# v1.13 **URL:** https://discuss.px4.io/c/flight-testing/v1-13/62.md [Latest](https://discuss.px4.io/latest.md) · [Categories](https://discuss.px4.io/categories.md) --- ## [About the v1.13 category](https://discuss.px4.io/t/about-the-v1-13-category/33067)
**Author:** [@junwoo0914](https://discuss.px4.io/u/junwoo0914)\ **Replies:** 0
--- ## [Holybro X650 - Motor1 (front-right) stalled at take-off](https://discuss.px4.io/t/holybro-x650-motor1-front-right-stalled-at-take-off/49260)
**Author:** [@Jun\_Hong\_LEE](https://discuss.px4.io/u/Jun_Hong_LEE)\ **Replies:** 2\ **Last updated:** [July 30, 2026, 6:53am UTC](https://discuss.px4.io/t/holybro-x650-motor1-front-right-stalled-at-take-off/49260 "2026-07-30T06:53:23Z")
Holybro X650 PX4\_V6X FW: V1.13Dev Flight Log Review: https://review.px4.io/plot\_app?log=4ddff6f2-be48-485a-bcaa-a435a718ab2f That cause the drone to tilt at take-off --- ## [Hexacopter sudden crash](https://discuss.px4.io/t/hexacopter-sudden-crash/48795)
**Author:** [@Raphael\_PARK](https://discuss.px4.io/u/Raphael_PARK)\ **Replies:** 4\ **Last updated:** [April 14, 2026, 3:12pm UTC](https://discuss.px4.io/t/hexacopter-sudden-crash/48795 "2026-04-14T15:12:07Z")
Hi All, We have hexacopter for testing and we made a flight in Position mode. But about after 4 minutes, the hexacopter descent and crashed. We tried to power up and make stabilize with RC transmitter but, it has not w… --- ## [V1.13 denies change to position mode without any apparent reason](https://discuss.px4.io/t/v1-13-denies-change-to-position-mode-without-any-apparent-reason/48563)
**Author:** [@nclib](https://discuss.px4.io/u/nclib)\ **Replies:** 2\ **Last updated:** [March 1, 2026, 8:55am UTC](https://discuss.px4.io/t/v1-13-denies-change-to-position-mode-without-any-apparent-reason/48563 "2026-03-01T08:55:24Z")
Hello everyone, As the title says, my drone is using v1.13 and it will reject the transition to position mode without any apparent reason. I checked the log file, and it shows both global\_position\_valid and local\_positi… --- ## [High vibration in Cube Orange+](https://discuss.px4.io/t/high-vibration-in-cube-orange/32194)
**Author:** [@mwshafer](https://discuss.px4.io/u/mwshafer)\ **Replies:** 112\ **Last updated:** [May 10, 2025, 9:53pm UTC](https://discuss.px4.io/t/high-vibration-in-cube-orange/32194 "2025-05-10T21:53:23Z")
I just got an X4 from UAV Systems International. It came with arudcopter loaded on a Cube Orange+, but i switched over to PX4 and did a few test flights. The Cube Orange+ is hard mounted, but I though that was okay for … --- ## [ETH not working on 1.13](https://discuss.px4.io/t/eth-not-working-on-1-13/42511)
**Author:** [@pps90](https://discuss.px4.io/u/pps90)\ **Replies:** 1\ **Last updated:** [November 26, 2024, 11:40pm UTC](https://discuss.px4.io/t/eth-not-working-on-1-13/42511 "2024-11-26T23:40:57Z")
I am currently developing a new vehicle based on 1.13, but I found that Ethernet is not working.Pixhawk 6X can start netman,but I can’t connect to the PX4 through “ping”, there is no reply. I use the same firmware on V… --- ## [Vehicle disarm in air](https://discuss.px4.io/t/vehicle-disarm-in-air/42417)
**Author:** [@pacak](https://discuss.px4.io/u/pacak)\ **Replies:** 6\ **Last updated:** [November 21, 2024, 7:25am UTC](https://discuss.px4.io/t/vehicle-disarm-in-air/42417 "2024-11-21T07:25:04Z")
Hi, I had a weird situation where the vehicle disarmed mid air. Looking at the log, there is a kill switch signal, but the pilot didn’t do it. I’d be sure it was faulty signal from the receiver, but in input\_rc.values… --- ## [Mysterious behavior of TECS](https://discuss.px4.io/t/mysterious-behavior-of-tecs/35700)
**Author:** [@Shashank\_H\_Ramesh](https://discuss.px4.io/u/Shashank_H_Ramesh)\ **Replies:** 0\ **Last updated:** [December 7, 2023, 8:24am UTC](https://discuss.px4.io/t/mysterious-behavior-of-tecs/35700 "2023-12-07T08:24:01Z")
Hello all, I recently flew a powered-sailplane with PX4 V1.13.3 and made the following observations: The aircraft was flown in mission flight mode in rectangular circuits in moderate winds (4-5 m/s). The control laws … --- ## [Changing to position mode from mission Mode - Pitch Angle went way high!](https://discuss.px4.io/t/changing-to-position-mode-from-mission-mode-pitch-angle-went-way-high/36634)
