I did find this:
http://en.aviagen.com/assets/Tech_C...les/RossTechNote_HatchingAltitudes2013_EN.pdf
I think 7000 would work if you followed the guidelines.
No Dry hatching though!
http://en.aviagen.com/assets/Tech_C...les/RossTechNote_HatchingAltitudes2013_EN.pdf
I think 7000 would work if you followed the guidelines.
No Dry hatching though!