ArduCopter

Copter 4.5 Category for discussion of issues and enhancements related to Copter-4.5 Copter 4.4 Category for discussion of issues and enhancements related to Copter-4.4. SkyViper This is a place to discuss the SkyViper GPS drone. Please use this only for things that are specific to the SkyViper. Single/Coax This category is for support discussion on the Single Copter and Coax Copter frame types. Copter 4.7 For discussion of Copter-4.7 related issues and enhancements Copter Simulation Discussions area for Software In the Loop (SITL) Simulation related to copter Copter 4.6 For discussion of issues and enhancements related to Copter-4.6 release Traditional Helicopter

Topic	Replies	Views	Activity
About the ArduCopter category ArduCopter	0	3223	September 18, 2013
Read first: How to use this forum ArduCopter	0	6058	September 18, 2013
Unstable Tarot X6 Copter 4.7	36	749	October 9, 2026
Copter-4.7.1 released! Copter 4.7 stable-release	40	2391	October 8, 2026
High Altitude Copter for Mountain Flying, Design, Construction, and Setup Copter 4.6	14	565	October 6, 2026
Slight shake of drone Copter 4.6	10	290	October 6, 2026
EKF3 AID_NONE can reset Z from Baro despite valid RangeFinder height source, causing vertical runaway Replay - A/B Copter 4.7	3	95	October 5, 2026
ArduCopter 4.7.1 – Barometer/EKF altitude corruption after hard descent causes 0–100% throttle commands in AltHold/Loiter Copter 4.7	13	491	October 5, 2026
Constant unhealthy battery warning Copter 4.7	18	604	October 5, 2026
EKF in-flight reset and bad initialization during compass-less operation Copter 4.5 ekf , ekf3 , bug , nocompass , debug	9	398	October 3, 2026
Pitch peaks in AUTO turns Copter 4.7	18	533	October 2, 2026
EKF3 vertical velocity/position runaway with BARO + no VELZ, while RangeFinder contains the position error Copter 4.7	19	358	October 2, 2026
ArduCopter 4.7.1 7 inch build does not sit put in the air even after auto tuning Copter 4.7	2	153	October 2, 2026
Crash during AutoTune - uncommanded pitch movement during roll tuning - ArduCopter 4.7.0-beta3 Copter 4.7	66	1945	October 2, 2026
Copter-4.7.2-beta1 released for beta testing! Copter 4.7 beta-release Copter-4.7.2-beta1 has been released for beta testing and can be downloaded using Mission Planner, QGC or directly downloaded from firmware.ardupilot.org. The list of changes vs 4.7.1 are in the ReleaseNotes and copied …	0	187	October 1, 2026
GPS Denied Autonomy using ROS2 Humble, MAVROS, NAV2, RTABMAP SLAM Copter 4.6	7	361	October 1, 2026
Uncommanded turn after lift off Traditional Helicopter	19	394	October 1, 2026
Hexacopter Crash, seeking for root cause Copter 4.7	11	391	September 30, 2026
Crash while taking off Copter 4.6	3	155	September 29, 2026
Optical flow + GPS in EK3 fusion Copter 4.7	1	146	September 28, 2026
Copter-4.7.1-beta1 released for beta testing! Copter 4.7 beta-release	11	632	September 28, 2026
PreArm: Gyros inconsistent Copter 4.5 cubeorange	5	175	September 28, 2026
Betaflight Community's 'WOW' moment for Arducopter! Copter 4.7 arducopter , pid-tuning	2	369	September 28, 2026
Toilet bowling when switch from optical flow to gps Copter 4.7	11	415	September 27, 2026
Drone took off by itself Copter 4.7	21	543	September 27, 2026
Copter speed not increasing in SITL Copter 4.7	5	154	September 26, 2026
Inflight optical flow calibration fail or pass Copter 4.6 arducopter , optical-flow , micoair	13	400	September 25, 2026
Coax-Copter with Gimbal controls for roll and Pitch Copter 4.7	4	200	September 25, 2026
Coaxial X8 on a rectangular (non-square) layout — motor mix, roll/pitch balance, and coax thrust loss? Copter 4.6	3	131	September 24, 2026
ELRS not triggering RC Failsafe until its too late Copter 4.6 elrs	10	277	September 24, 2026