**Author:** [@sibujacob](https://discuss.px4.io/u/sibujacob)\ **Replies:** 0\ **Last updated:** [February 4, 2024, 2:03pm UTC](https://discuss.px4.io/t/changing-to-position-mode-from-mission-mode-pitch-angle-went-way-high/36634 "2024-02-04T14:03:10Z")
Hi, Would like to know if it is OK while flying in mission mode, i slightly touched the joystick to bring the quadcopter back by RTL. However on log analysis, i noted that the pitch angle went way too high while the d… --- ## [Interesting results while adjusting sens\_en\_baro for a closer GPS altitude graph](https://discuss.px4.io/t/interesting-results-while-adjusting-sens-en-baro-for-a-closer-gps-altitude-graph/36387)
**Author:** [@sibujacob](https://discuss.px4.io/u/sibujacob)\ **Replies:** 0\ **Last updated:** [January 21, 2024, 9:27am UTC](https://discuss.px4.io/t/interesting-results-while-adjusting-sens-en-baro-for-a-closer-gps-altitude-graph/36387 "2024-01-21T09:27:37Z")
Hi , Today i did three flights simultaneously adjusting the barometer 1015 , 1012 & again 1012 to ensure the barometer line stays as close as possible to the GPS line graph . Each time , I took off from ground in Pos… --- ## [Fixed Wing Sudden Nosedive in Stabilize Mode](https://discuss.px4.io/t/fixed-wing-sudden-nosedive-in-stabilize-mode/35237)
**Author:** [@Moe](https://discuss.px4.io/u/Moe)\ **Replies:** 1\ **Last updated:** [January 11, 2024, 6:41am UTC](https://discuss.px4.io/t/fixed-wing-sudden-nosedive-in-stabilize-mode/35237 "2024-01-11T06:41:55Z")
I need help figuring out what went wrong in stabilized flight: This plane was flying relieably in Stabilize mode, but after flying straight and level at full throttle for a few seconds it suddenly pitches down and nosed… --- ## [Flight Review file corrupt Flight core V2](https://discuss.px4.io/t/flight-review-file-corrupt-flight-core-v2/33516)
**Author:** [@AWilkins\_Ascend](https://discuss.px4.io/u/AWilkins_Ascend)\ **Replies:** 11\ **Last updated:** [November 3, 2023, 7:41pm UTC](https://discuss.px4.io/t/flight-review-file-corrupt-flight-core-v2/33516 "2023-11-03T19:41:11Z")
Not sure if this is the correct section to post this, but on the ModalAI flight core V2 we are getting the following logging issue PX4 firmware: 1.13.3 we have tried 2 sd cards have tried reformatting not seeing th… --- ## [Fault injection takes a long time](https://discuss.px4.io/t/fault-injection-takes-a-long-time/34413)
**Author:** [@warrior4just](https://discuss.px4.io/u/warrior4just)\ **Replies:** 5\ **Last updated:** [October 6, 2023, 3:33am UTC](https://discuss.px4.io/t/fault-injection-takes-a-long-time/34413 "2023-10-06T03:33:46Z")
Background: I am running px4 in a docker container and a mission SW in another container. The containers are running in WSL2 in a windows host machine. I have a mvsdk python application that runs in WSL2 which triggers… --- ## [X500 Uncontrolled Yaw On Maiden Flight](https://discuss.px4.io/t/x500-uncontrolled-yaw-on-maiden-flight/33831)
**Author:** [@jeffmajeff](https://discuss.px4.io/u/jeffmajeff)\ **Replies:** 3\ **Last updated:** [September 18, 2023, 9:23am UTC](https://discuss.px4.io/t/x500-uncontrolled-yaw-on-maiden-flight/33831 "2023-09-18T09:23:24Z")
\-Holybro X500 Airframe -Pixhawk 6C Flight Controller with Pix4 v 1.13.3 -M8N GPS -MAVProxy bridge running on Raspberry Pi -GCS running QGroundControl Log: https://review.px4.io/plot\_app?log=fe7cf005-88a5-49b1-98bc-d… --- ## [Px4 rejects Vio feedback with jammed gps](https://discuss.px4.io/t/px4-rejects-vio-feedback-with-jammed-gps/34165)
