I am not sure if this is a bug or a feature but i have recently updated from MP 1.3.81 to MP 1.3.83 running SITL for firmware Arduplane 4.5.5 due to some developmental reason i am required to only use 4.5.5. i have found that during some instances No ap_message for mavlink id (264) will appear but it does not appear when connected to 1.3.82 or 1.3.81. any help/comments/explanation will be well appchiated.
Its an AP issue which is triggered by some bad behavior in MavProxy used by SITL.
When Mission Planner request Video info (new gimbal/camera interface in 1.3.83), mavproxy adds a Flight_information message request which triggers the display of “No AP_message” from the AP.
The message is suppressed in 4.6.3 and 4.7-dev.
You can use sitl without mavproxy using the --no-mavproxy parameter (it will listen on TCP/5760).
Or use a CubeOrangePlus with SITL on HW
Or just ignore the message
Thanks for your reply. It looks like best for me to use 1.3.82 that way i can utilize the new ADSB data appearance as i need this feature (that’s the reason for upgrading from 1.3.81). Thanks again