# Custom pixhawk2 behavior when GPS lost

**URL:** <https://discuss.px4.io/t/custom-pixhawk2-behavior-when-gps-lost/17923>\
**Category:** Pixhawk\
**Created:** [July 30, 2020, 12:21pm UTC](https://discuss.px4.io/t/custom-pixhawk2-behavior-when-gps-lost/17923 "2020-07-30T12:21:04Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![vikutis](https://discuss.px4.io/letter_avatar_proxy/v4/letter/v/8c91f0/32.png) [@vikutis](https://discuss.px4.io/u/vikutis)\
**Post date:** [July 30, 2020, 12:21pm UTC](https://discuss.px4.io/t/custom-pixhawk2-behavior-when-gps-lost/17923/1 "2020-07-30T12:21:04Z")

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Hello,  
I have a plane with pixhawk 2. I use mission planner.  
How can I modify plane’s default behavior when GPS signal is lost? Should I implement some kind of custom functions on mission planner or it must be made with custom programming solution?  
I will be grateful for the help and advice