**Author:** [@iemirosman](https://discuss.px4.io/u/iemirosman)\ **Replies:** 0\ **Last updated:** [September 6, 2023, 8:51am UTC](https://discuss.px4.io/t/px4-rejects-vio-feedback-with-jammed-gps/34165 "2023-09-06T08:51:29Z")
We want to use EKF2\_AID\_MASK = 9 (GPS+VIO). There is no problem when we use VIO only (with EKF2\_AID\_MASK = 8 and no GPS feedback present), but when we set EKF2\_AID\_MASK to 9 and when we stop the GPS in simulation the dro… --- ## [Pitch Anglular rate ( setpoint vs estimated )](https://discuss.px4.io/t/pitch-anglular-rate-setpoint-vs-estimated/34001)
**Author:** [@sibujacob](https://discuss.px4.io/u/sibujacob)\ **Replies:** 0\ **Last updated:** [August 29, 2023, 6:14am UTC](https://discuss.px4.io/t/pitch-anglular-rate-setpoint-vs-estimated/34001 "2023-08-29T06:14:13Z")
Hi, Can anyone provide an idea from the below logs why the quadcopter moved to a very higher estimated pitch angular rate of ~90 degrees when the pitch setpoint was only 50 degrees per second ( log time ~ 8:20 ) htt… --- ## [Quadcopter spin yaw direction](https://discuss.px4.io/t/quadcopter-spin-yaw-direction/33790)
**Author:** [@wook9648](https://discuss.px4.io/u/wook9648)\ **Replies:** 4\ **Last updated:** [August 21, 2023, 1:17pm UTC](https://discuss.px4.io/t/quadcopter-spin-yaw-direction/33790 "2023-08-21T13:17:38Z")
I have a question because the quadcopter is moving strangely. I’m using CubeOrang and here3 GPS. When flying after completing all the calibrations, the quadcopter was rotated in the yaw direction in stabilized mode. The … --- ## [Problem in position control mode of indoor flight with Vicon-MAVROS system](https://discuss.px4.io/t/problem-in-position-control-mode-of-indoor-flight-with-vicon-mavros-system/33707)
**Author:** [@ZifeiJiang](https://discuss.px4.io/u/ZifeiJiang)\ **Replies:** 0\ **Last updated:** [August 8, 2023, 5:45pm UTC](https://discuss.px4.io/t/problem-in-position-control-mode-of-indoor-flight-with-vicon-mavros-system/33707 "2023-08-08T17:45:08Z")
Help is needed here: https://github.com/PX4/PX4-Autopilot/issues/21939. Thank you! The problem is shown in the video that when I switch to position mode, the autopilot will give error and auto disarm. I can get stable t… --- ## [Crash Log Analyze (Heavy Drone)](https://discuss.px4.io/t/crash-log-analyze-heavy-drone/29976)
**Author:** [@alireza\_ghaderi](https://discuss.px4.io/u/alireza_ghaderi)\ **Replies:** 12\ **Last updated:** [July 18, 2023, 9:24am UTC](https://discuss.px4.io/t/crash-log-analyze-heavy-drone/29976 "2023-07-18T09:24:36Z")
Hi I just had the first flight of my heavy drone and it didn’t end well. It is a heavy X8 drone with 8 U10 II and 30-10.5 prop with pixhawk cube orange before this, I had flown this drone with Ardupilot (It was OK). a… --- ## [Accel 1 Clipping with PX4, no problems with Arducopter](https://discuss.px4.io/t/accel-1-clipping-with-px4-no-problems-with-arducopter/32247)
**Author:** [@peterscache12](https://discuss.px4.io/u/peterscache12)\ **Replies:** 5\ **Last updated:** [July 13, 2023, 2:03am UTC](https://discuss.px4.io/t/accel-1-clipping-with-px4-no-problems-with-arducopter/32247 "2023-07-13T02:03:18Z")
Hello all, I have a hexacopter on a custom built CF frame. It uses a Pixhawk 6c, and 13x4.5 plastic propellers. I have been experiencing problems with clipping lately. Most of the time I don’t get an error message until… --- ## [Beginner Question - Log Analysis - Unstable Quad at Takeoff](https://discuss.px4.io/t/beginner-question-log-analysis-unstable-quad-at-takeoff/32226)
**Author:** [@Peter\_Freedman](https://discuss.px4.io/u/Peter_Freedman)\ **Replies:** 8\ **Last updated:** [July 4, 2023, 10:37pm UTC](https://discuss.px4.io/t/beginner-question-log-analysis-unstable-quad-at-takeoff/32226 "2023-07-04T22:37:15Z")
Hello, I am new to drones - have set up an Arris 900 M with Cuav V5+ running PX4 using Qgroundcontrol. I have gone through all the calibration with the sensors and believe that its configured well. On take off about 3’ … --- ## [Is this safe to fly?](https://discuss.px4.io/t/is-this-safe-to-fly/32831)
