https://www.faa.gov/other_visit/aviation_industry/airline_operators/airline_safety/info/all_infos/media/2019/InFO19009.pdf
InFO19009
![](https://naviationjapan.com/wp-content/uploads/2019/02/IMG_3389.jpg)
https://www.faa.gov/other_visit/aviation_industry/airline_operators/airline_safety/info/all_infos/media/2019/InFO19009.pdf