint.0 = 1.000, 42.108, 0.000, -14.350, 2181.102, 0.000, 2.041, 60.200, 1.000, 2.400, 0.510, 7.000, 9.000, 0.000, 280.000, 300.000point.1 = 1.000, -7.000, -15.800, -15.050, 2574.803, 1.000, 2.047, -13.000, 1.500, 1.200, 0.650, 11.900, 11.900, 2.000, 280.000, 300.000point.2 = 1.000, -7.000, 15.800, -15.050, 2574.803, 2.000, 2.041, -13.000, 1.500, 1.200, 0.650, 13.100, 13.100, 3.000, 280.000, 300.000// Scrape Points// Fuselagepoint.3 = 2, 57.713, 0.000, 3.000, 787.400, 0, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 4, 0.000, 0.000 // Nosepoint.4 = 2, 50.000, 0.000, -2.000, 787.400, 0, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 4, 0.000, 0.000 // Fuselage bottom fwdpoint.5 = 2, 0.000, 0.000, -4.250, 787.400, 0, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 4, 0.000, 0.000 // Fuselage bottom centerpoint.6 = 2, -40.000, 0.000, -4.250, 787.400, 0, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 4, 0.000, 0.000 // Fuselage bottom aftpoint.7 = 2, 50.000, 0.000, 10.000, 787.400, 0, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 4, 0.000, 0.000 // Fuselage top fwdpoint.8 = 2, 0.000, 0.000, 12.250, 787.400, 0, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 4, 0.000, 0.000 // Fuselage top centerpoint.9 = 2, -50.000, 0.000, 12.250, 787.400, 0, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 4, 0.000, 0.000 // Fuselage top aftpoint.10= 2, 40.000, -6.000, 3.000, 787.400, 0, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 4, 0.000, 0.000 // Fuselage width fwd ltpoint.11= 2, 40.000, 6.000, 3.000, 787.400, 0, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 4, 0.000, 0.000 // Fuselage width fwd rtpoint.12= 2, 0.000, -9.250, 3.000, 787.400, 0, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 4, 0.000, 0.000 // Fuselage width center ltpoint.13= 2, 0.000, 9.250, 3.000, 787.400, 0, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 4, 0.000, 0.000 // Fuselage width center rtpoint.14= 2, -40.000, -9.250, 3.000, 787.400, 0, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 4, 0.000, 0.000 // Fuselage width aft leftpoint.15= 2, -40.000, 9.250, 3.000, 787.400, 0, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 4, 0.000, 0.000 // Fuselage width aft rightpoint.16= 2, -53.000, 0.000, 3.000, 787.400, 0, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 4, 0.000, 0.000 // Tailskid aftpoint.17= 2, -87.000, 0.000, 14.000, 787.400, 0, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 4, 0.000, 0.000 // Tail-APU// Tailplane, vert/horiz stabspoint.18= 2, - .000, 0.000, 41.000, 787.400, 0, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 7, 0.000, 0.000 // Vertical stab fwdpoint.19= 2, -90.000, 0.000, 41.000, 787.400, 0, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 7, 0.000, 0.000 // Vertical stab aftpoint.20= 2, -90.000, -27.790, 11.500, 787.400, 0, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 5, 0.000, 0.000 // Horizontal Stab aft ltpoint.21= 2, -90.000, 27.790, 11.500, 787.400, 0, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 6, 0.000, 0.000 // Horizontal Stab aft rt// Wingspoint.22= 2, -27.000, -72.000, 7.000, 787.400, 0, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 5, 0.000, 0.000 // Left wingtip fwdpoint.23= 2, -33.000, -72.000, 7.000, 787.400, 0, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 5, 0.000, 0.000 // Left wingtip aftpoint.24= 2, -27.000, 72.000, 7.000, 787.400, 0, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 6, 0.000, 0.000 // Right wingtip fwdpoint.25= 2, -33.000, 72.000, 7.000, 787.400, 0, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 6, 0.000, 0.000 // Right wingtip aftpoint.26= 2, -10.000, -40.000, 5.000, 787.400, 0, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 5, 0.000, 0.000 // Left wing-mid fwdpoint.27= 2, -26.000, -40.000, 5.000, 787.400, 0, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 5, 0.000, 0.000 // Left wing-mid aftpoint.28= 2, -10.000, 40.000, 5.000, 787.400, 0, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 6, 0.000, 0.000 // Right wing-mid fwdpoint.29= 2, -26.000, 40.000, 5.000, 787.400, 0, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 6, 0.000, 0.000 // Right wing-mid aft// Enginespoint.30= 2, 10.000, -26.060, 0.000, 787.400, 0, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 8, 0.000, 0.000 // Left engine fwdpoint.31= 2, 10.000, 26.060, 0.000, 787.400, 0, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 8, 0.000, 0.000 // Right engine fwdpoint.32= 2, 10.000, -26.060, -9.720, 787.400, 0, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 8, 0.000, 0.000 // Left engine bottompoint.33= 2, 10.000, 26.060, -9.720, 787.400, 0, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 8, 0.000, 0.000 // Right engine bottompoint.34= 5, 0.000, 0.000, 0.000, 3000.000, 0, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0.000, 0, 0.000, 0.000 //max_number_of_points = 37static_pitch= -0.500static_cg_height= 18.000gear_system_type=0What does [forcefeedback] stand for ?