**Author:** [@alkobra1394](https://discuss.px4.io/u/alkobra1394)\ **Replies:** 1\ **Last updated:** [July 4, 2023, 10:32pm UTC](https://discuss.px4.io/t/is-this-safe-to-fly/32831 "2023-07-04T22:32:52Z")
https://logs.px4.io/plot\_app?log=b033fe5d-1c72-4a7a-a37f-593b1b15e2ab --- ## [Sudden thrust at 100% and altitude gain in position hold mode](https://discuss.px4.io/t/sudden-thrust-at-100-and-altitude-gain-in-position-hold-mode/33034)
**Author:** [@riccardo-enr](https://discuss.px4.io/u/riccardo-enr)\ **Replies:** 0\ **Last updated:** [July 3, 2023, 7:53am UTC](https://discuss.px4.io/t/sudden-thrust-at-100-and-altitude-gain-in-position-hold-mode/33034 "2023-07-03T07:53:34Z")
Hello everybody, I apologize in advance, this is the first time analyzing the log data and maybe I missed something obvious. I had a problem with my last flight. The drone showed a sudden thrust to 100% even if it wasn… --- ## [Timesync in MicroDDS](https://discuss.px4.io/t/timesync-in-microdds/30848)
**Author:** [@Julia\_Nitsch](https://discuss.px4.io/u/Julia_Nitsch)\ **Replies:** 12\ **Last updated:** [June 30, 2023, 8:11pm UTC](https://discuss.px4.io/t/timesync-in-microdds/30848 "2023-06-30T20:11:19Z")
Dear all, I am trying to switch the flight controller ↔ companion computer communication from RTPS to microDDS with the latest release of PX4 1.13.2. I compiled the px4\_fmu-v5\_rtps target for the flight controller and s… --- ## [Unable to perform stable flight with indoor drone (without GPS)](https://discuss.px4.io/t/unable-to-perform-stable-flight-with-indoor-drone-without-gps/31966)
**Author:** [@MuhammadBilal1](https://discuss.px4.io/u/MuhammadBilal1)\ **Replies:** 7\ **Last updated:** [April 29, 2023, 10:28pm UTC](https://discuss.px4.io/t/unable-to-perform-stable-flight-with-indoor-drone-without-gps/31966 "2023-04-29T22:28:54Z")
Hi, I am making this drone for indoor use (without GPS) and I got a positioning camera. I am trying to the PID Tuning manually, but still unable to perform that also. Any help will be appreciated. Problem: Upon taki… --- ## [VTOL Crash; possible bad vibrations](https://discuss.px4.io/t/vtol-crash-possible-bad-vibrations/31144)
**Author:** [@pacak](https://discuss.px4.io/u/pacak)\ **Replies:** 5\ **Last updated:** [March 9, 2023, 9:05pm UTC](https://discuss.px4.io/t/vtol-crash-possible-bad-vibrations/31144 "2023-03-09T21:05:20Z")
Hi, Had a crash last week and would appreciate some input. The firmware is almost stock, and previous flights were more successful, so I doubt it’s because of it. What I noticed in this flight is higher vibrations tha… --- ## [Random YAW issues on flight](https://discuss.px4.io/t/random-yaw-issues-on-flight/30911)
**Author:** [@jpkh](https://discuss.px4.io/u/jpkh)\ **Replies:** 2\ **Last updated:** [February 21, 2023, 2:04pm UTC](https://discuss.px4.io/t/random-yaw-issues-on-flight/30911 "2023-02-21T14:04:23Z")
We are working on Y6 hexa copter setup and it is always better to have more eyes looking logs. There are noise especially on Z-axis that we are trying to find. This extra noise seems to cause around 90 degree yaws on a … --- ## [Drone crash](https://discuss.px4.io/t/drone-crash/30884)
**Author:** [@vineet\_Prajapati](https://discuss.px4.io/u/vineet_Prajapati)\ **Replies:** 2\ **Last updated:** [February 20, 2023, 8:24am UTC](https://discuss.px4.io/t/drone-crash/30884 "2023-02-20T08:24:32Z")
Hiii, i recently did a flight but it crashed, i tried to analyze the log file but unable to detect the problem, can anyone please help me in detecting the problem using this log data? Below is the drive link. \[log file\] … --- ## [Landing detector](https://discuss.px4.io/t/landing-detector/29557)
**Author:** [@Aman\_Chandak](https://discuss.px4.io/u/Aman_Chandak)\ **Replies:** 6\ **Last updated:** [November 3, 2022, 7:20am UTC](https://discuss.px4.io/t/landing-detector/29557 "2022-11-03T07:20:30Z")
Hi everyone, I was flying my Co-axial Octocopter and faced an altitude issue in which it drops height without any input signal. And when it lands it does not disarms immediately. I have checked its vehicle land detector…