Originally Posted by
galaxy flyer
How much maintenance experience do you have on Citations? I ask because you are wrong on several points. Freon A/C is used to augment cabin cooling and is off at cruise. All Citations use an Air Cycle Machine during cruise for cabin pressurization and temperature control. I have 2,500 hours flying them.
See pages 2-51- 2-57 here
http://www.corporatejetsolutions.com...g%20Manual.pdf
CJ3 does not have an ACM....